Release 4.59

[org-mode/org-tableheadings.git] / org

This is org, produced by makeinfo version 4.8 from org.texi.

INFO-DIR-SECTION Emacs
START-INFO-DIR-ENTRY
* Org Mode: (org).      outline-based notes management and organizer
END-INFO-DIR-ENTRY

   This manual is for Org-mode (version 4.59).

   Copyright (C) 2004, 2005, 2006 Free Software Foundation

     Permission is granted to copy, distribute and/or modify this
     document under the terms of the GNU Free Documentation License,
     Version 1.1 or any later version published by the Free Software
     Foundation; with no Invariant Sections, with the Front-Cover texts
     being "A GNU Manual," and with the Back-Cover Texts as in (a)
     below.  A copy of the license is included in the section entitled
     "GNU Free Documentation License."

     (a) The FSF's Back-Cover Text is: "You have freedom to copy and
     modify this GNU Manual, like GNU software.  Copies published by
     the Free Software Foundation raise funds for GNU development."

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File: org,  Node: Top,  Next: Introduction,  Prev: (dir),  Up: (dir)

Org Mode Manual
***************

This manual is for Org-mode (version 4.59).

   Copyright (C) 2004, 2005, 2006 Free Software Foundation

     Permission is granted to copy, distribute and/or modify this
     document under the terms of the GNU Free Documentation License,
     Version 1.1 or any later version published by the Free Software
     Foundation; with no Invariant Sections, with the Front-Cover texts
     being "A GNU Manual," and with the Back-Cover Texts as in (a)
     below.  A copy of the license is included in the section entitled
     "GNU Free Documentation License."

     (a) The FSF's Back-Cover Text is: "You have freedom to copy and
     modify this GNU Manual, like GNU software.  Copies published by
     the Free Software Foundation raise funds for GNU development."

* Menu:

* Introduction::                Getting started
* Document structure::          A tree works like your brain
* Tables::                      Pure magic for quick formatting
* Hyperlinks::                  Notes in context
* TODO items::                  Every tree branch can be a TODO item
* Timestamps::                  Assign date and time to items
* Tags::                        Tagging headlines and matching sets of tags
* Agenda views::                Collecting information into views
* Embedded LaTeX::              LaTeX fragments and formulas
* Exporting::                   Sharing and publishing of notes
* Publishing::                  Create a web site of linked Org-mode files
* Miscellaneous::               All the rest which did not fit elsewhere
* Extensions and Hacking::      It is possible to write add-on code
* History and Acknowledgments::  How Org-mode came into being
* Index::                       The fast road to specific information
* Key Index::                   Key bindings and where they are described

 --- The Detailed Node Listing ---

Introduction

* Summary::                     Brief summary of what Org-mode does
* Installation::                How to install a downloaded version of Org-mode
* Activation::                  How to activate Org-mode for certain buffers.
* Feedback::                    Bug reports, ideas, patches etc.

Document Structure

* Outlines::                    Org-mode is based on outline-mode
* Headlines::                   How to typeset org-tree headlines
* Visibility cycling::          Show and hide, much simplified
* Motion::                      Jumping to other headlines
* Structure editing::           Changing sequence and level of headlines
* Archiving::                   Move done task trees to a different place
* Sparse trees::                Matches embedded in context
* Plain lists::                 Additional structure within an entry

Archiving

* ARCHIVE tag::                 Marking a tree as inactive
* Moving subtrees::             Moving a tree to an archive file

Tables

* Built-in table editor::       Simple tables
* Narrow columns::              Stop wasting space in tables
* Table calculations::          Compute a field from other fields
* orgtbl-mode::                 The table editor as minor mode
* table.el::                    Complex tables

Calculations in tables

* Formula syntax::              How to write a formula
* Lisp formulas::               An alternative way to write formulas
* Column formulas::             Formulas valid for all fields in a column
* Advanced features::           Field names, parameters and automatic recalc
* Named-field formulas::        Formulas valid in single fields
* Editing/debugging formulas::  Changing a stored formula
* Appetizer::                   Taste the power of calc

Hyperlinks

* Link format::                 How links in Org-mode are formatted
* Internal links::              Links to other places in the current file
* External links::              URL-like links to the world
* Handling links::              Creating, inserting and following
* Link abbreviations::          Shortcuts for writing complex links
* Search options::              Linking to a specific location
* Custom searches::             When the default search is not enough
* Remember::                    Org-trees store quick notes

Internal links

* Radio targets::               Make targets trigger links in plain text.
* CamelCase links::             Activating CamelCase words as links

TODO items

* TODO basics::                 Marking and displaying TODO entries
* TODO extensions::             Workflow and assignments
* Priorities::                  Some things are more important than others
* Breaking down tasks::         Splitting a task into managable pieces
* Checkboxes::                  Tick-off lists

Extended use of TODO keywords

* Workflow states::             From TODO to DONE in steps
* TODO types::                  I do this, Fred the rest
* Per file keywords::           Different files, different requirements

Timestamps

* Time stamps::                 Assigning a time to a tree entry
* Creating timestamps::         Commands which insert timestamps
* Custom time format::          If you cannot work with the ISO format
* Progress logging::            Documenting when what work was done.

Creating timestamps

* The date/time prompt::        How org-mode helps you entering date and time

Progress Logging

* Closing items::               When was this entry marked DONE?
* Clocking work time::          When exactly did you work on this item?

Tags

* Tag inheritance::             Tags use the tree structure of the outline
* Setting tags::                How to assign tags to a headline
* Tag searches::                Searching for combinations of tags

Agenda Views

* Agenda files::                Files being searched for agenda information
* Agenda dispatcher::           Keyboard access to agenda views
* Built-in agenda views::       What is available out of the box?
* Presentation and sorting::    How agenda items are prepared for display
* Agenda commands::             Remote editing of org trees
* Custom agenda views::         Defining special searches and views

The built-in agenda views

* Weekly/Daily agenda::         The calendar page with current tasks
* Global TODO list::            All unfinished action items
* Matching headline tags::      Structured information with fine-tuned search
* Timeline::                    Time-sorted view for single file
* Stuck projects::              Find projects you need to review

Presentation and sorting

* Categories::                  Not all tasks are equal
* Time-of-day specifications::  How the agenda knows the time
* Sorting of agenda items::     The order of things

Custom agenda views

* Storing searches::            Type once, use often
* Block agenda::                All the stuff you need in a single buffer
* Setting Options::             Changing the rules
* Batch processing::            Agenda views from the command line

Embedded LaTeX

* Math symbols::                TeX macros for symbols and Greek letters
* Subscripts and Superscripts::  Simple syntax for raising/lowering text
* LaTeX fragments::             Complex formulas made easy
* Processing LaTeX fragments::  Previewing LaTeX processing
* CDLaTeX mode::                Speed up entering of formulas

Exporting

* ASCII export::                Exporting to plain ASCII
* HTML export::                 Exporting to HTML
* XOXO export::                 Exporting to XOXO
* iCalendar export::            Exporting in iCalendar format
* Text interpretation::         How the exporter looks at the file

Text interpretation by the exporter

* Comment lines::               Some lines will not be exported
* Enhancing text::              Subscripts, symbols and more
* Export options::              How to influence the export settings

Publishing

* Configuration::               Defining projects
* Sample configuration::        Example projects
* Triggering publication::      Publication commands

Configuration

* Project alist::               The central configuration variable
* Sources and destinations::    From here to there
* Selecting files::             What files are part of the project?
* Publishing action::           Setting the function doing the publishing
* Publishing options::          Tweaking HTML export
* Publishing links::            Which links keep working after publishing?
* Project page index::          Publishing a list of project files

Sample configuration

* Simple example::              One-component publishing
* Complex example::             A multi-component publishing example

Miscellaneous

* Completion::                  M-TAB knows what you need
* Customization::               Adapting Org-mode to your taste
* In-buffer settings::          Overview of the #+KEYWORDS
* The very busy C-c C-c key::   When in doubt, press C-c C-c
* Clean view::                  Getting rid of leading stars in the outline
* TTY keys::                    Using Org-mode on a tty
* Interaction::                 Other Emacs packages
* Bugs::                        Things which do not work perfectly

Interaction with other packages

* Cooperation::                 Packages Org-mode cooperates with
* Conflicts::                   Packages that lead to conflicts

Extensions, Hooks and Hacking

* Extensions::                  Existing 3rd-part extensions
* Dynamic blocks::              Automatically filled blocks
* Special agenda views::

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File: org,  Node: Introduction,  Next: Document structure,  Prev: Top,  Up: Top

1 Introduction
**************

* Menu:

* Summary::                     Brief summary of what Org-mode does
* Installation::                How to install a downloaded version of Org-mode
* Activation::                  How to activate Org-mode for certain buffers.
* Feedback::                    Bug reports, ideas, patches etc.

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File: org,  Node: Summary,  Next: Installation,  Prev: Introduction,  Up: Introduction

1.1 Summary
===========

Org-mode is a mode for keeping notes, maintaining ToDo lists, and doing
project planning with a fast and effective plain-text system.

   Org-mode develops organizational tasks around NOTES files that
contain lists or information about projects as plain text.  Org-mode is
implemented on top of outline-mode, which makes it possible to keep the
content of large files well structured.  Visibility cycling and
structure editing help to work with the tree.  Tables are easily created
with a built-in table editor.  Org-mode supports ToDo items, deadlines,
time stamps, and scheduling.  It dynamically compiles entries into an
agenda that utilizes and smoothly integrates much of the Emacs calendar
and diary.  Plain text URL-like links connect to websites, emails,
Usenet messages, BBDB entries, and any files related to the projects.
For printing and sharing of notes, an Org-mode file can be exported as a
structured ASCII file, as HTML, or (todo and agenda items only) as an
iCalendar file.  It can also serve as a publishing tool for a set of
linked webpages.

   An important design aspect that distinguishes Org-mode from for
example Planner/Muse is that it encougages to store every piece of
information only once.  In Planner, you have project pages, day pages
and possibly other files, duplicating some information such as tasks.
In Org-mode, you only have notes files.  In your notes you mark entries
as tasks, label them with tags and timestamps.  All necessary lists
like a schedule for the day, the agenda for a meeting, tasks lists
selected by tags etc are created dynamically when you need them.

   Org-mode keeps simple things simple.  When first fired up, it should
feel like a straightforward, easy to use outliner.  Complexity is not
imposed, but a large amount of functionality is available when you need
it.  Org-mode can be used on different levels and in different ways, for
example:

     * as an outline extension with visibility cycling and structure editing
     * as an ASCII system and table editor for taking structured notes
     * as an ASCII table editor with spreadsheet-like capabilities
     * as a TODO list editor
     * as a full agenda and planner with deadlines and work scheduling
     * as an environment to implement David Allen's GTD system
     * as a simple hypertext system, with HTML export
     * as a publishing tool to create a set of interlinked webpages

   Org-mode's automatic, context sensitive table editor can be
integrated into any major mode by activating the minor Orgtbl-mode.

   There is a website for Org-mode which provides links to the newest
version of Org-mode, as well as additional information, frequently asked
questions (FAQ), links to tutorials etc.  This page is located at
`http://www.astro.uva.nl/~dominik/Tools/org/'.

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File: org,  Node: Installation,  Next: Activation,  Prev: Summary,  Up: Introduction

1.2 Installation
================

Important: If Org-mode is part of the Emacs distribution or an XEmacs
package, please skip this section and go directly to *Note Activation::.

   If you have downloaded Org-mode from the Web, you must take the
following steps to install it: Go into the Org-mode distribution
directory and edit the top section of the file `Makefile'.  You must
set the name of the Emacs binary (likely either `emacs' or `xemacs'),
and the paths to the directories where local Lisp and Info files are
kept.  If you don't have access to the system-wide directories, create
your own two directories for these files, enter them into the Makefile,
and make sure Emacs finds the Lisp files by adding the following line
to `.emacs':

     (setq load-path (cons "~/path/to/lispdir" load-path))

   XEmacs users now need to install the file `noutline.el' from the
`xemacs' subdirectory of the Org-mode distribution.  Use the command:

     make install-noutline

Now byte-compile and install the Lisp files with the shell commands:

     make
     make install

If you want to install the info documentation, use this command:

     make install-info

Then add to `.emacs':

     ;; This line only if org-mode is not part of the X/Emacs distribution.
     (require 'org-install)

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File: org,  Node: Activation,  Next: Feedback,  Prev: Installation,  Up: Introduction

1.3 Activation
==============

Add the following lines to your `.emacs' file.  The last two lines
define _global_ keys for the commands `org-store-link' and `org-agenda'
- please choose suitable keys yourself.

     ;; The following lines are always needed.  Choose your own keys.
     (add-to-list 'auto-mode-alist '("\\.org$" . org-mode))
     (define-key global-map "\C-cl" 'org-store-link)
     (define-key global-map "\C-ca" 'org-agenda)

   Furthermore, you must activate `font-lock-mode' in org-mode buffers,
because significant functionality depends on font-locking being active.
You can do this with either one of the following two lines (XEmacs
user must use the second option):
     (global-font-lock-mode 1)                     ; for all buffers
     (add-hook 'org-mode-hook 'turn-on-font-lock)  ; org-mode buffers only

   With this setup, all files with extension `.org' will be put into
Org-mode.  As an alternative, make the first line of a file look like
this:

     MY PROJECTS    -*- mode: org; -*-

which will select Org-mode for this buffer no matter what the file's
name is.  See also the variable `org-insert-mode-line-in-empty-file'.

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File: org,  Node: Feedback,  Prev: Activation,  Up: Introduction

1.4 Feedback
============

If you find problems with Org-mode, or if you have questions, remarks,
or ideas about it, please contact the maintainer Carsten Dominik at
<dominik at science dot uva dot nl>.

   For bug reports, please provide as much information as possible,
including the version information of Emacs (`C-h v emacs-version
<RET>') and Org-mode (`C-h v org-version <RET>'), as well as the
Org-mode related setup in `.emacs'.  If an error occurs, a backtrace
can be very useful (see below on how to create one).  Often a small
example file helps, along with clear information about:

  1. What exactly did you do?

  2. What did you expect to happen?

  3. What happened instead?
        Thank you for helping to improve this mode.

How to create a useful backtrace
................................

If working with Org-mode produces an error with a message you don't
understand, you may have hit a bug.  The best way to report this is by
providing, in addition to what was mentioned above, a _Backtrace_.
This is information from the built-in debugger about where and how the
error occurred.  Here is how to produce a useful backtrace:

  1. Start a fresh Emacs or XEmacs, and make sure that it will load the
     original Lisp code in `org.el' instead of the compiled version in
     `org.elc'.  The backtrace contains much more information if it is
     produced with uncompiled code.  To do this, either rename `org.elc'
     to something else before starting Emacs, or ask Emacs explicitly
     to load `org.el' by using the command line
          emacs -l /path/to/org.el

  2. Go to the `Options' menu and select `Enter Debugger on Error'
     (XEmacs has this option in the `Troubleshooting' sub-menu).

  3. Do whatever you have to do to hit the error.  Don't forget to
     document the steps you take.

  4. When you hit the error, a `*Backtrace*' buffer will appear on the
     screen.  Save this buffer to a file (for example using `C-x C-w')
     and attach it to your bug report.

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File: org,  Node: Document structure,  Next: Tables,  Prev: Introduction,  Up: Top

2 Document Structure
********************

Org-mode is based on outline mode and provides flexible commands to
edit the structure of the document.

* Menu:

* Outlines::                    Org-mode is based on outline-mode
* Headlines::                   How to typeset org-tree headlines
* Visibility cycling::          Show and hide, much simplified
* Motion::                      Jumping to other headlines
* Structure editing::           Changing sequence and level of headlines
* Archiving::                   Move done task trees to a different place
* Sparse trees::                Matches embedded in context
* Plain lists::                 Additional structure within an entry

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File: org,  Node: Outlines,  Next: Headlines,  Prev: Document structure,  Up: Document structure

2.1 Outlines
============

Org-mode is implemented on top of outline-mode.  Outlines allow to
organize a document in a hierarchical structure, which (at least for
me) is the best representation of notes and thoughts.  Overview over
this structure is achieved by folding (hiding) large parts of the
document to show only the general document structure and the parts
currently being worked on.  Org-mode greatly simplifies the use of
outlines by compressing the entire show/hide functionality into a
single command `org-cycle', which is bound to the <TAB> key.

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File: org,  Node: Headlines,  Next: Visibility cycling,  Prev: Outlines,  Up: Document structure

2.2 Headlines
=============

Headlines define the structure of an outline tree.  The headlines in
Org-mode start with one or more stars, on the left margin.  For example:

     * Top level headline
     ** Second level
     *** 3rd level
         some text
     *** 3rd level
         more text
     * Another top level headline

Some people find the many stars too noisy and would prefer an outline
that has whitespace followed by a single star as headline starters.
*Note Clean view:: describes a setup to realize this.

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File: org,  Node: Visibility cycling,  Next: Motion,  Prev: Headlines,  Up: Document structure

2.3 Visibility cycling
======================

Outlines make it possible to hide parts of the text in the buffer.
Org-mode uses just two commands, bound to <TAB> and `S-<TAB>' to change
the visibility in the buffer.

`<TAB>'
     _Subtree cycling_: Rotate current subtree between the states

          ,-> FOLDED -> CHILDREN -> SUBTREE --.
          '-----------------------------------'

     The cursor must be on a headline for this to work(1).  When the
     cursor is at the beginning of the buffer and the first line is not
     a headline, then <TAB> actually runs global cycling (see
     below)(2).  Also when called with a prefix argument (`C-u <TAB>'),
     global cycling is invoked.

`S-<TAB>'
`C-u <TAB>'
     _Global cycling_: Rotate the entire buffer between the states

          ,-> OVERVIEW -> CONTENTS -> SHOW ALL --.
          '--------------------------------------'

     Note that inside tables, `S-<TAB>' jumps to the previous field.

`C-c C-a'
     Show all.  

`C-c C-r'
     Reveal context around point, showing the current entry, the
     following heading and the hierarchy above.  Useful for working
     near a location exposed by a sparse tree command (*note Sparse
     trees::) or an agenda command (*note Agenda commands::).  

`C-c C-x b'
     Show the current subtree in an indirect buffer(3).  With numerical
     prefix ARG, go up to this level and then take that tree.  If ARG
     is negative, go up that many levels.  With `C-u' prefix, do not
     remove the previously used indirect buffer.

   When Emacs first visits an Org-mode file, the global state is set to
OVERVIEW, i.e. only the top level headlines are visible.  This can be
configured through the variable `org-startup-folded', or on a per-file
basis by adding one of the following lines anywhere in the buffer:

     #+STARTUP: overview
     #+STARTUP: content
     #+STARTUP: showall

   ---------- Footnotes ----------

   (1) see, however, the option `org-cycle-emulate-tab'.

   (2) see the option `org-cycle-global-at-bob'.

   (3) The indirect buffer (*note Indirect Buffers: (emacs)Indirect
Buffers.) will contain the entire buffer, but will be narrowed to the
current tree.  Editing the indirect buffer will also change the
original buffer, but without affecting visibility in that buffer.

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File: org,  Node: Motion,  Next: Structure editing,  Prev: Visibility cycling,  Up: Document structure

2.4 Motion
==========

The following commands jump to other headlines in the buffer.

`C-c C-n'
     Next heading.  

`C-c C-p'
     Previous heading.  

`C-c C-f'
     Next heading same level.  

`C-c C-b'
     Previous heading same level.  

`C-c C-u'
     Backward to higher level heading.  

`C-c C-j'
     Jump to a different place without changing the current outline
     visibility.  Shows the document structure in a temporary buffer,
     where you can use visibility cycling (<TAB>) to find your
     destination.  After pressing <RET>, the cursor moves to the
     selected location in the original buffer, and the headings
     hierarchy above it is made visible.

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File: org,  Node: Structure editing,  Next: Archiving,  Prev: Motion,  Up: Document structure

2.5 Structure editing
=====================

`M-<RET>'
     Insert new heading with same level as current.  If the cursor is
     in a plain list item, a new item is created (*note Plain lists::).
     To force creation of a new headline, use a prefix arg, or first
     press <RET> to get to the beginning of the next line.  When this
     command is used in the middle of a line, the line is split and the
     rest of the line becomes the new headline.  If the command is used
     at the beginning of a headline, the new headline is created before
     the current line.  If at the beginning of any other line, the
     content of that line is made the new heading.  If the command is
     used at the end of a folded subtree (i.e. behind the ellipses at
     the end of a headline), then a headline like the current one will
     be inserted after the end of the subtree.  

`M-S-<RET>'
     Insert new TODO entry with same level as current heading.  

`M-<left>'
     Promote current heading by one level.  

`M-<right>'
     Demote current heading by one level.  

`M-S-<left>'
     Promote the current subtree by one level.  

`M-S-<right>'
     Demote the current subtree by one level.  

`M-S-<up>'
     Move subtree up (swap with previous subtree of same level).  

`M-S-<down>'
     Move subtree down (swap with next subtree of same level).  

`C-c C-x C-w'
`C-c C-x C-k'
     Kill subtree, i.e. remove it from buffer but save in kill ring.  

`C-c C-x M-w'
     Copy subtree to kill ring.  

`C-c C-x C-y'
     Yank subtree from kill ring.  This does modify the level of the
     subtree to make sure the tree fits in nicely at the yank position.
     The yank level can also be specified with a prefix arg, or by
     yanking after a headline marker like `****'.  

`C-c ^'
     Sort same-level entries.  When there is an active region, all
     entries in the region will be sorted.  Otherwise the children of
     the current headline are sorted.  The command prompts for the
     sorting method, which can be alphabetically, numerically, by time
     (using the first time stamp in each entry), and each of these in
     reverse order.  With a `C-u' prefix, sorting will be
     case-sensitive.  With two `C-u C-u' prefixes, duplicate entries
     will also be removed.

   When there is an active region (transient-mark-mode), promotion and
demotion work on all headlines in the region.  To select a region of
headlines, it is best to place both point and mark at the beginning of a
line, mark at the beginning of the first headline, and point at the line
just after the last headline to change.  Note that when the cursor is
inside a table (*note Tables::), the Meta-Cursor keys have different
functionality.

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File: org,  Node: Archiving,  Next: Sparse trees,  Prev: Structure editing,  Up: Document structure

2.6 Archiving
=============

When a project represented by a (sub)tree is finished, you may want to
move the tree out of the way and to stop it from contributing to the
agenda.  Org-mode knows two ways of archiving.  You can mark a tree with
the ARCHIVE tag, or you can move an entire (sub)tree to a different
location.

* Menu:

* ARCHIVE tag::                 Marking a tree as inactive
* Moving subtrees::             Moving a tree to an archive file

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File: org,  Node: ARCHIVE tag,  Next: Moving subtrees,  Prev: Archiving,  Up: Archiving

2.6.1 The ARCHIVE tag
---------------------

A headline that is marked with the ARCHIVE tag (*note Tags::) stays at
its location in the outline tree, but behaves in the following way:
   - It does not open when you attempt to do so with a visibility
     cycling command (*note Visibility cycling::).  You can force
     cycling archived subtrees with `C-<TAB>', or by setting the option
     `org-cycle-open-archived-trees'.  Also normal outline commands like
     `show-all' will open archived subtrees.

   - During sparse tree construction (*note Sparse trees::), matches in
     archived subtrees are not exposed, unless you configure the option
     `org-sparse-tree-open-archived-trees'.

   - During agenda view construction (*note Agenda views::), the
     content of archived trees is ignored unless you configure the
     option `org-agenda-skip-archived-trees'.

   - Archived trees are not exported (*note Exporting::), only the
     headline is.  Configure the details using the variable
     `org-export-with-archived-trees'.

   The following commands help managing the ARCHIVE tag:

`C-c C-x C-a'
     Toggle the ARCHIVE tag for the current headline.  When the tag is
     set, the headline changes to a shadowish face, and the subtree
     below it is hidden.  

`C-u C-c C-x C-a'
     Check if any direct children of the current headline should be
     archived.  To do this, each subtree is checked for open TODO
     entries.  If none are found, the command offers to set the ARCHIVE
     tag for the child.  If the cursor is _not_ on a headline when this
     command is invoked, the level 1 trees will be checked.  

`C-TAB'
     Cycle a tree even if it is tagged with ARCHIVE.

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File: org,  Node: Moving subtrees,  Prev: ARCHIVE tag,  Up: Archiving

2.6.2 Moving subtrees
---------------------

Once an entire project is finished, you may want to move it to a
different location, either in the current file, or even in a different
file, the archive file.

`C-c $'
     Archive the subtree starting at the cursor position to the location
     given by `org-archive-location'.  

`C-u C-c $'
     Check if any direct children of the current headline could be
     moved to the archive.  To do this, each subtree is checked for
     open TODO entries.  If none are found, the command offers to move
     it to the archive location.  If the cursor is _not_ on a headline
     when this command is invoked, the level 1 trees will be checked.

   The default archive location is a file in the same directory as the
current file, with the name derived by appending `_archive' to the
current file name.  For information and examples on how to change this,
see the documentation string of the variable `org-archive-location'.

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File: org,  Node: Sparse trees,  Next: Plain lists,  Prev: Archiving,  Up: Document structure

2.7 Sparse trees
================

An important feature of Org-mode is the ability to construct _sparse
trees_ for selected information in an outline tree.  A sparse tree
means that the entire document is folded as much as possible, but the
selected information is made visible along with the headline structure
above it(1).  Just try it out and you will see immediately how it works.

   Org-mode contains several commands creating such trees.  The most
basic one is `org-occur':

`C-c /'
     Occur.  Prompts for a regexp and shows a sparse tree with all
     matches.  If the match is in a headline, the headline is made
     visible.  If the match is in the body of an entry, headline and
     body are made visible.  In order to provide minimal context, also
     the full hierarchy of headlines above the match is shown, as well
     as the headline following the match.  Each match is also
     highlighted; the highlights disappear when the bufer is changes an
     editing command, or by pressing `C-c C-c'.  When called with a
     `C-u' prefix argument, previous highlights are kept, so several
     calls to this command can be stacked.
   For frequently used sparse trees of specific search strings, you can
use the variable `org-agenda-custom-commands' to define fast keyboard
access to specific sparse trees.  These commands will then be
accessible through the agenda dispatcher (*note Agenda dispatcher::).
For example:

     (setq org-agenda-custom-commands
           '(("f" occur-tree "FIXME")))

will define the key `C-c a f' as a shortcut for creating a sparse tree
matching the string `FIXME'.

   Other commands use sparse trees as well.  For example `C-c C-v'
creates a sparse TODO tree (*note TODO basics::).

   To print a sparse tree, you can use the Emacs command
`ps-print-buffer-with-faces' which does not print invisible parts of
the document (2).  Or you can use the command `C-c C-e v' to export
only the visible part of the document and print the resulting file.

   ---------- Footnotes ----------

   (1) See also the variables `org-show-hierarchy-above' and
`org-show-following-heading'.

   (2) This does not work under XEmacs, because XEmacs uses selective
display for outlining, not text properties.

\x1f
File: org,  Node: Plain lists,  Prev: Sparse trees,  Up: Document structure

2.8 Plain lists
===============

Within an entry of the outline tree, hand-formatted lists can provide
additional structure.  They also provide a way to create lists of
checkboxes (*note Checkboxes::).  Org-mode supports editing such lists,
and the HTML exporter (*note Exporting::) does parse and format them.

   Org-mode knows ordered and unordered lists.  Unordered list items
start with `-', `+', or `*'(1) as bullets.  Ordered list items start
with `1.' or `1)'.  Items belonging to the same list must have the same
indentation on the first line.  In particular, if an ordered list
reaches number `10.', then the 2-digit numbers must be written
left-aligned with the other numbers in the list.  Indentation also
determines the end of a list item.  It ends before the next line that
is indented like the bullet/number, or less.  For example:

     ** Lord of the Rings
        My favorite scenes are (in this order)
        1. The attack of the Rohirrim
        2. Eowyns fight with the witch king
           + this was already my favorite scene in the book
           + I really like Miranda Otto.
        3. Peter Jackson being shot by Legolas
            - on DVD only
           He makes a really funny face when it happens.
        But in the end, not individual scenes matter but the film as a whole.

   Org-mode supports these lists by tuning filling and wrapping
commands to deal with them correctly(2).

   The following commands act on items when the cursor is in the first
line of an item (the line with the bullet or number).

`<TAB>'
     Items can be folded just like headline levels if you set the
     variable `org-cycle-include-plain-lists'.  The level of an item is
     then given by the indentation of the bullet/number.  Items are
     always subordinate to real headlines, however; the hierarchies
     remain completely separated.  

`M-<RET>'
     Insert new item at current level.  With prefix arg, force a new
     heading (*note Structure editing::).  If this command is used in
     the middle of a line, the line is _split_ and the rest of the line
     becomes the new item.  If this command is executed in the
     _whitespace before a bullet or number_, the new item is created
     _before_ the current item.  If the command is executed in the
     white space before the text that is part of an item but does not
     contain the bullet, a bullet is added to the current line.  

`M-S-<RET>'
     Insert a new item with a checkbox (*note Checkboxes::).  

`S-<up>'
`S-<down>'
     Jump to the previous/next item in the current list.  

`M-S-<up>'
`M-S-<down>'
     Move the item including subitems up/down (swap with previous/next
     item of same indentation).  If the list is ordered, renumbering is
     automatic.  

`M-S-<left>'
`M-S-<right>'
     Decrease/increase the indentation of the item, including subitems.
     Initially, the item tree is selected based on current indentation.
     When these commands are executed several times in direct
     succession, the initially selected region is used, even if the new
     indentation would imply a different hierarchy.  To use the new
     hierarchy, break the command chain with a cursor motion or so.  

`C-c C-c'
     If there is a checkbox (*note Checkboxes::) in the item line,
     toggle the state of the checkbox.  Otherwise, if this is an
     ordered list, renumber the ordered list at the cursor.

   ---------- Footnotes ----------

   (1) When using `*' as a bullet, lines must be indented or they will
be seen as top-level headlines.  Also, when you are hiding leading
stars to get a clean outline view, plain list items starting with a
star are visually indistinguishable from true headlines.  In short:
even though `*' is supported, it may be better not to use it for plain
list items

   (2) Org-mode only changes the filling settings for Emacs.  For
XEmacs, you should use Kyle E. Jones' `filladapt.el'.  To turn this on,
put into `.emacs':
     (require 'filladapt)

\x1f
File: org,  Node: Tables,  Next: Hyperlinks,  Prev: Document structure,  Up: Top

3 Tables
********

Org-mode has a very fast and intuitive table editor built-in.
Spreadsheet-like calculations are supported in connection with the
Emacs `calc' package.

* Menu:

* Built-in table editor::       Simple tables
* Narrow columns::              Stop wasting space in tables
* Table calculations::          Compute a field from other fields
* orgtbl-mode::                 The table editor as minor mode
* table.el::                    Complex tables

\x1f
File: org,  Node: Built-in table editor,  Next: Narrow columns,  Prev: Tables,  Up: Tables

3.1 The built-in table editor
=============================

Org-mode makes it easy to format tables in plain ASCII.  Any line with
`|' as the first non-white character is considered part of a table.
`|' is also the column separator.  A table might look like this:

     | Name  | Phone | Age |
     |-------+-------+-----|
     | Peter |  1234 |  17 |
     | Anna  |  4321 |  25 |

   A table is re-aligned automatically each time you press <TAB> or
<RET> or `C-c C-c' inside the table.  <TAB> also moves to the next
field (<RET> to the next row) and creates new table rows at the end of
the table or before horizontal lines.  The indentation of the table is
set by the first line.  Any line starting with `|-' is considered as a
horizontal separator line and will be expanded on the next re-align to
span the whole table width.  So, to create the above table, you would
only type

     |Name|Phone|Age|
     |-

and then press <TAB> to align the table and start filling in fields.

   When typing text into a field, Org-mode treats <DEL>, <Backspace>,
and all character keys in a special way, so that inserting and deleting
avoids shifting other fields.  Also, when typing _immediately after the
cursor was moved into a new field with `<TAB>', `S-<TAB>' or `<RET>'_,
the field is automatically made blank.  If this behavior is too
unpredictable for you, configure the variables
`org-enable-table-editor' and `org-table-auto-blank-field'.

Creation and conversion
.......................

`C-c |'
     Convert the active region to table. If every line contains at
     least one TAB character, the function assumes that the material is
     tab separated.  If not, lines are split at whitespace into fields.
     You can use a prefix argument to indicate the minimum number of
     consecutive spaces required to identify a field separator
     (default: just one).
     If there is no active region, this command creates an empty
     Org-mode table.  But it's easier just to start typing, like
     `|Name|Phone|Age <RET> |- <TAB>'.

Re-aligning and field motion
............................

`C-c C-c'
     Re-align the table without moving the cursor.

`<TAB>'
     Re-align the table, move to the next field.  Creates a new row if
     necessary.

`S-<TAB>'
     Re-align, move to previous field.

`<RET>'
     Re-align the table and move down to next row.  Creates a new row if
     necessary.  At the beginning or end of a line, <RET> still does
     NEWLINE, so it can be used to split a table.

Column and row editing
......................

`M-<left>'
`M-<right>'
     Move the current column left/right.

`M-S-<left>'
     Kill the current column.

`M-S-<right>'
     Insert a new column to the left of the cursor position.

`M-<up>'
`M-<down>'
     Move the current row up/down.

`M-S-<up>'
     Kill the current row or horizontal line.

`M-S-<down>'
     Insert a new row above (with arg: below) the current row.

`C-c -'
     Insert a horizontal line below current row. With prefix arg, the
     line is created above the current line.

`C-c ^'
     Sort the table lines in the region.  The position of point
     indicates the column to be used for sorting, and the range of
     lines is the range between the nearest horizontal separator lines,
     or the entire table.  If point is before the first column, you
     will be prompted for the sorting column.  If there is an active
     region, the mark specifies the first line and the sorting column,
     while point should be in the last line to be included into the
     sorting.  The command prompts for the sorting type
     (alphabetically, numerically, or by time).  When called with a
     prefix argument, alphabetic sorting will be case-sensitive.

Regions
.......

`C-c C-x M-w'
     Copy a rectangular region from a table to a special clipboard.
     Point and mark determine edge fields of the rectangle.  The
     process ignores horizontal separator lines.  

`C-c C-x C-w'
     Copy a rectangular region from a table to a special clipboard, and
     blank all fields in the rectangle.  So this is the "cut" operation.  

`C-c C-x C-y'
     Paste a rectangular region into a table.  The upper right corner
     ends up in the current field.  All involved fields will be
     overwritten.  If the rectangle does not fit into the present table,
     the table is enlarged as needed.  The process ignores horizontal
     separator lines.  

`C-c C-q'
     Wrap several fields in a column like a paragraph.  If there is an
     active region, and both point and mark are in the same column, the
     text in the column is wrapped to minimum width for the given
     number of lines.  A prefix ARG may be used to change the number of
     desired lines.  If there is no region, the current field is split
     at the cursor position and the text fragment to the right of the
     cursor is prepended to the field one line down. If there is no
     region, but you specify a prefix ARG, the current field is made
     blank, and the content is appended to the field above.

Calculations
............

`C-c ='
     Install a new formula for the current column and replace current
     field with the result of the formula.

`C-u C-c ='
     Install a new formula for the current field, which must be a named
     field.  Evaluate the formula and replace the field content with the
     result.

`C-c ''
     Edit all formulas associated with the current table in a separate
     buffer.

`C-c *'
     Recalculate the current row by applying the stored formulas from
     left to right.  When called with a `C-u' prefix, recalculate the
     entire table, starting with the first non-header line (i.e. below
     the first horizontal separator line).  For details, see *Note
     Table calculations::.

`C-#'
     Rotate the calculation mark in first column through the states `',
     `#', `*', `!', `$'.  For the meaning of these marks see *Note
     Advanced features::.  When there is an active region, change all
     marks in the region.

`C-c ?'
     Which table column is the cursor in?  Displays number >0 in echo
     area.

`C-c +'
     Sum the numbers in the current column, or in the rectangle defined
     by the active region.  The result is shown in the echo area and can
     be inserted with `C-y'.

`S-<RET>'
     When current field is empty, copy from first non-empty field above.
     When not empty, copy current field down to next row and move cursor
     along with it.  Depending on the variable
     `org-table-copy-increment', integer field values will be
     incremented during copy.  This key is also used by CUA-mode (*note
     Cooperation::).

Miscellaneous
.............

`C-c `'
     Edit the current field in a separate window.  This is useful for
     fields that are not fully visible (*note Narrow columns::).  When
     called with a `C-u' prefix, just make the full field visible, so
     that it can be edited in place.

`C-c <TAB>'
     This is an alias for `C-u C-c `' to make the current field fully
     visible.

`M-x org-table-import'
     Import a file as a table.  The table should be TAB- or whitespace
     separated.  Useful, for example, to import an Excel table or data
     from a database, because these programs generally can write
     TAB-separated text files.  This command works by inserting the
     file into the buffer and then converting the region to a table.
     Any prefix argument is passed on to the converter, which uses it
     to determine the separator.

`M-x org-table-export'
     Export the table as a TAB-separated file.  Useful for data
     exchange with, for example, Excel or database programs.


   If you don't like the automatic table editor because it gets in your
way on lines which you would like to start with `|', you can turn it
off with

     (setq org-enable-table-editor nil)

Then the only table command that still works is `C-c C-c' to do a
manual re-align.

\x1f
File: org,  Node: Narrow columns,  Next: Table calculations,  Prev: Built-in table editor,  Up: Tables

3.2 Narrow columns
==================

The width of columns is automatically determined by the table editor.
Sometimes a single field or a few fields need to carry more text,
leading to inconveniently wide columns.  To limit(1) the width of a
column, one field anywhere in the column may contain just the string
`<N>' where `N' is an integer specifying the width of the column in
characters.  The next re-align will then set the width of this column
to no more than this value.

     |---+------------------------------|               |---+--------|
     |   |                              |               |   | <6>    |
     | 1 | one                          |               | 1 | one    |
     | 2 | two                          |     ----\     | 2 | two    |
     | 3 | This is a long chunk of text |     ----/     | 3 | This=> |
     | 4 | four                         |               | 4 | four   |
     |---+------------------------------|               |---+--------|

Fields that are wider become clipped and end in the string `=>'.  Note
that the full text is still in the buffer, it is only invisible.  To
see the full text, hold the mouse over the field - a tooltip window
will show the full content.  To edit such a field, use the command `C-c
`' (that is `C-c' followed by the backquote).  This will open a new
window with the full field.  Edit it and finish with `C-c C-c'.

   When visiting a file containing a table with narrowed columns, the
necessary character hiding has not yet happened, and the table needs to
be aligned before it looks nice.  Setting the option
`org-startup-align-all-tables' will realign all tables in a file upon
visiting, but also slow down startup.  You can also set this option on
a per-file basis with:

     #+STARTUP: align
     #+STARTUP: noalign

   ---------- Footnotes ----------

   (1) This feature does not work on XEmacs.

\x1f
File: org,  Node: Table calculations,  Next: orgtbl-mode,  Prev: Narrow columns,  Up: Tables

3.3 Calculations in tables
==========================

The table editor makes use of the Emacs `calc' package to implement
spreadsheet-like capabilities.  It can also evaluate Emacs Lisp forms to
derive fields from other fields.  Org-mode has two levels of complexity
for table calculations.  On the basic level, tables do only horizontal
computations, so a field can be computed from other fields _in the same
row_, and Org-mode assumes that there is only one formula for each
column.  This is very efficient to work with and enough for many tasks.
On the complex level, columns and individual fields can be named for
easier referencing in formulas, individual named fields can have their
own formula associated with them, and recalculation can be automated.

* Menu:

* Formula syntax::              How to write a formula
* Lisp formulas::               An alternative way to write formulas
* Column formulas::             Formulas valid for all fields in a column
* Advanced features::           Field names, parameters and automatic recalc
* Named-field formulas::        Formulas valid in single fields
* Editing/debugging formulas::  Changing a stored formula
* Appetizer::                   Taste the power of calc

\x1f
File: org,  Node: Formula syntax,  Next: Lisp formulas,  Prev: Table calculations,  Up: Table calculations

3.3.1 Formula syntax
--------------------

A formula can be any algebraic expression understood by the Emacs
`calc' package.  Note that `calc' has the slightly non-standard
convention that `/' has lower precedence than `*', so that `a/b*c' is
interpreted as `a/(b*c)'.  Before evaluation by `calc-eval' (*note
calc-eval: (calc)Calling Calc from Your Programs.), variable
substitution takes place:

       $        refers to the current field
       $3       refers to the field in column 3 of the current row
       $3..$7   a vector of the fields in columns 3-7 of current row
       $P1..$P3 vector of column range, using column names
       &2       second data field above the current, in same column
       &5-2     vector from fifth to second field above current
       &III-II  vector of fields between 2nd and 3rd hline above
       &III     vector of fields between third hline above and current field
       $name    a named field, parameter or constant

   The range vectors can be directly fed into the calc vector functions
like `vmean' and `vsum'.

   `$name' is interpreted as the name of a column, parameter or
constant.  Constants are defined globally through the variable
`org-table-formula-constants'.  If you have the `constants.el' package,
it will also be used to resolve constants, including natural constants
like `$h' for Planck's constant, and units like `$km' for kilometers.
Column names and parameters can be specified in special table lines.
These are described below, see *Note Advanced features::.

   A formula can contain an optional mode string after a semicolon.
This string consists of flags to influence calc's modes(1) during
execution, e.g.  `p20' to switch the internal precision to 20 digits,
`n3', `s3', `e2' or `f4' to switch to normal, scientific, engineering,
or fixed display format, respectively, and `D', `R', `F', and `S' to
turn on degrees, radians, fraction and symbolic modes, respectively.
In addition, you may provide a `printf' format specifier to reformat
the final result.  A few examples:

     $1+$2                Sum of first and second field
     $1+$2;%.2f           Same, format result to two decimals
     exp($2)+exp($1)      Math functions can be used
     $;%.1f               Reformat current cell to 1 decimal
     ($3-32)*5/9          Degrees F -> C conversion
     $c/$1/$cm            Hz -> cm conversion, using `constants.el'
     tan($1);Dp3s1        Compute in degrees, precision 3, display SCI 1
     sin($1);Dp3%.1e      Same, but use printf specifier for display
     vmean($2..$7)        Compute column range mean, using vector function
     vsum(&III)           Sum numbers from 3rd hline above, up to here
     taylor($3,x=7,2)     taylor series of $3, at x=7, second degree

   ---------- Footnotes ----------

   (1) By default, Org-mode uses the standard calc modes (precision 12,
angular units degrees, fraction and symbolic modes off).  The display
format, however, has been changed to `(float 5)' to keep tables compact.
The default settings can be configured using the variable
`org-calc-default-modes'.

\x1f
File: org,  Node: Lisp formulas,  Next: Column formulas,  Prev: Formula syntax,  Up: Table calculations

3.3.2 Emacs Lisp forms as formulas
----------------------------------

It is also possible to write a formula in Emacs lisp; this can be useful
for string manipulation and control structures.  If a formula starts
with a single quote followed by an opening parenthesis, then it is
evaluated as a lisp form.  The evaluation should return either a string
or a number.  Just as with `calc' formulas, you can provide a format
specifier after a semicolon.  A few examples:

     swap the first two characters of the content of column 1
     '(concat (substring "$1" 1 2) (substring "$1" 0 1) (substring "$1" 2))
     Add columns 1 and 2, equivalent to the calc's `$1+$2'
     '(+ $1 $2)

\x1f
File: org,  Node: Column formulas,  Next: Advanced features,  Prev: Lisp formulas,  Up: Table calculations

3.3.3 Column formulas
---------------------

To apply a formula to a field, type it directly into the field,
preceded by an equal sign, like `=$1+$2'.  When you press <TAB> or
<RET> or `C-c C-c' with the cursor still in the field, the formula will
be stored as the formula for the current column, evaluated and the
current field replaced with the result.  If the field contains only
`=', the previously stored formula for this column is used.

   For each column, Org-mode will remember the most recently used
formula.  The information is stored in a special line starting with
`#+TBLFM' directly below the table.  When adding/deleting/moving
columns with the appropriate commands, the stored equations will be
modified accordingly.  When a column used in a calculation is removed,
references to this column become invalid and will cause an error upon
applying the equation.

   Instead of typing an equation into the field, you may also use the
command `C-c ='.  It prompts for a formula (with default taken from the
`#+TBLFM:' line) and applies it to the current field.  A numerical
prefix (e.g. `C-5 C-c =') will apply it to that many consecutive fields
in the current column.

   To recompute all the fields in a line, use the command `C-c *'.  It
re-applies all stored equations to the current row, from left to right.
With a `C-u' prefix, this will be done to every line in the table, so
use this command it you want to make sure the entire table is
up-to-date. `C-u C-c C-c' is another way to update the entire table.
Global updating does not touch the line(s) above the first horizontal
separator line, assuming that this is the table header.

\x1f
File: org,  Node: Advanced features,  Next: Named-field formulas,  Prev: Column formulas,  Up: Table calculations

3.3.4 Advanced features
-----------------------

If you want the recalculation of fields to happen automatically, or if
you want to be able to assign a formula to an individual field (instead
of an entire column) you need to reserve the first column of the table
for special marking characters.  Here is an example of a table that
collects exam results of students and makes use of these features:

     |---+---------+--------+--------+--------+-------+------|
     |   | Student | Prob 1 | Prob 2 | Prob 3 | Total | Note |
     |---+---------+--------+--------+--------+-------+------|
     | ! |         |     P1 |     P2 |     P3 |   Tot |      |
     | # | Maximum |     10 |     15 |     25 |    50 | 10.0 |
     | ^ |         |     m1 |     m2 |     m3 |    mt |      |
     |---+---------+--------+--------+--------+-------+------|
     | # | Peter   |     10 |      8 |     23 |    41 |  8.2 |
     | # | Sara    |      6 |     14 |     19 |    39 |  7.8 |
     | # | Sam     |      2 |      4 |      3 |     9 |  1.8 |
     |---+---------+--------+--------+--------+-------+------|
     |   | Average |        |        |        |  29.7 |      |
     | ^ |         |        |        |        |    at |      |
     | $ | max=50  |        |        |        |       |      |
     |---+---------+--------+--------+--------+-------+------|
     #+TBLFM: $6=vsum($P1..$P3)::$7=10*$Tot/$max;%.1f::$at=vmean(&II);%.1f

Important: Please note that for these special tables, recalculating the
table with `C-u C-c *' will only affect rows that are marked `#' or
`*', and named fields.  The column formulas are not applied in rows
with empty first field.

   The marking characters have the following meaning:
`!'
     The fields in this line define names for the columns, so that you
     may refer to a column as `$Tot' instead of `$6'.

`^'
     This row defines names for the fields _above_ the row.  With such
     a definition, any formula in the table may use `$m1' to refer to
     the value `10'.  Also, named fields can have their own formula
     associated with them.

`_'
     Similar to `^', but defines names for the fields in the row
     _below_.

`$'
     Fields in this row can define _parameters_ for formulas.  For
     example, if a field in a `$' row contains `max=50', then formulas
     in this table can refer to the value 50 using `$max'.  Parameters
     work exactly like constants, only that they can be defined on a
     per-table basis.  Changing a parameter and then recalculating the
     table can be useful.

`#'
     Fields in this row are automatically recalculated when pressing
     <TAB> or <RET> or `S-<TAB>' in this row.  Also, this row is
     selected for a global recalculation with `C-u C-c *'.  Unmarked
     lines will be left alone by this command.

`*'
     Selects this line for global recalculation with `C-u C-c *', but
     not for automatic recalculation.  Use this when automatic
     recalculation slows down editing too much.

`'
     Unmarked lines are exempt from recalculation with `C-u C-c *'.
     All lines that should be recalculated should be marked with `#' or
     `*'.

\x1f
File: org,  Node: Named-field formulas,  Next: Editing/debugging formulas,  Prev: Advanced features,  Up: Table calculations

3.3.5 Named-field formulas
--------------------------

A named field can have its own formula associated with it.  In the
example above, this is used for the `at' field that contains the
average result of the students.  To enter a formula for a named field,
just type it into the buffer, preceded by `:='.  Or use `C-u C-c ='.
This equation will be stored below the table like `$name=...'.  Any
recalculation in the table (even if only requested for the current
line) will also update all named field formulas.

\x1f
File: org,  Node: Editing/debugging formulas,  Next: Appetizer,  Prev: Named-field formulas,  Up: Table calculations

3.3.6 Editing and debugging formulas
------------------------------------

To edit a column or field formula, use the commands `C-c =' and `C-u
C-c =', respectively.  The currently active expression is then
presented as default in the minibuffer, where it may be edited.

   Note that making a table field blank does not remove the formula
associated with the field - during the next recalculation the field
will be filled again.  To remove a formula from a field, you have to
give an empty reply when prompted for the formula, or to edit the
`#+TBLFM' line.

   You may edit the `#+TBLFM' directly and re-apply the changed
equations with `C-c C-c' in that line, or with the normal recalculation
commands in the table.

   In particular for large tables with many formulas, it is convenient
to use the command `C-c '' to edit the formulas of the current table in
a separate buffer.  That buffer will show the formulas one per line,
and you are free to edit, add and remove formulas.  Press `C-c ?' on a
`$...'  expression to get information about its interpretation.
Exiting the buffer with `C-c C-c' only stores the modified formulas
below the table.  Exiting with `C-u C-c C-c' also applies them to the
entire table.  `C-c C-q' exits without installing the changes.

   When the evaluation of a formula leads to an error, the field content
becomes the string `#ERROR'.  If you would like see what is going on
during variable substitution and calculation in order to find a bug,
turn on formula debugging in the menu and repeat the calculation, for
example by pressing `C-c = <RET>' in a field.  Detailed information
will be displayed.

\x1f
File: org,  Node: Appetizer,  Prev: Editing/debugging formulas,  Up: Table calculations

3.3.7 Appetizer
---------------

Finally, just to whet your appetite on what can be done with the
fantastic `calc' package, here is a table that computes the Taylor
series for a couple of functions (homework: try that with Excel :-)

     |---+-------------+---+-----+--------------------------------------|
     |   | Func        | n | x   | Result                               |
     |---+-------------+---+-----+--------------------------------------|
     | # | exp(x)      | 1 | x   | 1 + x                                |
     | # | exp(x)      | 2 | x   | 1 + x + x^2 / 2                      |
     | # | exp(x)      | 3 | x   | 1 + x + x^2 / 2 + x^3 / 6            |
     | # | x^2+sqrt(x) | 2 | x=0 | x*(0.5 / 0) + x^2 (2 - 0.25 / 0) / 2 |
     | # | x^2+sqrt(x) | 2 | x=1 | 2 + 2.5 x - 2.5 + 0.875 (x - 1)^2    |
     | * | tan(x)      | 3 | x   | 0.0175 x + 1.77e-6 x^3               |
     |---+-------------+---+-----+--------------------------------------|
     #+TBLFM: $5=taylor($2,$4,$3);n3

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File: org,  Node: orgtbl-mode,  Next: table.el,  Prev: Table calculations,  Up: Tables

3.4 The Orgtbl minor mode
=========================

If you like the intuitive way the Org-mode table editor works, you
might also want to use it in other modes like text-mode or mail-mode.
The minor mode Orgtbl-mode makes this possible.  You can always toggle
the mode with `M-x orgtbl-mode'.  To turn it on by default, for example
in mail mode, use

     (add-hook 'mail-mode-hook 'turn-on-orgtbl)

\x1f
File: org,  Node: table.el,  Prev: orgtbl-mode,  Up: Tables

3.5 The `table.el' package
==========================

Complex ASCII tables with automatic line wrapping, column- and
row-spanning, and alignment can be created using the Emacs table
package by Takaaki Ota (`http://sourceforge.net/projects/table', and
also part of Emacs 22).  When <TAB> or `C-c C-c' is pressed in such a
table, Org-mode will call `table-recognize-table' and move the cursor
into the table.  Inside a table, the keymap of Org-mode is inactive.
In order to execute Org-mode-related commands, leave the table.

`C-c C-c'
     Recognize `table.el' table.  Works when the cursor is in a
     table.el table.

`C-c ~'
     Insert a table.el table.  If there is already a table at point,
     this command converts it between the table.el format and the
     Org-mode format.  See the documentation string of the command
     `org-convert-table' for the restrictions under which this is
     possible.

\x1f
File: org,  Node: Hyperlinks,  Next: TODO items,  Prev: Tables,  Up: Top

4 Hyperlinks
************

Just like HTML, Org-mode provides links inside a file, and external
links to other files, Usenet articles, emails, and much more.

* Menu:

* Link format::                 How links in Org-mode are formatted
* Internal links::              Links to other places in the current file
* External links::              URL-like links to the world
* Handling links::              Creating, inserting and following
* Link abbreviations::          Shortcuts for writing complex links
* Search options::              Linking to a specific location
* Custom searches::             When the default search is not enough
* Remember::                    Org-trees store quick notes

\x1f
File: org,  Node: Link format,  Next: Internal links,  Prev: Hyperlinks,  Up: Hyperlinks

4.1 Link format
===============

Org-mode will recognize plain URL-like links and activate them as
clickable links.  The general link format, however, looks like this:

     [[link][description]]       or alternatively           [[link]]

   Once a link in the buffer is complete (all brackets present),
Org-mode will change the display so that `description' is displayed
instead of `[[link][description]]' and `link' is displayed instead of
`[[link]]'.  Links will be highlighted in the face `org-link', which by
default is an underlined face.  You can directly edit the visible part
of a link.  Note that this can be either the `link' part (if there is
no description) or the `description' part.  To edit also the invisible
`link' part, use `C-c C-l' with the cursor on the link.

   If you place the cursor at the beginning or just behind the end of
the displayed text and press <BACKSPACE>, you will remove the
(invisible) bracket at that location.  This makes the link incomplete
and the internals are again displayed as plain text.  Inserting the
missing bracket hides the link internals again.  To show the internal
structure of all links, use the menu entry `Org->Hyperlinks->Literal
links'.

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File: org,  Node: Internal links,  Next: External links,  Prev: Link format,  Up: Hyperlinks

4.2 Internal links
==================

If the link does not look like a URL, it is considered to be internal in
the current file.  Links such as `[[My Target]]' or `[[My Target][Find
my target]]' lead to a text search in the current file.  The link can
be followed with `C-c C-o' when the cursor is on the link, or with a
mouse click (*note Handling links::).  The preferred match for such a
link is a dedicated target: the same string in double angular brackets.
Targets may be located anywhere; often it is convenient to put them
into a comment line. For example

     # <<My Target>>

In HTML export (*note HTML export::), such targets will become named
anchors for direct access through `http' links(1).

   If no dedicated target exists, Org-mode will search for the words in
the link.  In the above example the search would be for `my target'.
Links starting with a star like `*My Target' restrict the search to
headlines.  When searching, Org-mode will first try an exact match, but
then move on to more and more lenient searches.  For example, the link
`[[*My Targets]]' will find any of the following:

     ** My targets
     ** TODO my targets are bright
     ** my 20 targets are

   To insert a link targeting a headline, in-buffer completion can be
used.  Just type a star followed by a few optional letters into the
buffer and press `M-<TAB>'.  All headlines in the current buffer will be
offered as completions.  *Note Handling links::, for more commands
creating links.

   Following a link pushes a mark onto Org-mode's own mark ring.  You
can return to the previous position with `C-c &'.  Using this command
several times in direct succession goes back to positions recorded
earlier.

* Menu:

* Radio targets::               Make targets trigger links in plain text.
* CamelCase links::             Activating CamelCase words as links

   ---------- Footnotes ----------

   (1) Note that text before the first headline will never be exported,
so the first such target must be after the first headline.

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File: org,  Node: Radio targets,  Next: CamelCase links,  Prev: Internal links,  Up: Internal links

4.2.1 Radio targets
-------------------

You can configure Org-mode to link any occurrences of certain target
names in normal text.  So without explicitly creating a link, the text
connects to the target radioing its position.  Radio targets are
enclosed by triple angular brackets.  For example, a target `<<<My
Target>>>' causes each occurrence of `my target' in normal text to
become activated as a link.  The Org-mode file is scanned automatically
for radio targets only when the file is first loaded into Emacs.  To
update the target list during editing, press `C-c C-c' with the cursor
on or at a target.

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File: org,  Node: CamelCase links,  Prev: Radio targets,  Up: Internal links

4.2.2 CamelCase words as links
------------------------------

Org-mode also supports CamelCase words as links.  This feature is not
turned on by default because of the inconsistencies this system suffers
from.  It is also possible that this feature will disappear entirely in
a future version of Org-mode.  To activate CamelCase words as links, you
need to customize the option `org-activate-links'.  A CamelCase word
then leads to a text search such that `CamelCaseLink' is equivalent to
`[[camel case link]]'.

\x1f
File: org,  Node: External links,  Next: Handling links,  Prev: Internal links,  Up: Hyperlinks

4.3 External links
==================

Org-mode supports links to files, websites, Usenet and email messages,
and BBDB database entries.  External links are URL-like locators.  They
start with a short identifying string followed by a colon.  There can be
no space after the colon.  The following list shows examples for each
link type.

     http://www.astro.uva.nl/~dominik          on the web
     file:/home/dominik/images/jupiter.jpg     file, absolute path
     file:papers/last.pdf                      file, relative path
     news:comp.emacs                           Usenet link
     mailto:adent@galaxy.net                   Mail link
     vm:folder                                 VM folder link
     vm:folder#id                              VM message link
     vm://myself@some.where.org/folder#id      VM on remote machine
     wl:folder                                 WANDERLUST folder link
     wl:folder#id                              WANDERLUST message link
     mhe:folder                                MH-E folder link
     mhe:folder#id                             MH-E message link
     rmail:folder                              RMAIL folder link
     rmail:folder#id                           RMAIL message link
     gnus:group                                GNUS group link
     gnus:group#id                             GNUS article link
     bbdb:Richard Stallman                     BBDB link
     shell:ls *.org                            A shell command
     elisp:(find-file-other-frame "Elisp.org") An elisp form to evaluate

   A link should be enclosed in double brackets and may contain a
descriptive text to be displayed instead of the url (*note Link
format::), for example:

     [[http://www.gnu.org/software/emacs/][GNU Emacs]]

   Org-mode also finds external links in the normal text and activates
them as links.  If spaces must be part of the link (for example in
`bbdb:Richard Stallman'), or you need to remove ambiguities about the
end of the link, enclose them in angular brackets.

\x1f
File: org,  Node: Handling links,  Next: Link abbreviations,  Prev: External links,  Up: Hyperlinks

4.4 Handling links
==================

Org-mode provides methods to create a link in the correct syntax, to
insert it into an org-mode file, and to follow the link.

`C-c l'
     Store a link to the current location.  This is a _global_ command
     which can be used in any buffer to create a link.  The link will be
     stored for later insertion into an Org-mode buffer (see below).
     For Org-mode files, if there is a `<<target>>' at the cursor, the
     link points to the target.  Otherwise it points to the current
     headline.  For VM, RMAIL, WANDERLUST, MH-E, GNUS and BBDB buffers,
     the link will indicate the current article/entry.  For W3 and W3M
     buffers, the link goes to the current URL.  For any other files,
     the link will point to the file, with a search string (*note
     Search options::) pointing to the contents of the current line.
     If there is an active region, the selected words will form the
     basis of the search string.  If the automatically created link is
     not working correctly or accurately enough, you can write custom
     functions to select the search string and to do the search for
     particular file types - see *Note Custom searches::.  The key
     binding `C-c l' is only a suggestion - see *Note Installation::.

`C-c C-l'
     Insert a link.  This prompts for a link to be inserted into the
     buffer.  You can just type a link, using text for an internal
     link, or one of the link type prefixes mentioned in the examples
     above.  Through completion, all links stored during the current
     session can be accessed(1).  The link will be inserted into the
     buffer, along with a descriptive text.  Note that you don't have
     to use this command to insert a link.  Links in Org-mode are plain
     text, and you can type or paste them straight into the buffer.  By
     using this command, the links are automatically enclosed in double
     brackets, and you will be asked for the optional descriptive text.
     If the link is a `file:' link and the linked file is located in
     the same directory as the current file or a subdirectory of it, the
     path of the file will be inserted relative to the current
     directory.

`C-u C-c C-l'
     When `C-c C-l' is called with a `C-u' prefix argument, a link to a
     file will be inserted and you may use file name completion to
     select the name of the file.  The path to the file is inserted
     relative to the directory of the current org file, if the linked
     file is in the current directory or in a subdirectory of it, or if
     the path is written relative to the current directory using `../'.
     Otherwise an absolute path is used, if possible with `~/' for
     your home directory.  You can force an absolute path with two
     `C-u' prefixes.

`C-c C-l with cursor on existing link'
     When the cursor is on an existing link, `C-c C-l' allows you to
     edit the link and description parts of the link.

`C-c C-o'
     Open link at point.  This will launch a web browser for URLs (using
     `browse-url-at-point'), run vm/mh-e/wanderlust/rmail/gnus/bbdb for
     the corresponding links, and execute the command in a shell link.
     When the cursor is on an internal link, this commands runs the
     corresponding search.  When the cursor is on a TAG list in a
     headline, it creates the corresponding TAGS view.  If the cursor
     is on a time stamp, it compiles the agenda for that date.
     Furthermore, it will visit text and remote files in `file:' links
     with Emacs and select a suitable application for local non-text
     files.  Classification of files is based on file extension only.
     See option `org-file-apps'.  If you want to override the default
     application and visit the file with Emacs, use a `C-u' prefix.

`mouse-2'
`mouse-1'
     On links, `mouse-2' will open the link just as `C-c C-o' would.
     Under Emacs 22, also `mouse-1' will follow a link.

`mouse-3'
     Like `mouse-2', but force file links to be opened with Emacs, and
     internal links to be displayed in another window(2).

`C-c %'
     Push the current position onto the mark ring, to be able to return
     easily. Commands following an internal link do this automatically.

`C-c &'
     Jump back to a recorded position.  A position is recorded by the
     commands following internal links, and by `C-c %'.  Using this
     command several times in direct succession moves through a ring of
     previously recorded positions.

   ---------- Footnotes ----------

   (1) After insertion of a stored link, the link will be removed from
the list of stored links.  To keep it in the list later use, use a
triple `C-u' prefix to `C-c C-l', or configure the option
`org-keep-stored-link-after-insertion'.

   (2) See the variable `org-display-internal-link-with-indirect-buffer'

\x1f
File: org,  Node: Link abbreviations,  Next: Search options,  Prev: Handling links,  Up: Hyperlinks

4.5 Link abbreviatons
=====================

Long URLs can be cumbersome to type, and often many similar links are
needed in a document.  For this you can use link abbreviations.  An
abbreviated link looks like this

     [[linkword::tag][description]]

where the tag is optional.  Such abbreviations are resolved according to
the information in the variable `org-link-abbrev-alist' that relates
the linkwords to replacement text.  Here is an example:

     (setq org-link-abbrev-alist
       '(("bugzilla" . "http://10.1.2.9/bugzilla/show_bug.cgi?id=")
         ("google"   . "http://www.google.com/search?q=")
         ("ads"      . "http://adsabs.harvard.edu/cgi-bin/
                        nph-abs_connect?author=%s&db_key=AST")))

   If the replacement text contains the string `%s', it will be
replaced with the tag.  Otherwise the tag will be appended to the string
in order to create the link.  You may also specify a function that will
be called with the tag as the only argument to create the link.

   With the above setting, you could link to a specific bug with
`[[bugzilla::129]]', search the web for OrgMode with
`[[google::OrgMode]]' and find out what the Org-mode author is doing
besides Emacs hacking with `[[ads::Dominik,C]]'.

   If you need special abbreviations just for a single Org-mode buffer,
you can define them in the file with

     #+LINK: bugzilla  http://10.1.2.9/bugzilla/show_bug.cgi?id=
     #+LINK: google    http://www.google.com/search?q=%s

In-buffer completion *note Completion:: can be used after `[' to
complete link abbreviations.

\x1f
File: org,  Node: Search options,  Next: Custom searches,  Prev: Link abbreviations,  Up: Hyperlinks

4.6 Search options in file links
================================

File links can contain additional information to make Emacs jump to a
particular location in the file when following a link.  This can be a
line number or a search option after a double(1) colon. For example,
when the command `C-c l' creates a link (*note Handling links::) to a
file, it encodes the words in the current line as a search string that
can be used to find this line back later when following the link with
`C-c C-o'.

   Here is the syntax of the different ways to attach a search to a file
link, together with an explanation:

     [[file:~/code/main.c::255]]
     [[file:~/xx.org::My Target]]
     [[file:~/xx.org::*My Target]]
     [[file:~/xx.org::/regexp/]]

`255'
     Jump to line 255.

`My Target'
     Search for a link target `<<My Target>>', or do a text search for
     `my target', similar to the search in internal links, see *Note
     Internal links::.  In HTML export (*note HTML export::), such a
     file link will become an HTML reference to the corresponding named
     anchor in the linked file.

`*My Target'
     In an Org-mode file, restrict search to headlines.

`/regexp/'
     Do a regular expression search for `regexp'.  This uses the Emacs
     command `occur' to list all matches in a separate window.  If the
     target file is in Org-mode, `org-occur' is used to create a sparse
     tree with the matches.

   As a degenerate case, a file link with an empty file name can be used
to search the current file.  For example, `[[file:::find me]]' does a
search for `find me' in the current file, just as `[[find me]]' would.

   ---------- Footnotes ----------

   (1) For backward compatibility, line numbers can also follow a
single colon.

\x1f
File: org,  Node: Custom searches,  Next: Remember,  Prev: Search options,  Up: Hyperlinks

4.7 Custom Searches
===================

The default mechanism for creating search strings and for doing the
actual search related to a file link may not work correctly in all
cases.  For example, BibTeX database files have many entries like
`year="1993"' which would not result in good search strings, because
the only unique identification for a BibTeX entry is the citation key.

   If you come across such a problem, you can write custom functions to
set the right search string for a particular file type, and to do the
search for the string in the file.  Using `add-hook', these functions
need to be added to the hook variables
`org-create-file-search-functions' and
`org-execute-file-search-functions'.  See the docstring for these
variables for more information.  Org-mode actually uses this mechanism
for BibTeX database files, and you can use the corresponding code as an
implementation example.  Search for `BibTeX links' in the source file.

\x1f
File: org,  Node: Remember,  Prev: Custom searches,  Up: Hyperlinks

4.8 Remember
============

Another way to create org entries with links to other files is through
the _Remember_ package by John Wiegley.  _Remember_ lets you store
quick notes with little interruption of your work flow.  See
`http://www.emacswiki.org/cgi-bin/wiki/RememberMode' for more
information.  The notes produced by _Remember_ can be stored in
different ways, and Org-mode files are a good target.  Org-mode allows
you to file away notes either to a default file, or directly to the
correct location in your Org-mode outline tree.  The following
customization will tell _Remember_ to use org files as target, and to
create annotations compatible with Org-mode links.

     (setq org-directory "~/path/to/my/orgfiles/")
     (setq org-default-notes-file "~/.notes")
     (setq remember-annotation-functions '(org-remember-annotation))
     (setq remember-handler-functions '(org-remember-handler))
     (add-hook 'remember-mode-hook 'org-remember-apply-template)

   In combination with Org-mode, you can use templates to generate
different types of remember notes.  For example, if you would like to
use one template to create general TODO entries, and another one for
journal entries, you could use:

     (setq org-remember-templates
           '((?t "* TODO %?\n  %i\n  %a" "~/org/TODO.org")
             (?j "* %U %?\n\n  %i\n  %a" "~/org/JOURNAL.org")))

In these entries, the character specifies how to select the template,
the first string specifies the template, and the (optional) second
string specifies a default file (overruling `org-default-notes-file')
as a target for this note.

   When you call `M-x remember' to remember something, org will prompt
for a key to select the template and then prepare the buffer like
     * TODO
       [[file:link to where you called remember]]

or

     * [2006-03-21 Tue 15:37]

       [[file:link to where you called remember]]

See the variable `org-remember-templates' for more details.

   When you are finished composing a note with remember, you have to
press `C-c C-c' to file the note away.  The handler first prompts for a
target file - if you press <RET>, the value of `org-default-notes-file'
is used.  Then the command offers the headings tree of the selected
file.  You can either immediately press <RET> to get the note appended
to the file.  Or you can use vertical cursor motion (<up> and <down>)
and visibility cycling (<TAB>) to find a better place.  Pressing <RET>
or <left> or <right> leads to the following result.

Cursor         Key     Note gets inserted
position               
buffer-start   <RET>   as level 2 heading at end of file
on headline    <RET>   as sublevel of the heading at cursor
               <left>  as same level, before current heading
               <right> as same level, after current heading
not on         <RET>   at cursor position, level taken from context.
headline                      Or use prefix arg to specify level
                       manually.

   So a fast way to store the note is to press `C-c C-c <RET> <RET>' to
append it to the default file.  Even shorter would be `C-u C-c C-c',
which does the same without even showing the tree.  But with little
extra effort, you can push it directly to the correct location.

   Before inserting the text into a tree, the function ensures that the
text has a headline, i.e. a first line that starts with a `*'.  If not,
a headline is constructed from the current date and some additional
data.  If the variable `org-adapt-indentation' is non-nil, the entire
text is also indented so that it starts in the same column as the
headline (after the asterisks).

\x1f
File: org,  Node: TODO items,  Next: Timestamps,  Prev: Hyperlinks,  Up: Top

5 TODO items
************

Org-mode does not maintain TODO lists as a separate document.  TODO
items are an integral part of the notes file, because TODO items
usually come up while taking notes!  With Org-mode, you simply mark any
entry in a tree as being a TODO item.  In this way, the information is
not duplicated, and the entire context from which the item emerged is
always present when you check.

   Of course, this technique causes TODO items to be scattered
throughout your file.  Org-mode provides methods to give you an
overview over all things you have to do.

* Menu:

* TODO basics::                 Marking and displaying TODO entries
* TODO extensions::             Workflow and assignments
* Priorities::                  Some things are more important than others
* Breaking down tasks::         Splitting a task into managable pieces
* Checkboxes::                  Tick-off lists

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File: org,  Node: TODO basics,  Next: TODO extensions,  Prev: TODO items,  Up: TODO items

5.1 Basic TODO functionality
============================

Any headline can become a TODO item by starting it with the word TODO,
for example:

     *** TODO Write letter to Sam Fortune

The most important commands to work with TODO entries are:

`C-c C-t'
     Rotate the TODO state of the current item between

          ,-> (unmarked) -> TODO -> DONE --.
          '--------------------------------'

     The same rotation can also be done "remotely" from the timeline and
     agenda buffers with the `t' command key (*note Agenda commands::).  

`S-<right>'
`S-<left>'
     Select the following/preceding TODO state, similar to cycling.
     Mostly useful if more than two TODO states are possible (*note
     TODO extensions::).  

`C-c C-v'
     View TODO items in a _sparse tree_ (*note Sparse trees::).  Folds
     the entire buffer, but shows all TODO items and the headings
     hierarchy above them.  With prefix arg, show also the DONE
     entries.  With numerical prefix N, show the tree for the Nth
     keyword in the variable `org-todo-keywords'.  

`C-c a t'
     Show the global TODO list.  This collects the TODO items from all
     agenda files (*note Agenda views::) into a single buffer.  The
     buffer is in `agenda-mode', so there are commands to examine and
     manipulate the TODO entries directly from that buffer (*note
     Agenda commands::).  *Note Global TODO list::, for more
     information.

\x1f
File: org,  Node: TODO extensions,  Next: Priorities,  Prev: TODO basics,  Up: TODO items

5.2 Extended use of TODO keywords
=================================

The default implementation of TODO entries is just two states: TODO and
DONE.  You can, however, use the TODO feature for more complicated
things by configuring the variables `org-todo-keywords' and
`org-todo-interpretation'.  Using special setup, you can even use TODO
keywords in different ways in different org files.

   Note that tags are another way to classify headlines in general and
TODO items in particular (*note Tags::).

* Menu:

* Workflow states::             From TODO to DONE in steps
* TODO types::                  I do this, Fred the rest
* Per file keywords::           Different files, different requirements

\x1f
File: org,  Node: Workflow states,  Next: TODO types,  Prev: TODO extensions,  Up: TODO extensions

5.2.1 TODO keywords as workflow states
--------------------------------------

You can use TODO keywords to indicate different states in the process
of working on an item, for example:

     (setq org-todo-keywords '("TODO" "FEEDBACK" "VERIFY" "DONE")
           org-todo-interpretation 'sequence)

   Changing these variables only becomes effective in a new Emacs
session.  With this setup, the command `C-c C-t' will cycle an entry
from TODO to FEEDBACK, then to VERIFY, and finally to DONE.  You may
also use a prefix argument to quickly select a specific state.  For
example `C-3 C-c C-t' will change the state immediately to VERIFY.  If
you define many keywords, you can use in-buffer completion (see *Note
Completion::) to insert these words into the buffer.

\x1f
File: org,  Node: TODO types,  Next: Per file keywords,  Prev: Workflow states,  Up: TODO extensions

5.2.2 TODO keywords as types
----------------------------

The second possibility is to use TODO keywords to indicate different
types of action items.  For example, you might want to indicate that
items are for "work" or "home".  If you are into David Allen's _Getting
Things DONE_, you might want to use todo types `NEXTACTION', `WAITING',
`MAYBE'.  Or, when you work with several people on a single project,
you might want to assign action items directly to persons, by using
their names as TODO keywords.  This would be set up like this:

     (setq org-todo-keywords '("Fred" "Sara" "Lucy" "Mike" "DONE")
           org-todo-interpretation 'type)

   In this case, different keywords do not indicate a sequence, but
rather different types.  So it is normally not useful to change from
one type to another.  Therefore, in this case the behavior of the
command `C-c C-t' is changed slightly(1).  When used several times in
succession, it will still cycle through all names.  But when you return
to the item after some time and execute `C-c C-t' again, it will switch
from each name directly to DONE.  Use prefix arguments or completion to
quickly select a specific name.  You can also review the items of a
specific TODO type in a sparse tree by using a numeric prefix to `C-c
C-v'.  For example, to see all things Lucy has to do, you would use
`C-3 C-c C-v'.  To collect Lucy's items from all agenda files into a
single buffer, you would use the prefix arg as well when creating the
global todo list: `C-3 C-c t'.

   ---------- Footnotes ----------

   (1) This is also true for the `t' command in the timeline and agenda
buffers.

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File: org,  Node: Per file keywords,  Prev: TODO types,  Up: TODO extensions

5.2.3 Setting up TODO keywords for individual files
---------------------------------------------------

It can be very useful to use different aspects of the TODO mechanism in
different files, which is not possible with the global settings
described above.  For file-local settings, you need to add special
lines to the file which set the keywords and interpretation for that
file only.  For example, to set one of the two examples discussed
above, you need one of the following lines, starting in column zero
anywhere in the file:

     #+SEQ_TODO: TODO FEEDBACK VERIFY DONE
     #+TYP_TODO: Fred Sara Lucy Mike DONE

To make sure you are using the correct keyword, type `#+' into the
buffer and then use `M-<TAB>' completion.

   Remember that the last keyword must always mean that the item is DONE
(although you may use a different word).  Also note that in each file,
only one of the two aspects of TODO keywords can be used.  After
changing one of these lines, use `C-c C-c' with the cursor still in the
line to make the changes known to Org-mode(1).

   If you want to use very many keywords, for example when working with
a large group of people, you may split the names over several lines:

     #+TYP_TODO: Fred Sara Lucy Mike
     #+TYP_TODO: Luis George Jules Jessica
     #+TYP_TODO: Kim Arnold Peter
     #+TYP_TODO: DONE

   ---------- Footnotes ----------

   (1) Org-mode parses these lines only when Org-mode is activated
after visiting a file.  `C-c C-c' with the cursor in a line starting
with `#+' is simply restarting Org-mode for the current buffer.

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File: org,  Node: Priorities,  Next: Breaking down tasks,  Prev: TODO extensions,  Up: TODO items

5.3 Priorities
==============

If you use Org-mode extensively to organize your work, you may end up
with a number of TODO entries so large that you'd like to prioritize
them.  This can be done by placing a _priority cookie_ into the
headline, like this

     *** TODO [#A] Write letter to Sam Fortune

With its standard setup, Org-mode supports priorities `A', `B', and
`C'.  `A' is the highest priority.  An entry without a cookie is
treated as priority `B'.  Priorities make a difference only in the
agenda (*note Weekly/Daily agenda::).

`C-c ,'
     Set the priority of the current headline.  The command prompts for
     a priority character `A', `B' or `C'.  When you press <SPC>
     instead, the priority cookie is removed from the headline.  The
     priorities can also be changed "remotely" from the timeline and
     agenda buffer with the `,' command (*note Agenda commands::).

`S-<up>'
`S-<down>'
     Increase/decrease priority of current headline.  Note that these
     keys are also used to modify time stamps (*note Creating
     timestamps::).  Furthermore, these keys are also used by CUA-mode
     (*note Conflicts::).

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File: org,  Node: Breaking down tasks,  Next: Checkboxes,  Prev: Priorities,  Up: TODO items

5.4 Breaking tasks down into subtasks
=====================================

It is often advisable to break down large tasks into smaller, managable
subtasks.  You can do this by creating an outline tree below a TODO
item, with detailed subtasks on the tree(1).  Another possibility is
the use of checkboxes to identify (a hierarchy of) a large number of
subtasks (*note Checkboxes::).

   ---------- Footnotes ----------

   (1) To keep subtasks out of the global TODO list, see the
`org-agenda-todo-list-sublevels'.

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File: org,  Node: Checkboxes,  Prev: Breaking down tasks,  Up: TODO items

5.5 Checkboxes
==============

Every item in a plain list (*note Plain lists::) can be made a checkbox
by starting it with the string `[ ]'.  This feature is similar to TODO
items (*note TODO items::), but more lightweight.  Checkboxes are not
included into the global TODO list, so they are often great to split a
task into a number of simple steps.  Or you can use them in a shopping
list.  To toggle a checkbox, use `C-c C-c', or try Piotr Zielinski's
`org-mouse.el'.  Here is an example of a checkbox list.

     * TODO Organize party [3/6]
       - call people [1/3]
         - [ ] Peter
         - [X] Sarah
         - [ ] Sam
       - [X] order food
       - [ ] think about what music to play
       - [X] talk to the neighbors

   The `[3/6]' and `[1/3]' in the first and second line are cookies
indicating how many checkboxes are present in this entry, and how many
of them have been checked off.  This can give you an idea on how many
checkboxes remain, even without opening a folded entry.  The cookies
can be placed into a headline or into (the first line of) a plain list
item. Each cookie covers all checkboxes structurally below that
headline/item.  You have to insert the cookie yourself by typing either
`[/]' or `[%]'.  In the first case you get an `n out of m' result, in
the second case you get information about the percentage of checkboxes
checked (in the above example, this would be `[50%]' and `[33%],
respectively').

The following commands work with checkboxes:

`C-c C-c'
     Toggle checkbox at point.  

`C-c C-x C-b'
     Toggle checkbox at point.
        - If there is an active region, toggle the first checkbox in
          the region and set all remaining boxes to the same status as
          the first.  If you want to toggle all boxes in the region
          independently, use a prefix argument.

        - If the cursor is in a headline, toggle checkboxes in the
          region between this headline and the next (so _not_ the
          entire subtree).

        - If there is no active region, just toggle the checkbox at
          point.
     
`M-S-<RET>'
     Insert a new item with a checkbox.  This works only if the cursor
     is already in a plain list item (*note Plain lists::).  

`C-c #'
     Update the checkbox statistics in the current outline entry.  When
     called with a `C-u' prefix, update the entire file.  Checkbox
     statistic cookies are updated automatically if you toggle
     checkboxes with `C-c C-c' and make new ones with `M-S-<RET>'.  If
     you delete boxes or add/change them by hand, use this command to
     get things back into synch.  Or simply toggle any checkbox twice
     with `C-c C-c'.

\x1f
File: org,  Node: Timestamps,  Next: Tags,  Prev: TODO items,  Up: Top

6 Timestamps
************

Items can be labeled with timestamps to make them useful for project
planning.

* Menu:

* Time stamps::                 Assigning a time to a tree entry
* Creating timestamps::         Commands which insert timestamps
* Custom time format::          If you cannot work with the ISO format
* Progress logging::            Documenting when what work was done.

\x1f
File: org,  Node: Time stamps,  Next: Creating timestamps,  Prev: Timestamps,  Up: Timestamps

6.1 Time stamps, deadlines and scheduling
=========================================

A time stamp is a specification of a date (possibly with time) in a
special format, either `<2003-09-16 Tue>' or `<2003-09-16 Tue
09:39>'(1).  A time stamp can appear anywhere in the headline or body
of an org-tree entry.  Its presence allows entries to be shown on
specific dates in the agenda (*note Weekly/Daily agenda::).  We
distinguish:

PLAIN TIME STAMP
     A simple time stamp just assigns a date/time to an item.  This is
     just like writing down an appointment in a paper agenda, or like
     writing down an event in a diary, when you want to take note of
     when something happened.  In the timeline and agenda displays, the
     headline of an entry associated with a plain time stamp will be
     shown exactly on that date.

          * Meet Peter at the movies <2006-11-01 Wed 19:15>

INACTIVE TIME STAMP
     Just like a plain time stamp, but with square brackets instead of
     angular ones.  These time stamps are inactive in the sense that
     they do _not_ trigger an entry to show up in the agenda.

          * Gillian comes late for the fifth time [2006-11-01 Wed]

TIME STAMP RANGE
     Two time stamps connected by `--' denote a time range.  The
     headline will be shown on the first and last day of the range, and
     on any dates that are displayed and fall in the range.  Here is an
     example:

          ** Meeting in Amsterdam
             <2004-08-23 Mon>--<2004-08-26 Thu>

TIME STAMP WITH SCHEDULED KEYWORD
     If a time stamp is preceded by the word `SCHEDULED:', it means you
     are planning to start working on that task on the given date. So
     this is not about recording an event, but about planning your
     work.  The headline will be listed under the given date(2).  In
     addition, a reminder that the scheduled date has passed will be
     present in the compilation for _today_, until the entry is marked
     DONE.  I.e., the task will automatically be forwarded until
     completed.

          *** TODO Call Trillian for a date on New Years Eve.
              SCHEDULED: <2004-12-25 Sat>

TIME STAMP WITH DEADLINE KEYWORD
     If a time stamp is preceded by the word `DEADLINE:', the task
     (most likely a TODO item) is supposed to be finished on that date,
     and it will be listed then.  In addition, the compilation for
     _today_ will carry a warning about the approaching or missed
     deadline, starting `org-deadline-warning-days' before the due
     date, and continuing until the entry is marked DONE.  An example:

          *** TODO write article about the Earth for the Guide
              The editor in charge is [[bbdb:Ford Prefect]]
              DEADLINE: <2004-02-29 Sun>

TIME STAMP WITH CLOSED KEYWORD
     When `org-log-done' is non-nil, Org-mode will automatically insert
     a special time stamp each time a TODO entry is marked done (*note
     Progress logging::).  This time stamp is enclosed in square
     brackets instead of angular brackets.

TIME RANGE WITH CLOCK KEYWORD
     When using the clock to time the work that is being done on
     specific items, time ranges preceded by the CLOCK keyword are
     inserted automatically into the file.  The time stamps are
     enclosed in square brackets instead of angular brackets.  *Note
     Clocking work time::.

   ---------- Footnotes ----------

   (1) This is the standard ISO date/time format.  If you cannot get
used to these, see *Note Custom time format::

   (2) It will still be listed on that date after it has been marked
DONE.  If you don't like this, set the variable
`org-agenda-skip-scheduled-if-done'.

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File: org,  Node: Creating timestamps,  Next: Custom time format,  Prev: Time stamps,  Up: Timestamps

6.2 Creating timestamps
=======================

For Org-mode to recognize time stamps, they need to be in the specific
format.  All commands listed below produce time stamps in the correct
format.

`C-c .'
     Prompt for a date and insert a corresponding time stamp.  When the
     cursor is at a previously used time stamp, it is updated to NOW.
     When this command is used twice in succession, a time range is
     inserted.

`C-u C-c .'
     Like `C-c .', but use the alternative format which contains date
     and time.  The default time can be rounded to multiples of 5
     minutes, see the option `org-time-stamp-rounding-minutes'.

`C-c !'
     Like `C-c .', but insert an inactive time stamp not triggering the
     agenda.

`C-c <'
     Insert a time stamp corresponding to the cursor date in the
     Calendar.

`C-c >'
     Access the Emacs calendar for the current date.  If there is a
     timestamp in the current line, goto the corresponding date instead.

`C-c C-o'
     Access the agenda for the date given by the time stamp or -range at
     point (*note Weekly/Daily agenda::).

`C-c C-d'
     Insert `DEADLINE' keyword along with a stamp.  The insertion will
     happen in the line directly following the headline.

`C-c C-w'
     Create a sparse tree with all deadlines that are either past-due,
     or which will become due within `org-deadline-warning-days'.  With
     `C-u' prefix, show all deadlines in the file.  With a numeric
     prefix, check that many days.  For example, `C-1 C-c C-w' shows
     all deadlines due tomorrow.

`C-c C-s'
     Insert `SCHEDULED' keyword along with a stamp.  The insertion will
     happen in the line directly following the headline.  Any CLOSED
     timestamp will be removed.

`S-<left>'
`S-<right>'
     Change date at cursor by one day.  These key bindings conflict with
     CUA-mode (*note Conflicts::).

`S-<up>'
`S-<down>'
     Change the item under the cursor in a timestamp.  The cursor can
     be on a year, month, day, hour or minute.  Note that if the cursor
     is in a headline and not at a time stamp, these same keys modify
     the priority of an item.  (*note Priorities::). The key bindings
     also conflict with CUA-mode (*note Conflicts::).

`C-c C-y'
     Evaluate a time range by computing the difference between start and
     end.  With prefix arg, insert result after the time range (in a
     table: into the following column).

* Menu:

* The date/time prompt::        How org-mode helps you entering date and time

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File: org,  Node: The date/time prompt,  Prev: Creating timestamps,  Up: Creating timestamps

6.2.1 The date/time prompt
--------------------------

When Org-mode prompts for a date/time, the prompt suggests to enter an
ISO date.  But it will in fact accept any string containing some date
and/or time information.  You can, for example, use `C-y' to paste a
(possibly multi-line) string copied from an email message.  Org-mode
will find whatever information is in there and will replace anything not
specified with the current date and time.  For example:

       3-2-5         --> 2003-02-05
       feb 15        --> currentyear-02-15
       sep 12 9      --> 2009-09-12
       12:45         --> today 12:45
       22 sept 0:34  --> currentyear-09-22 0:34
       12            --> currentyear-currentmonth-12
       Fri           --> nearest Friday (today or later)
       +4            --> 4 days from now (if +N is the only thing given)

   The function understands English month and weekday abbreviations.  If
you want to use unabbreviated names and/or other languages, configure
the variables `parse-time-months' and `parse-time-weekdays'.

   Parallel to the minibuffer prompt, a calendar is popped up(1).  You
can control the calendar fully from the minibuffer:

`<'
     Scroll calendar backwards by one month.  

`>'
     Scroll calendar forwards by one month.  

`mouse-1'
     Select date by clicking on it.  

`S-<right>'
     One day forward.  

`S-<left>'
     One day back.  

`S-<down>'
     One week forward.  

`S-<up>'
     One week back.  

`M-S-<right>'
     One month forward.  

`M-S-<left>'
     One month back.  

`<RET>'
     Choose date in calendar (only if nothing was typed into
     minibuffer).

   ---------- Footnotes ----------

   (1) If you don't need/want the calendar, configure the variable
`org-popup-calendar-for-date-prompt'.

\x1f
File: org,  Node: Custom time format,  Next: Progress logging,  Prev: Creating timestamps,  Up: Timestamps

6.3 Custom time format
======================

Org-mode uses the standard ISO notation for dates and times as it is
defined in ISO 8601.  If you cannot get used to this and require another
representation of date and time to keep you happy, you can get it by
customizing the variables `org-display-custom-times' and
`org-time-stamp-custom-formats'.

`C-c C-x C-t'
     Toggle the display of custom formats for dates and times.

Org-mode needs the default format for scanning, so the custom date/time
format does not _replace_ the default format - instead it is put _over_
the default format using text properties.  This has the following
consequences:
   * You cannot place the cursor onto a time stamp anymore, only before
     or after.

   * The `S-<up>/<down>' keys can no longer be used to adjust each
     component of a time stamp.  If the cursor is at the beginning of
     the stamp, `S-<up>/<down>' will change the stamp by one day, just
     like `S-<left>/<right>'.  At the end of the stamp, the time will
     be changed by one minute.

   * When you delete a time stamp character-by-character, it will only
     disappear from the buffer after _all_ (invisible) characters
     belonging to the ISO timestamp have been removed.

   * If the custom time stamp format is longer than the default and you
     are using dates in tables, table alignment will be messed up.  If
     the custom format is shorter, things do work as expected.

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File: org,  Node: Progress logging,  Prev: Custom time format,  Up: Timestamps

6.4 Progress Logging
====================

Org-mode can automatically record a time stamp when you mark a TODO item
as DONE.  You can also measure precisely the time you spent on specific
items in a project by starting and stopping a clock when you start and
stop working on an aspect of a project.

* Menu:

* Closing items::               When was this entry marked DONE?
* Clocking work time::          When exactly did you work on this item?

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File: org,  Node: Closing items,  Next: Clocking work time,  Prev: Progress logging,  Up: Progress logging

6.4.1 Closing items
-------------------

If you want to keep track of _when_ a certain TODO item was finished,
turn on logging with

     (setq org-log-done t)

Then each time you turn a TODO entry into DONE using either `C-c C-t'
in the Org-mode buffer or `t' in the agenda buffer, a line `CLOSED:
[timestamp]' will be inserted just after the headline.  If you turn the
entry back into a TODO item again through further state cycling, that
line will be removed again.  In the timeline (*note Timeline::) and in
the agenda (*note Weekly/Daily agenda::), you can then use the `l' key
to display the TODO items closed on each day, giving you an overview of
what has been done on a day.  See the variable `org-log-done' for the
possibility to record an additional note together with a timestamp.

\x1f
File: org,  Node: Clocking work time,  Prev: Closing items,  Up: Progress logging

6.4.2 Clocking work time
------------------------

Org-mode allows you to clock the time you spent on specific tasks in a
project.  When you start working on an item, you can start the clock.
When you stop working on that task, or when you mark the task done, the
clock is stopped and the corresponding time interval is recorded.  It
also computes the total time spent on each subtree of a project.

`C-c C-x C-i'
     Start the clock on the current item (clock-in).  This inserts the
     CLOCK keyword together with a timestamp.  

`C-c C-x C-o'
     Stop the clock (clock-out).  The inserts another timestamp at the
     same location where the clock was last started.  It also directly
     computes the resulting time in inserts it after the time range as
     `=> HH:MM'.  See the variable `org-log-done' for the possibility to
     record an additional note together with the clock-out time stamp.  

`C-c C-y'
     Recompute the time interval after changing one of the time stamps.
     This is only necessary if you edit the time stamps directly.  If
     you change them with `S-<cursor>' keys, the update is automatic.  

`C-c C-t'
     Changing the TODO state of an item to DONE automatically stops the
     clock if it is running in this same item.  

`C-c C-x C-x'
     Cancel the current clock.  This is useful if a clock was started by
     mistake, or if you ended up working on something else.  

`C-c C-x C-d'
     Display time summaries for each subtree in the current buffer.
     This puts overlays at the end of each headline, showing the total
     time recorded under that heading, including the time of any
     subheadings. You can use visibility cycling to study the tree, but
     the overlays disappear when you change the buffer (see variable
     `org-remove-highlights-with-change') or press `C-c C-c'.  

`C-c C-x C-r'
     Insert a dynamic block (*note Dynamic blocks::) containing a clock
     report as an org-mode table into the current file.
          #+BEGIN: clocktable :maxlevel 2 :emphasize nil

          #+END: clocktable
     If such a block already exists, its content is replaced by the new
     table.  The `BEGIN' line can specify options:
          :maxlevels   Maximum level depth to which times are listed in the table.
          :emphasize   When `t', emphasize level one and level two items
          :block       The time block to consider.  This block is specified relative
                       to the current time and may be any of these keywords:
                       `today', `yesterday', `thisweek', `lastweek',
                       `thismonth', `lastmonth', `thisyear', or `lastyear'.
          :tstart      A time string specifying when to start considering times
          :tend        A time string specifying when to stop considering times
     So to get a clock summary for the current day, you could write
          #+BEGIN: clocktable :maxlevel 2 :block today

          #+END: clocktable
     and to use a specific time range you could write(1)
          #+BEGIN: clocktable :tstart "<2006-08-10 Thu 10:00>"
                              :tend "<2006-08-10 Thu 12:00>"

          #+END: clocktable
     
`C-u C-c C-x C-u'
     Update all dynamic blocks (*note Dynamic blocks::).  This is
     useful if you have several clocktable blocks in a buffer.

   The `l' key may be used in the timeline (*note Timeline::) and in
the agenda (*note Weekly/Daily agenda::) to show which tasks have been
worked on or closed during a day.

   ---------- Footnotes ----------

   (1) Note that all parameters must be specified in a single line -
the line is broken here only to fit it onto the manual.

\x1f
File: org,  Node: Tags,  Next: Agenda views,  Prev: Timestamps,  Up: Top

7 Tags
******

If you wish to implement a system of labels and contexts for
cross-correlating information, an excellent way is to assign tags to
headlines.  Org-mode has extensive support for using tags.

   Every headline can contain a list of tags, at the end of the
headline.  Tags are normal words containing letters, numbers, `_', and
`@'.  Tags must be preceded and followed by a single colon; like
`:WORK:'.  Several tags can be specified like `:WORK:URGENT:'.

* Menu:

* Tag inheritance::             Tags use the tree structure of the outline
* Setting tags::                How to assign tags to a headline
* Tag searches::                Searching for combinations of tags

\x1f
File: org,  Node: Tag inheritance,  Next: Setting tags,  Prev: Tags,  Up: Tags

7.1 Tag inheritance
===================

Tags make use of the hierarchical structure of outline trees.  If a
heading has a certain tag, all subheadings will inherit the tag as
well.  For example, in the list

     * Meeting with the French group      :WORK:
     ** Summary by Frank                  :BOSS:NOTES:
     *** TODO Prepare slides for him      :ACTION:

the final heading will have the tags `:WORK:', `:BOSS:', `:NOTES:', and
`:ACTION:'.  When executing tag searches and Org-mode finds that a
certain headline matches the search criterion, it will not check any
sublevel headline, assuming that these likely also match, and that the
list of matches can become very long.  This may not be what you want,
however, and you can influence inheritance and searching using the
variables `org-use-tag-inheritance' and `org-tags-match-list-sublevels'.

\x1f
File: org,  Node: Setting tags,  Next: Tag searches,  Prev: Tag inheritance,  Up: Tags

7.2 Setting tags
================

Tags can simply be typed into the buffer at the end of a headline.
After a colon, `M-<TAB>' offers completion on tags.  There is also a
special command for inserting tags:

`C-c C-c'
     Enter new tags for the current headline.  Org-mode will either
     offer completion or a special single-key interface for setting
     tags, see below.  After pressing <RET>, the tags will be inserted
     and aligned to `org-tags-column'.  When called with a `C-u'
     prefix, all tags in the current buffer will be aligned to that
     column, just to make things look nice.  TAGS are automatically
     realigned after promotion, demotion, and TODO state changes (*note
     TODO basics::).

   Org will support tag insertion based on a _list of tags_.  By
default this list is constructed dynamically, containing all tags
currently used in the buffer.  You may also globally specify a hard list
of tags with the variable `org-tag-alist'.  Finally you can set the
default tags for a given file with lines like

     #+TAGS: @WORK @HOME @TENNISCLUB
     #+TAGS: Laptop Car PC Sailboat

   If you have globally defined your preferred set of tags using the
variable `org-tag-alist', but would like to use a dynamic tag list in a
specific file: Just add an empty TAGS option line to that file:

     #+TAGS:

   The default support method for entering tags is minibuffer
completion.  However, Org-mode also implements a much better method:
_fast tag selection_.  This method allows to select and deselect tags
with a single key per tag.  To function efficiently, you should assign
unique keys to most tags.  This can be done globally with

     (setq org-tag-alist '(("@WORK" . ?w) ("@HOME" . ?h) ("Laptop" . ?l)))

or on a per-file basis with

     #+TAGS: @WORK(w)  @HOME(h)  @TENNISCLUB(t)  Laptop(l)  PC(p)

You can also group together tags that are mutually exclusive.  With
curly braces(1)

     #+TAGS: { @WORK(w)  @HOME(h)  @TENNISCLUB(t) }  Laptop(l)  PC(p)

you indicate that at most one of `@WORK', `@HOME', and `@TENNISCLUB'
should be selected.

Don't forget to press `C-c C-c' with the cursor in one of these lines
to activate any changes.

   If at least one tag has a selection key, pressing `C-c C-c' will
automatically present you with a special interface, listing inherited
tags, the tags of the current headline, and a list of all legal tags
with corresponding keys(2).  In this interface, you can use the
following keys:

`a-z...'
     Pressing keys assigned to tags will add or remove them from the
     list of tags in the current line.  Selecting a tag in a group of
     mutually exclusive tags will turn off any other tags from that
     group.  

`<TAB>'
     Enter a tag in the minibuffer, even if the tag is not in the
     predefined list.  You will be able to complete on all tags present
     in the buffer.  

`<SPC>'
     Clear all tags for this line.  

`<RET>'
     Accept the modified set.

`C-g'
     Abort without installing changes.

`q'
     If `q' is not assigned to a tag, it aborts like `C-g'.

`!'
     Turn off groups of mutually exclusive tags.  Use this to (as an
     exception) assign several tags from such a group.

`C-c'
     Toggle auto-exit after the next change (see below).

This method lets you assign tags to a headline with very few keys.  With
the above setup, you could clear the current tags and set `@HOME',
`Laptop' and `PC' tags with just the following keys: `C-c C-c <SPC> h l
p <RET>'.  Switching from `@HOME' to `@WORK' would be done with `C-c
C-c w <RET>' or alternatively with `C-c C-c C-c w'.  Adding the
non-predefined tag `Sarah' could be done with `C-c C-c <TAB> S a r a h
<RET> <RET>'.

   If you find that most of the time, you need only a single keypress to
modify your list of tags, set the variable
`org-fast-tag-selection-single-key'.  Then you no longer have to press
<RET> to exit fast tag selection - it will immediately exit after the
first change.  If you then occasionally need more keys, press `C-c' to
turn off auto-exit for the current tag selection process.

   ---------- Footnotes ----------

   (1) In `org-mode-alist' use `'(:startgroup)' and `'(:endgroup)',
respectively.  Several groups are allowed.

   (2) Keys will automatically be assigned to tags which have no
configured keys.

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File: org,  Node: Tag searches,  Prev: Setting tags,  Up: Tags

7.3 Tag searches
================

Once a tags system has been set up, it can be used to collect related
information into special lists.

`C-c \'
     Create a sparse tree with all headlines matching a tags search.
     With a `C-u' prefix argument, ignore headlines that are not a TODO
     line.  

`C-c a m'
     Create a global list of tag matches from all agenda files.  *Note
     Matching headline tags::.  

`C-c a M'
     Create a global list of tag matches from all agenda files, but
     check only TODO items and force checking subitems (see variable
     `org-tags-match-list-sublevels').

   A tags search string can use Boolean operators `&' for AND and `|'
for OR.  `&' binds more strongly than `|'.  Parenthesis are currently
not implemented.  A tag may also be preceded by `-', to select against
it, and `+' is syntactic sugar for positive selection.  The AND
operator `&' is optional when `+' or `-' is present.  Examples:

`+WORK-BOSS'
     Select headlines tagged `:WORK:', but discard those also tagged
     `:BOSS:'.

`WORK|LAPTOP'
     Selects lines tagged `:WORK:' or `:LAPTOP:'.

`WORK|LAPTOP&NIGHT'
     Like before, but require the `:LAPTOP:' lines to be tagged also
     `NIGHT'.

   If you are using multi-state TODO keywords (*note TODO
extensions::), it can be useful to also match on the TODO keyword.
This can be done by adding a condition after a slash to a tags match.
The syntax is similar to the tag matches, but should be applied with
consideration: For example, a positive selection on several TODO
keywords can not meaningfully be combined with boolean AND.  However,
_negative selection_ combined with AND can be meaningful.  To make sure
that only lines are checked that actually have any TODO keyword, use
`C-c a M', or equivalently start the todo part after the slash with `!'.
Examples:

`WORK/WAITING'
     Select `:WORK:'-tagged TODO lines with the specific TODO keyword
     `WAITING'.

`WORK/!-WAITING-NEXT'
     Select `:WORK:'-tagged TODO lines that are neither `WAITING' nor
     `NEXT'

`WORK/+WAITING|+NEXT'
     Select `:WORK:'-tagged TODO lines that are either `WAITING' or
     `NEXT'.

   Any element of the tag/todo match can be a regular expression - in
this case it must be enclosed in curly braces.  For example,
`WORK+{^BOSS.*}' matches headlines that contain the tag `WORK' and any
tag starting with `BOSS'.

   You can also require a headline to be of a certain level, by writing
instead of any TAG an expression like `LEVEL=3'.  For example, a search
`+LEVEL=3+BOSS/-DONE' lists all level three headlines that have the tag
BOSS and are _not_ marked witht the todo keyword DONE.

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File: org,  Node: Agenda views,  Next: Embedded LaTeX,  Prev: Tags,  Up: Top

8 Agenda Views
**************

Due to the way Org-mode works, TODO items, time-stamped items, and
tagged headlines can be scattered throughout a file or even a number of
files.  To get an overview over open action items, or over events that
are important for a particular date, this information must be collected,
sorted and displayed in an organized way.

   Org-mode can select items based on various criteria, and display them
in a separate buffer.  Six different view types are provided:

   * an _agenda_ that is like a calendar and shows information for
     specific dates,

   * a _TODO list_ that covers all unfinished action items,

   * a _tags view_, showings headlines based on the tags associated
     them,

   * a _timeline view_ that shows all events in a single Org-mode file,
     in time-sorted view,

   * a _stuck projects view_ showing projects that currently don't move
     along, and

   * _custom views_ that are special tag/keyword searches and
     combinations of different views.

The extracted information is displayed in a special _agenda buffer_.
This buffer is read-only, but provides commands to visit the
corresponding locations in the original Org-mode files, and even to
edit these files remotely.

   Two variables control how the agenda buffer is displayed and whether
the window configuration is restored when the agenda exits:
`org-agenda-window-setup' and `org-agenda-restore-windows-after-quit'.

* Menu:

* Agenda files::                Files being searched for agenda information
* Agenda dispatcher::           Keyboard access to agenda views
* Built-in agenda views::       What is available out of the box?
* Presentation and sorting::    How agenda items are prepared for display
* Agenda commands::             Remote editing of org trees
* Custom agenda views::         Defining special searches and views

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File: org,  Node: Agenda files,  Next: Agenda dispatcher,  Prev: Agenda views,  Up: Agenda views

8.1 Agenda files
================

The information to be shown is collected from all _agenda files_, the
files listed in the variable `org-agenda-files'(1).  Thus even if you
only work with a single Org-mode file, this file should be put into
that list(2).  You can customize `org-agenda-files', but the easiest
way to maintain it is through the following commands

`C-c ['
     Add current file to the list of agenda files.  The file is added to
     the front of the list.  If it was already in the list, it is moved
     to the front.  With prefix arg, file is added/moved to the end.  

`C-c ]'
     Remove current file from the list of agenda files.  

`C-,'
     Cycle through agenda file list, visiting one file after the other.

The Org menu contains the current list of files and can be used to
visit any of them.

   ---------- Footnotes ----------

   (1) If the value of that variable is not a list, but a single file
name, then the list of agenda files will be maintained in that external
file.

   (2) When using the dispatcher, pressing `1' before selecting a
command will actually limit the command to the current file, and ignore
`org-agenda-files' until the next dispatcher command.

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File: org,  Node: Agenda dispatcher,  Next: Built-in agenda views,  Prev: Agenda files,  Up: Agenda views

8.2 The agenda dispatcher
=========================

The views are created through a dispatcher that should be bound to a
global key, for example `C-c a' (*note Installation::).  In the
following we will assume that `C-c a' is indeed how the dispatcher is
accessed and list keyboard access to commands accordingly.  After
pressing `C-c a', an additional letter is required to execute a
command.  The dispatcher offers the following default commands:
`a'
     Create the calendar-like agenda (*note Weekly/Daily agenda::).

`t / T'
     Create a list of all TODO items (*note Global TODO list::).

`m / M'
     Create a list of headlines matching a TAGS expression (*note
     Matching headline tags::).

`L'
     Create the timeline view for the current buffer (*note Timeline::).

`# / !'
     Create a list of stuck projects (*note Stuck projects::).

`1'
     Restrict an agenda command to the current buffer.  After pressing
     `1', you still need to press the character selecting the command.

`0'
     If there is an active region, restrict the following agenda
     command to the region.  Otherwise, restrict it to the current
     subtree.  After pressing `0', you still need to press the
     character selecting the command.

   You can also define custom commands that will be accessible through
the dispatcher, just like the default commands.  This includes the
possibility to create extended agenda buffers that contain several
blocks together, for example the weekly agenda, the global TODO list and
a number of special tags matches.  *Note Custom agenda views::.

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File: org,  Node: Built-in agenda views,  Next: Presentation and sorting,  Prev: Agenda dispatcher,  Up: Agenda views

8.3 The built-in agenda views
=============================

In this section we describe the built-in views.

* Menu:

* Weekly/Daily agenda::         The calendar page with current tasks
* Global TODO list::            All unfinished action items
* Matching headline tags::      Structured information with fine-tuned search
* Timeline::                    Time-sorted view for single file
* Stuck projects::              Find projects you need to review

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8.3.1 The weekly/daily agenda
-----------------------------

The purpose of the weekly/daily _agenda_ is to act like a page of a
paper agenda, showing all the tasks for the current week or day.

`C-c a a'
     Compile an agenda for the current week from a list of org files.
     The agenda shows the entries for each day.  With a `C-u' prefix (or
     when the variable `org-agenda-include-all-todo' is `t'), all
     unfinished TODO items (including those without a date) are also
     listed at the beginning of the buffer, before the first date.

   Remote editing from the agenda buffer means, for example, that you
can change the dates of deadlines and appointments from the agenda
buffer.  The commands available in the Agenda buffer are listed in
*Note Agenda commands::.

Calendar/Diary integration
..........................

Emacs contains the calendar and diary by Edward M. Reingold.  The
calendar displays a three-month calendar with holidays from different
countries and cultures.  The diary allows you to keep track of
anniversaries, lunar phases, sunrise/set, recurrent appointments
(weekly, monthly) and more.  In this way, it is quite complementary to
Org-mode.  It can be very useful to combine output from Org-mode with
the diary.

   In order to include entries from the Emacs diary into Org-mode's
agenda, you only need to customize the variable

     (setq org-agenda-include-diary t)

After that, everything will happen automatically.  All diary entries
including holidays, anniversaries etc will be included in the agenda
buffer created by Org-mode.  <SPC>, <TAB>, and <RET> can be used from
the agenda buffer to jump to the diary file in order to edit existing
diary entries.  The `i' command to insert new entries for the current
date works in the agenda buffer, as well as the commands `S', `M', and
`C' to display Sunrise/Sunset times, show lunar phases and to convert
to other calendars, respectively.  `c' can be used to switch back and
forth between calendar and agenda.

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File: org,  Node: Global TODO list,  Next: Matching headline tags,  Prev: Weekly/Daily agenda,  Up: Built-in agenda views

8.3.2 The global TODO list
--------------------------

The global TODO list contains all unfinished TODO items, formatted and
collected into a single place.

`C-c a t'
     Show the global TODO list.  This collects the TODO items from all
     agenda files (*note Agenda views::) into a single buffer.  The
     buffer is in `agenda-mode', so there are commands to examine and
     manipulate the TODO entries directly from that buffer (*note
     Agenda commands::).  

`C-c a T'
     Like the above, but allows selection of a specific TODO keyword.
     You can also do this by specifying a prefix argument to `C-c a t'.
     With a `C-u' prefix you are prompted for a keyword.  With a
     numeric prefix, the Nth keyword in `org-todo-keywords' is selected.  The
     `r' key in the agenda buffer regenerates it, and you can give a
     prefix argument to this command to change the selected TODO
     keyword, for example `3 r'.  If you often need a search for a
     specific keyword, define a custom command for it (*note Agenda
     dispatcher::).
     Matching specific TODO keywords can also be done as part of a tags
     search (*note Tag searches::).

   Remote editing of TODO items means that you can change the state of a
TODO entry with a single key press.  The commands available in the TODO
list are described in *Note Agenda commands::.

   Normally the global todo list simply shows all headlines with TODO
keywords.  This list can become very long.  There are two ways to keep
it more compact:
   - Some people view a TODO item that has been _scheduled_ for
     execution (*note Time stamps::) as no longer _open_.  Configure the
     variable `org-agenda-todo-ignore-scheduled' to exclude scheduled
     items from the global TODO list.

   - TODO items may have sublevels to break up the task into subtasks.
     In such cases it may be enough to list only the highest level TODO
     headline and omit the sublevels from the global list.  Configure
     the variable `org-agenda-todo-list-sublevels' to get this behavior.

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File: org,  Node: Matching headline tags,  Next: Timeline,  Prev: Global TODO list,  Up: Built-in agenda views

8.3.3 Matching headline tags
----------------------------

If headlines in the agenda files are marked with _tags_ (*note Tags::),
you can select headlines based on the tags that apply to them and
collect them into an agenda buffer.

`C-c a m'
     Produce a list of all headlines that match a given set of tags.
     The command prompts for a selection criterion, which is a boolean
     logic expression with tags, like `+WORK+URGENT-WITHBOSS' or
     `WORK|HOME' (*note Tags::).  If you often need a specific search,
     define a custom command for it (*note Agenda dispatcher::).  

`C-c a M'
     Like `C-c a m', but only select headlines that are also TODO items
     and force checking subitems (see variable
     `org-tags-match-list-sublevels').  Matching specific todo keywords
     together with a tags match is also possible, see *Note Tag
     searches::.

   The commands available in the tags list are described in *Note
Agenda commands::.

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8.3.4 Timeline for a single file
--------------------------------

The timeline summarizes all time-stamped items from a single Org-mode
file in a _time-sorted view_.  The main purpose of this command is to
give an overview over events in a project.

`C-c a L'
     Show a time-sorted view of the org file, with all time-stamped
     items.  When called with a `C-u' prefix, all unfinished TODO
     entries (scheduled or not) are also listed under the current date.

The commands available in the timeline buffer are listed in *Note
Agenda commands::.

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8.3.5 Stuck projects
--------------------

If you are following a system like David Allen's GTD to organize your
work, one of the "duties" you have is a regular review to make sure
that all projects move along.  A _stuck_ project is a project that has
no defined next actions, so it will never show up in the TODO lists
Org-mode produces.  During the review, you need to identify such
projects and define next actions for them.

`C-c a #'
     List projects that are stuck.  

`C-c a !'
     Customize the variable `org-stuck-projects' to define what a stuck
     project is and how to find it.

   You almost certainly will have to configure this view before it will
work for you.  The built-in default assumes that all your projects are
level-2 headlines, and that a project is not stuck if it has at least
one entry marked with a todo keyword TODO or NEXT or NEXTACTION.

   Lets assume that you, in your own way of using Org-mode, identify
projects with a tag PROJECT, and that you use a todo keyword MAYBE to
indicate a project that should not be considered yet.  Lets further
assume that the todo keyword DONE marks finished projects, and that NEXT
and TODO indicate next actions.  Finally, the tag @SHOP indicates
shopping and is a next action even without the NEXT tag.  In this case
you would start by identifying elegible projects with a tags/todo match
`+PROJECT/-MAYBE-DONE', and then check for TODO, NEXT and @SHOP in the
subtree to identify projects that are not stuck.  The correct
customization for this is

     (setq org-stuck-projects
           ("+PROJECT/-MAYBE-DONE" ("NEXT" "TODO") ("@SHOP")))

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8.4 Presentation and sorting
============================

Before displaying items in an agenda view, Org-mode visually prepares
the items and sorts them.  Each item occupies a single line.  The line
starts with a _prefix_ that contains the _category_ (*note
Categories::) of the item and other important information.  You can
customize the prefix using the option `org-agenda-prefix-format'.  The
prefix is followed by a cleaned-up version of the outline headline
associated with the item.

* Menu:

* Categories::                  Not all tasks are equal
* Time-of-day specifications::  How the agenda knows the time
* Sorting of agenda items::     The order of things

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8.4.1 Categories
----------------

The category is a broad label assigned to each agenda item.  By default,
the category is simply derived from the file name, but you can also
specify it with a special line in the buffer, like this:

     #+CATEGORY: Thesis

   If there are several such lines in a file, each specifies the
category for the text below it (but the first category also applies to
any text before the first CATEGORY line).  The display in the agenda
buffer looks best if the category is not longer than 10 characters.

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8.4.2 Time-of-Day Specifications
--------------------------------

Org-mode checks each agenda item for a time-of-day specification.  The
time can be part of the time stamp that triggered inclusion into the
agenda, for example as in `<2005-05-10 Tue 19:00>'.  Time ranges can be
specified with two time stamps, like
`<2005-05-10 Tue 20:30>--<2005-05-10 Tue 22:15>'.

   In the headline of the entry itself, a time(range) may also appear as
plain text (like `12:45' or a `8:30-1pm'.  If the agenda integrates the
Emacs diary (*note Weekly/Daily agenda::), time specifications in diary
entries are recognized as well.

   For agenda display, Org-mode extracts the time and displays it in a
standard 24 hour format as part of the prefix.  The example times in
the previous paragraphs would end up in the agenda like this:

         8:30-13:00 Arthur Dent lies in front of the bulldozer
        12:45...... Ford Prefect arrives and takes Arthur to the pub
        19:00...... The Vogon reads his poem
        20:30-22:15 Marwin escorts the Hitchhikers to the bridge

   If the agenda is in single-day mode, or for the display of today, the
timed entries are embedded in a time grid, like

         8:00...... ------------------
         8:30-13:00 Arthur Dent lies in front of the bulldozer
        10:00...... ------------------
        12:00...... ------------------
        12:45...... Ford Prefect arrives and takes Arthur to the pub
        14:00...... ------------------
        16:00...... ------------------
        18:00...... ------------------
        19:00...... The Vogon reads his poem
        20:00...... ------------------
        20:30-22:15 Marwin escorts the Hitchhikers to the bridge

   The time grid can be turned on and off with the variable
`org-agenda-use-time-grid', and can be configured with
`org-agenda-time-grid'.

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8.4.3 Sorting of agenda items
-----------------------------

Before being inserted into a view, the items are sorted.  How this is
done depends on the type of view.
   * For the daily/weekly agenda, the items for each day are sorted.
     The default order is to first collect all items containing an
     explicit time-of-day specification.  These entries will be shown
     at the beginning of the list, as a _schedule_ for the day.  After
     that, items remain grouped in categories, in the sequence given by
     `org-agenda-files'.  Within each category, items are sorted by
     priority (*note Priorities::), which is composed of the base
     priority (2000 for priority `A', 1000 for `B', and 0 for `C'),
     plus additional increments for overdue scheduled or deadline items.

   * For the TODO list, items remain in the order of categories, but
     within each category, sorting takes place according to priority
     (*note Priorities::).

   * For tags matches, items are not sorted at all, but just appear in
     the sequence in which they are found in the agenda files.

   Sorting can be customized using the variable
`org-agenda-sorting-strategy'.

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8.5 Commands in the agenda buffer
=================================

Entries in the agenda buffer are linked back to the org file or diary
file where they originate.  You are not allowed to edit the agenda
buffer itself, but commands are provided to show and jump to the
original entry location, and to edit the org-files "remotely" from the
agenda buffer.  In this way, all information is stored only once,
removing the risk that your agenda and note files may diverge.

   Some commands can be executed with mouse clicks on agenda lines.  For
the other commands, the cursor needs to be in the desired line.

Motion
......

`n'
     Next line (same as <up>).  

`p'
     Previous line (same as <down>).

View/GoTo org file
..................

`mouse-3'
`<SPC>'
     Display the original location of the item in another window.

`L'
     Display original location and recenter that window.

`mouse-2'
`mouse-1'
`<TAB>'
     Go to the original location of the item in another window.  Under
     Emacs 22, `mouse-1' will also works for this.

`<RET>'
     Go to the original location of the item and delete other windows.

`f'
     Toggle Follow mode.  In Follow mode, as you move the cursor through
     the agenda buffer, the other window always shows the corresponding
     location in the org file.  The initial setting for this mode in new
     agenda buffers can be set with the variable
     `org-agenda-start-with-follow-mode'.

`b'
     Display the entire subtree of the current item in an indirect
     buffer.  With numerical prefix ARG, go up to this level and then
     take that tree.  If ARG is negative, go up that many levels.  With
     `C-u' prefix, do not remove the previously used indirect buffer.

`l'
     Toggle Logbook mode.  In Logbook mode, entries that where marked
     DONE while logging was on (variable `org-log-done') are shown in
     the agenda, as are entries that have been clocked on that day.

Change display
..............

`o'
     Delete other windows.

`w'
     Switch to weekly view (7 days displayed together).

`d'
     Switch to daily view (just one day displayed).

`D'
     Toggle the inclusion of diary entries.  See *Note Weekly/Daily
     agenda::.

`g'
     Toggle the time grid on and off.  See also the variables
     `org-agenda-use-time-grid' and `org-agenda-time-grid'.

`r'
     Recreate the agenda buffer, for example to reflect the changes
     after modification of the time stamps of items with S-<left> and
     S-<right>.  When the buffer is the global todo list, a prefix
     argument is interpreted to create a selective list for a specific
     TODO keyword.

`s'
     Save all Org-mode buffers in the current Emacs session.

`<right>'
     Display the following `org-agenda-ndays' days.  For example, if
     the display covers a week, switch to the following week.  With
     prefix arg, go forward that many times `org-agenda-ndays' days.

`<left>'
     Display the previous dates.

`.'
     Goto today.

Remote editing
..............

`0-9'
     Digit argument.

`C-_'
     Undo a change due to a remote editing command.  The change is
     undone both in the agenda buffer and in the remote buffer.

`t'
     Change the TODO state of the item, both in the agenda and in the
     original org file.

`C-k'
     Delete the current agenda item along with the entire subtree
     belonging to it in the original Org-mode file.  If the text to be
     deleted remotely is longer than one line, the kill needs to be
     confirmed by the user.  See variable `org-agenda-confirm-kill'.

`$'
     Archive the subtree corresponding to the current headline.

`T'
     Show all tags associated with the current item.  Because of
     inheritance, this may be more than the tags listed in the line
     itself.

`:'
     Set tags for the current headline.

`a'
     Toggle the ARCHIVE tag for the current headline.

`,'
     Set the priority for the current item.  Org-mode prompts for the
     priority character. If you reply with <SPC>, the priority cookie
     is removed from the entry.

`p'
     Display weighted priority of current item.

`+'
`S-<up>'
     Increase the priority of the current item.  The priority is
     changed in the original buffer, but the agenda is not resorted.
     Use the `r' key for this.

`-'
`S-<down>'
     Decrease the priority of the current item.

`C-c C-s'
     Schedule this item

`C-c C-d'
     Set a deadline for this item.

`S-<right>'
     Change the time stamp associated with the current line by one day
     into the future.  With prefix argument, change it by that many
     days.  For example, `3 6 5 S-<right>' will change it by a year.
     The stamp is changed in the original org file, but the change is
     not directly reflected in the agenda buffer.  Use the `r' key to
     update the buffer.

`S-<left>'
     Change the time stamp associated with the current line by one day
     into the past.

`>'
     Change the time stamp associated with the current line to today.
     The key `>' has been chosen, because it is the same as `S-.' on my
     keyboard.

`I'
     Start the clock on the current item.  If a clock is running
     already, it is stopped first.  

`O'
     Stop the previously started clock.  

`X'
     Cancel the currently running clock.

Calendar commands
.................

`c'
     Open the Emacs calendar and move to the date at the agenda cursor.

`c'
     When in the calendar, compute and show the Org-mode agenda for the
     date at the cursor.

`i'
     Insert a new entry into the diary.  Prompts for the type of entry
     (day, weekly, monthly, yearly, anniversary, cyclic) and creates a
     new entry in the diary, just as `i d' etc. would do in the
     calendar.  The date is taken from the cursor position.

`M'
     Show the phases of the moon for the three months around current
     date.

`S'
     Show sunrise and sunset times.  The geographical location must be
     set with calendar variables, see documentation of the Emacs
     calendar.

`C'
     Convert the date at cursor into many other cultural and historic
     calendars.

`H'
     Show holidays for three month around the cursor date.

`C-c C-x C-c'
     Export a single iCalendar file containing entries from all agenda
     files.

Quit and Exit
.............

`q'
     Quit agenda, remove the agenda buffer.

`x'
     Exit agenda, remove the agenda buffer and all buffers loaded by
     Emacs for the compilation of the agenda.  Buffers created by the
     user to visit org files will not be removed.


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8.6 Custom agenda views
=======================

Custom agenda commands serve two purposes: to store and quickly access
frequently used TODO and tags searches, and to create special composite
agenda buffers.  Custom agenda commands will be accessible through the
dispatcher (*note Agenda dispatcher::), just like the default commands.

* Menu:

* Storing searches::            Type once, use often
* Block agenda::                All the stuff you need in a single buffer
* Setting Options::             Changing the rules
* Batch processing::            Agenda views from the command line

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File: org,  Node: Storing searches,  Next: Block agenda,  Prev: Custom agenda views,  Up: Custom agenda views

8.6.1 Storing searches
----------------------

The first application of custom searches is the definition of keyboard
shortcuts for frequently used searches, either creating an agenda
buffer, or a sparse tree (the latter covering of course only the current
buffer).  Custom commands are configured in the variable
`org-agenda-custom-commands'.  You can customize this variable, for
example by pressing `C-c a C'.  You can also directly set it with Emacs
Lisp in `.emacs'.  The following example contains all valid search
types:

     (setq org-agenda-custom-commands
           '(("w" todo "WAITING")
             ("W" todo-tree "WAITING")
             ("u" tags "+BOSS-URGENT")
             ("v" tags-todo "+BOSS-URGENT")
             ("U" tags-tree "+BOSS-URGENT")
             ("f" occur-tree "\\<FIXME\\>")))

The initial single-character string in each entry defines the character
you have to press after the dispatcher command `C-c a' in order to
access the command.   The second parameter is the search type, followed
by the string or regular expression to be used for the matching.  The
example above will therefore define:

`C-c a w'
     as a global search for TODO entries with `WAITING' as the TODO
     keyword

`C-c a W'
     as the same search, but only in the current buffer and displaying
     the results as a sparse tree

`C-c a u'
     as a global tags search for headlines marked `:BOSS:' but not
     `:URGENT:'

`C-c a v'
     as the same search as `C-c a u', but limiting the search to
     headlines that are also TODO items

`C-c a U'
     as the same search as `C-c a u', but only in the current buffer and
     displaying the result as a sparse tree

`C-c a f'
     to create a sparse tree (again: current buffer only) with all
     entries containing the word `FIXME'.

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File: org,  Node: Block agenda,  Next: Setting Options,  Prev: Storing searches,  Up: Custom agenda views

8.6.2 Block agenda
------------------

Another possibility is the construction of agenda views that comprise
the results of _several_ commands, each of which creates a block in the
agenda buffer.  The available commands include `agenda' for the daily
or weekly agenda (as created with `C-c a a'), `alltodo' for the global
todo list (as constructed with `C-c a t'), and the matching commands
discussed above: `todo', `tags', and `tags-todo'.  Here are two
examples:

     (setq org-agenda-custom-commands
           '(("h" "Agenda and Home-related tasks"
              ((agenda)
               (tags-todo "HOME")
               (tags "GARDEN")))
             ("o" "Agenda and Office-related tasks"
              ((agenda)
               (tags-todo "WORK")
               (tags "OFFICE")))))

This will define `C-c a h' to create a multi-block view for stuff you
need to attend to at home.  The resulting agenda buffer will contain
your agenda for the current week, all TODO items that carry the tag
`HOME', and also all lines tagged with `GARDEN'.  Finally the command
`C-c a o' provides a similar view for office tasks.

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File: org,  Node: Setting Options,  Next: Batch processing,  Prev: Block agenda,  Up: Custom agenda views

8.6.3 Setting Options for custom commands
-----------------------------------------

Org-mode contains a number of variables regulating agenda construction
and display.  The global variables define the behavior for all agenda
commands, including the custom commands.  However, if you want to change
some settings just for a single custom view, you can do so.  Setting
options requires inserting a list of variable names and values at the
right spot in `org-agenda-custom-commands'.  For example:

     (setq org-agenda-custom-commands
           '(("w" todo "WAITING"
              ((org-agenda-sorting-strategy '(priority-down))
               (org-agenda-prefix-format "  Mixed: ")))
             ("U" tags-tree "+BOSS-URGENT"
              ((org-show-following-heading nil)
               (org-show-hierarchy-above nil)))))

Now the `C-c a w' command will sort the collected entries only by
priority, and the prefix format is modified to just say `  Mixed:'
instead of giving the category of the entry.  The sparse tags tree of
`C-c a U' will now turn out ultra-compact, because neither the headline
hierarchy above the match, nor the headline following the match will be
shown.

   For command sets creating a block agenda,
`org-agenda-custom-commands' has two separate spots for setting
options.  You can add options that should be valid for just a single
command in the set, and options that should be valid for all commands in
the set.  The former are just added to the command entry, the latter
must come after the list of command entries.  Going back to the block
agenda example (*note Block agenda::), let's change the sorting strategy
for the `C-c a h' commands to `priority-down', but let's sort the
results for GARDEN tags query in the opposite order, `priority-up'.
This would look like this:

     (setq org-agenda-custom-commands
           '(("h" "Agenda and Home-related tasks"
              ((agenda)
               (tags-todo "HOME")
               (tags "GARDEN" ((org-agenda-sorting-strategy '(priority-up)))))
              ((org-agenda-sorting-strategy '(priority-down))))
             ("o" "Agenda and Office-related tasks"
              ((agenda)
               (tags-todo "WORK")
               (tags "OFFICE")))))

   As you see, the values and parenthesis setting is a little complex.
When in doubt, use the customize interface to set this variable - it
fully supports its structure.  Just one caveat: When setting options in
this interface, the _values_ are just lisp expressions.  So if the
value is a string, you need to add the double quotes around the value
yourself.

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File: org,  Node: Batch processing,  Prev: Setting Options,  Up: Custom agenda views

8.6.4 Creating agenda views in batch processing
-----------------------------------------------

If you want to print or otherwise reprocess agenda views, it can be
useful to create an agenda from the command line.  This is the purpose
of the function `org-batch-agenda'.  It takes as a parameter one of the
strings that are the keys in `org-agenda-custom-commands'.  For
example, to directly print the current TODO list, you could use

     emacs -batch -l ~/.emacs -eval '(org-batch-agenda "t")' | lpr

You may also modify parameters on the fly like this:

     emacs -batch -l ~/.emacs                                      \
        -eval '(org-batch-agenda "a"                               \
                 org-agenda-ndays 300                              \
                 org-agenda-include-diary nil                      \
                 org-agenda-files (quote ("~/org/project.org")))'  \
        | lpr

which will produce a 300 day agenda, fully restricted to the Org file
`~/org/projects.org', not even including the diary.

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File: org,  Node: Embedded LaTeX,  Next: Exporting,  Prev: Agenda views,  Up: Top

9 Embedded LaTeX
****************

Plain ASCII is normally sufficient for almost all note taking.  One
exception, however, are scientific notes which need to be able to
contain mathematical symbols and the occasional formula.  LaTeX(1) is
widely used to typeset scientific documents. Org-mode supports
embedding LaTeX code into its files, because many academics are used to
read LaTeX source code, and because it can be readily processed into
images for HTML production.

   It is not necessary to mark LaTeX macros and code in any special way.
If you observe a few conventions, Org-mode knows how to find it and what
to do with it.

* Menu:

* Math symbols::                TeX macros for symbols and Greek letters
* Subscripts and Superscripts::  Simple syntax for raising/lowering text
* LaTeX fragments::             Complex formulas made easy
* Processing LaTeX fragments::  Previewing LaTeX processing
* CDLaTeX mode::                Speed up entering of formulas

   ---------- Footnotes ----------

   (1) LaTeX is a macro system based on Donald E. Knuth's TeX system.
Many of the features described here as "LaTeX" are really from TeX, but
for simplicity I am blurring this distinction.

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File: org,  Node: Math symbols,  Next: Subscripts and Superscripts,  Prev: Embedded LaTeX,  Up: Embedded LaTeX

9.1 Math symbols
================

You can use LaTeX macros to insert special symbols like `\alpha' to
indicate the Greek letter, or `\to' to indicate an arrow.  Completion
for these macros is available, just type `\' and maybe a few letters,
and press `M-<TAB>' to see possible completions.  Unlike LaTeX code,
Org-mode allows these macros to be present without surrounding math
delimiters, for example:

     Angles are written as Greek letters \alpha, \beta and \gamma.

   During HTML export (*note HTML export::), these symbols are
translated into the proper syntax for HTML, for the above examples this
is `&alpha;' and `&rarr;', respectively.

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File: org,  Node: Subscripts and Superscripts,  Next: LaTeX fragments,  Prev: Math symbols,  Up: Embedded LaTeX

9.2 Subscripts and Superscripts
===============================

Just like in LaTeX, `^' and `_' are used to indicate super- and
subscripts.  Again, these can be used without embedding them in
math-mode delimiters.  To increase the readability of ASCII text, it is
not necessary (but OK) to surround multi-character sub- and superscripts
with curly braces.  For example

     The mass if the sun is M_sun = 1.989 x 10^30 kg.  The radius of
     the sun is R_{sun} = 6.96 x 10^8 m.

   To avoid interpretation as raised or lowered text, you can quote `^'
and `_' with a backslash: `\_' and `\^'.

   During HTML export (*note HTML export::), subscript and superscripts
are surrounded with `<sub>' and `<sup>' tags, respectively.

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File: org,  Node: LaTeX fragments,  Next: Processing LaTeX fragments,  Prev: Subscripts and Superscripts,  Up: Embedded LaTeX

9.3 LaTeX fragments
===================

With symbols, sub- and superscripts, HTML is pretty much at its end when
it comes to representing mathematical formulas(1).  More complex
expressions need a dedicated formula processor.  To this end, Org-mode
can contain arbitrary LaTeX fragments.  It provides commands to preview
the typeset result of these fragments, and upon export to HTML, all
fragments will be converted to images and inlined into the HTML
document.  For this to work you need to be on a system with a working
LaTeX installation.  You also need the `dvipng' program, available at
`http://sourceforge.net/projects/dvipng/'.

   LaTeX fragments don't need any special marking at all.  The following
snippets will be identified as LaTeX source code:
   * Environments of any kind.  The only requirement is that the
     `\begin' statement appears on a new line, preceded by only
     whitespace.

   * Text within the usual LaTeX math delimiters.  To avoid conflicts
     with currency specifications, single `$' characters are only
     recognized as math delimiters if the enclosed text contains at
     most two line breaks, is directly attached to the `$' characters
     with no whitespace in between, and if the closing `$' is followed
     by whitespace or punctuation.  For the other delimiters, there is
     no such restriction, so when in doubt, use `\(...\)' as inline
     math delimiters.

For example:

     \begin{equation}                          % arbitrary environments,
     x=\sqrt{b}                                % even tables, figures
     \end{equation}                            % etc

     If $a^2=b$ and \( b=2 \), then the solution must be
     either $$ a=+\sqrt{2} $$ or \[ a=-\sqrt{2} \].

If you need any of the delimiter ASCII sequences for other purposes, you
can configure the option `org-format-latex-options' to deselect the
ones you do not wish to have interpreted by the LaTeX converter.

   ---------- Footnotes ----------

   (1) Yes, there is MathML, but that is not yet fully supported by
many browsers, and there is no decent converter for turning LaTeX of
ASCII representations of formulas into MathML.  So for the time being,
converting formulas into images seems the way to go.

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File: org,  Node: Processing LaTeX fragments,  Next: CDLaTeX mode,  Prev: LaTeX fragments,  Up: Embedded LaTeX

9.4 Processing LaTeX fragments
==============================

LaTeX fragments can be processed to produce a preview images of the
typeset expressions:

`C-c C-x C-l'
     Produce a preview image of the LaTeX fragment at point and overlay
     it over the source code.  If there is no fragment at point,
     process all fragments in the current entry (between two
     headlines).  When called with a prefix argument, process the
     entire subtree.  When called with two prefix arguments, or when
     the cursor is before the first headline, process the entire buffer.  

`C-c C-c'
     Remove the overlay preview images.

   During HTML export (*note HTML export::), all LaTeX fragments are
converted into images and inlined into the document if the following
setting is active:

     (setq org-export-with-LaTeX-fragments t)

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File: org,  Node: CDLaTeX mode,  Prev: Processing LaTeX fragments,  Up: Embedded LaTeX

9.5 Using CDLaTeX to enter math
===============================

CDLaTeX-mode is a minor mode that is normally used in combination with a
major LaTeX mode like AUCTeX in order to speed-up insertion of
environments and math templates.  Inside Org-mode, you can make use of
some of the features of cdlatex-mode.  You need to install `cdlatex.el'
and `texmathp.el' (the latter comes also with AUCTeX) from
`http://www.astro.uva.nl/~dominik/Tools/cdlatex'.  Don't turn
cdlatex-mode itself under Org-mode, but use the light version
`org-cdlatex-mode' that comes as part of Org-mode.  Turn it on for the
current buffer with `M-x org-cdlatex-mode', or for all Org-mode files
with

     (add-hook 'org-mode-hook 'turn-on-org-cdlatex)

   When this mode is enabled, the following features are present (for
more details see the documentation of cdlatex-mode):
   * Environment templates can be inserted with `C-c {'.

   * The <TAB> key will do template expansion if the cursor is inside a
     LaTeX fragment(1).  For example, <TAB> will expand `fr' to
     `\frac{}{}' and position the cursor correctly inside the first
     brace.  Another <TAB> will get you into the second brace.  Even
     outside fragments, <TAB> will expand environment abbreviations at
     the beginning of a line.  For example, if you write `equ' at the
     beginning of a line and press <TAB>, this abbreviation will be
     expanded to an `equation' environment.  To get a list of all
     abbreviations, type `M-x cdlatex-command-help'.

   * Pressing `_' and `^' inside a LaTeX fragment will insert these
     characters together with a pair of braces.  If you use <TAB> to
     move out of the braces, and if the braces surround only a single
     character or macro, they are removed again (depending on the
     variable `cdlatex-simplify-sub-super-scripts').

   * Pressing the backquote ``' followed by a character inserts math
     macros, also outside LaTeX fragments.  If you wait more than 1.5
     seconds after the backquote, a help window will pop up.

   * Pressing the normal quote `'' followed by another character
     modifies the symbol before point with an accent or a font.  If you
     wait more than 1.5 seconds after the backquote, a help window will
     pop up.  Character modification will work only inside LaTeX
     fragments, outside the quote is normal.

   ---------- Footnotes ----------

   (1) Org-mode has a method to test if the cursor is inside such a
fragment, see the documentation of the function
`org-inside-LaTeX-fragment-p'.

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File: org,  Node: Exporting,  Next: Publishing,  Prev: Embedded LaTeX,  Up: Top

10 Exporting
************

Org-mode documents can be exported into a variety of other formats.  For
printing and sharing of notes, ASCII export produces a readable and
simple version of an Org-mode file.  HTML export allows you to publish a
notes file on the web, while the XOXO format provides a solid base for
exchange with a broad range of other applications.  To incorporate
entries with associated times like deadlines or appointments into a
desktop calendar program like iCal, Org-mode can also produce extracts
in the iCalendar format.  Currently Org-mode only supports export, not
import of these different formats.

   When exporting, Org-mode uses special conventions to enrich the
output produced.  *Note Text interpretation::, for more details.

`C-c C-e'
     Dispatcher for export and publishing commands.  Displays a
     help-window listing the additional key(s) needed to launch an
     export or publishing command.

* Menu:

* ASCII export::                Exporting to plain ASCII
* HTML export::                 Exporting to HTML
* XOXO export::                 Exporting to XOXO
* iCalendar export::            Exporting in iCalendar format
* Text interpretation::         How the exporter looks at the file

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File: org,  Node: ASCII export,  Next: HTML export,  Prev: Exporting,  Up: Exporting

10.1 ASCII export
=================

ASCII export produces a simple and very readable version of an Org-mode
file.

`C-c C-e a'
     Export as ASCII file.  If there is an active region, only the
     region will be exported.  For an org file `myfile.org', the ASCII
     file will be `myfile.txt'.  The file will be overwritten without
     warning.  

`C-c C-e v a'
     Export only the visible part of the document.

   In the exported version, the first 3 outline levels will become
headlines, defining a general document structure.  Additional levels
will be exported as itemized lists.  If you want that transition to
occur at a different level, specify it with a prefix argument.  For
example,

     C-1 C-c C-e a

creates only top level headlines and does the rest as items.  When
headlines are converted to items, the indentation of the text following
the headline is changed to fit nicely under the item.  This is done with
the assumption that the first bodyline indicates the base indentation of
the body text.  Any indentation larger than this is adjusted to preserve
the layout relative to the first line.  Should there be lines with less
indentation than the first, these are left alone.

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File: org,  Node: HTML export,  Next: XOXO export,  Prev: ASCII export,  Up: Exporting

10.2 HTML export
================

Org-mode contains an HTML (XHTML 1.0 strict) exporter with extensive
HTML formatting, in ways similar to John Grubers _markdown_ language,
but with additional support for tables.

`C-c C-e h'
     Export as HTML file `myfile.html'.  

`C-c C-e b'
     Export as HTML file and open it with a browser.  

`C-c C-e v h'

`C-c C-e v b'
     Export only the visible part of the document.

   In the exported version, the first 3 outline levels will become
headlines, defining a general document structure.  Additional levels
will be exported as itemized lists.  If you want that transition to
occur at a different level, specify it with a prefix argument.  For
example,

     C-2 C-c C-e b

creates two levels of headings and does the rest as items.

   If you want to include HTML tags which should be interpreted as such,
mark them with `@' as in `@<b>bold text@</b>'.  Plain `<' and `>' are
always transformed to `&lt;' and `&gt;' in HTML export.

   Internal links (*note Internal links::) will continue to work in HTML
files only if they match a dedicated `<<target>>'.  Automatic links
created by radio targets (*note Radio targets::) will also work in the
HTML file.  Links to external files will still work if the HTML file is
in the same directory as the Org-mode file.  Links to other `.org'
files will be translated into HTML links under the assumption that an
HTML version also exists of the linked file.  For information related to
linking files while publishing them to a publishing directory see *Note
Publishing links::.

   You can also give style information for the exported file.  The HTML
exporter assigns the following CSS classes to appropriate parts of the
document - your style specifications may change these:
     .todo           TODO keywords
     .done           the DONE keyword
     .timestamp      time stamp
     .timestamp-kwd  keyword associated with a time stamp, like SCHEDULED
     .tag            tag in a headline
     .target         target for links

   The default style specification can be configured through the option
`org-export-html-style'.  If you want to use a file-local style, you
may use file variables, best wrapped into a COMMENT section at the end
of the outline tree.  For example:

     * COMMENT HTML style specifications

     # Local Variables:
     # org-export-html-style: "   <style type=\"text/css\">
     #       p {font-weight: normal; color: gray; }
     #       h1 {color: black; }
     #   </style>"
     # End:

   Remember to execute `M-x normal-mode' after changing this to make
the new style visible to Emacs.  This command restarts org-mode for the
current buffer and forces Emacs to re-evaluate the local variables
section in the buffer.

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File: org,  Node: XOXO export,  Next: iCalendar export,  Prev: HTML export,  Up: Exporting

10.3 XOXO export
================

Org-mode contains an exporter that produces XOXO-style output.
Currently, this exporter only handles the general outline structure and
does not interpret any additional Org-mode features.

`C-c C-e x'
     Export as XOXO file `myfile.html'.  

`C-c C-e v x'
     Export only the visible part of the document.

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File: org,  Node: iCalendar export,  Next: Text interpretation,  Prev: XOXO export,  Up: Exporting

10.4 iCalendar export
=====================

Some people like to use Org-mode for keeping track of projects, but
still prefer a standard calendar application for anniversaries and
appointments.  In this case it can be useful to have deadlines and
other time-stamped items in Org-mode files show up in the calendar
application.  Org-mode can export calendar information in the standard
iCalendar format.

`C-c C-e i'
     Create iCalendar entries for the current file and store them in
     the same directory, using a file extension `.ics'.  

`C-c C-e I'
     Like `C-c C-e i', but do this for all files in `org-agenda-files'.
     For each of these files, a separate iCalendar file will be
     written.  

`C-c C-e c'
     Create a single large iCalendar file from all files in
     `org-agenda-files' and write it to the file given by
     `org-combined-agenda-icalendar-file'.

   How this calendar is best read and updated, depends on the
application you are using.  For example, when using iCal under Apple
MacOS X, you could create a new calendar `OrgMode' (the default name
for the calendar created by `C-c C-e c', see the variables
`org-icalendar-combined-name' and
`org-combined-agenda-icalendar-file').  Then set Org-mode to overwrite
the corresponding file `~/Library/Calendars/OrgMode.ics'.  You may even
use AppleScript to make iCal re-read the calendar files each time a new
version of `OrgMode.ics' is produced.  Here is the setup needed for
this:

     (setq org-combined-agenda-icalendar-file
         "~/Library/Calendars/OrgMode.ics")
     (add-hook 'org-after-save-iCalendar-file-hook
      (lambda ()
       (shell-command
        "osascript -e 'tell application \"iCal\" to reload calendars'")))

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File: org,  Node: Text interpretation,  Prev: iCalendar export,  Up: Exporting

10.5 Text interpretation by the exporter
========================================

The exporter backends interpret additional structure in the Org-mode
file in order to produce better output.

* Menu:

* Comment lines::               Some lines will not be exported
* Enhancing text::              Subscripts, symbols and more
* Export options::              How to influence the export settings

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File: org,  Node: Comment lines,  Next: Enhancing text,  Prev: Text interpretation,  Up: Text interpretation

10.5.1 Comment lines
--------------------

Lines starting with `#' in column zero are treated as comments and will
never be exported.  Also entire subtrees starting with the word
`COMMENT' will never be exported.  Finally, any text before the first
headline will not be exported either.

`C-c ;'
     Toggle the COMMENT keyword at the beginning of an entry.

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File: org,  Node: Enhancing text,  Next: Export options,  Prev: Comment lines,  Up: Text interpretation

10.5.2 Enhancing text for export
--------------------------------

Some of the export backends of Org-mode allow for sophisticated text
formatting, this is true in particular for the HTML backend.  Org-mode
has a number of typing conventions that allow to produce a richly
formatted output.

   * Plain lists `-', `*' or `+' as bullet, or with `1.' or `2)' as
     enumerator will be recognized and transformed if the backend
     supports lists.  See *Note Plain lists::.

   * You can make words *bold*, /italic/, _underlined_, `=code=', and
     `+strikethrough+'.

   * Many TeX macros and entire LaTeX fragments are converted into HTML
     entities or images (*note Embedded LaTeX::).

   * Tables are transformed into native tables under the exporter, if
     the export backend supports this. Data fields before the first
     horizontal separator line will be formatted as table header fields.

   * If a headline starts with the word `QUOTE', the text below the
     headline will be typeset as fixed-width, to allow quoting of
     computer codes etc.  Lines starting with `:' are also typeset in
     fixed-width font.
    `C-c :'
          Toggle fixed-width for entry (QUOTE) or region, see below.

   * A double backslash _at the end of a line_ enforces a line break at
     this position.

   If these conversions conflict with your habits of typing ASCII text,
they can all be turned off with corresponding variables (see the
customization group `org-export-general', and the following section
which explains how to set export options with special lines in a buffer.

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File: org,  Node: Export options,  Prev: Enhancing text,  Up: Text interpretation

10.5.3 Export options
---------------------

The exporter recognizes special lines in the buffer which provide
additional information.  These lines may be put anywhere in the file.
The whole set of lines can be inserted into the buffer with `C-c C-e
t'.  For individual lines, a good way to make sure the keyword is
correct is to type `#+' and then use `M-<TAB>' completion (*note
Completion::).

`C-c C-e t'
     Insert template with export options, see example below.

     #+TITLE:     the title to be shown (default is the buffer name)
     #+AUTHOR:    the author (default taken from `user-full-name')
     #+EMAIL:     his/her email address (default from `user-mail-address')
     #+LANGUAGE:  language for HTML, e.g. `en' (`org-export-default-language')
     #+TEXT:      Some descriptive text to be inserted at the beginning.
     #+TEXT:      Several lines may be given.
     #+OPTIONS:   H:2 num:t toc:t \n:nil @:t ::t |:t ^:t *:nil TeX:t LaTeX:t

The OPTIONS line is a compact form to specify export settings.  Here
you can: 
     H:      set the number of headline levels for export
     num:    turn on/off section-numbers
     toc:    turn on/off table of contents
     \n:     turn on/off linebreak-preservation
     @:      turn on/off quoted HTML tags
     ::      turn on/off fixed-width sections
     |:      turn on/off tables
     ^:      turn on/off TeX-like syntax for sub- and superscripts.
     *:      turn on/off emphasized text (bold, italic, underlined)
     TeX:    turn on/off simple TeX macros in plain text
     LaTeX:  turn on/off LaTeX fragments

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File: org,  Node: Publishing,  Next: Miscellaneous,  Prev: Exporting,  Up: Top

11 Publishing
*************

Org-mode includes(1) a publishing management system that allows you to
configure automatic HTML conversion of _projects_ composed of
interlinked org files.  This system is called _org-publish_.  You can
also configure org-publish to automatically upload your exported HTML
pages and related attachments, such as images and source code files, to
a web server.  Org-publish turns org-mode into a web-site authoring
tool.

   Org-publish has been contributed to Org-mode by David O'Toole.

* Menu:

* Configuration::               Defining projects
* Sample configuration::        Example projects
* Triggering publication::      Publication commands

   ---------- Footnotes ----------

   (1) `org-publish.el' is not yet part of Emacs, so if you are using
`org.el' as it comes with Emacs, you need to download this file
separately.  Also make sure org.el is at least version 4.27.

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File: org,  Node: Configuration,  Next: Sample configuration,  Prev: Publishing,  Up: Publishing

11.1 Configuration
==================

Publishing needs significant configuration to specify files, destination
and many other properties of a project.

* Menu:

* Project alist::               The central configuration variable
* Sources and destinations::    From here to there
* Selecting files::             What files are part of the project?
* Publishing action::           Setting the function doing the publishing
* Publishing options::          Tweaking HTML export
* Publishing links::            Which links keep working after publishing?
* Project page index::          Publishing a list of project files

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File: org,  Node: Project alist,  Next: Sources and destinations,  Prev: Configuration,  Up: Configuration

11.1.1 The variable `org-publish-project-alist'
-----------------------------------------------

Org-publish is configured almost entirely through setting the value of
one variable, called `org-publish-project-alist'.  Each element of the
list configures one project, and may be in one of the two following
forms:

     ("project-name"  :property value :property value ...)

     or

     ("project-name"  :components ("project-name" "project-name" ...))

   In both cases, projects are configured by specifying property values.
A project defines the set of files that will be published, as well as
the publishing configuration to use when publishing those files.  When
a project takes the second form listed above, the individual members of
the "components" property are taken to be components of the project,
which group together files requiring different publishing options. When
you publish such a "meta-project" all the components will also publish.

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File: org,  Node: Sources and destinations,  Next: Selecting files,  Prev: Project alist,  Up: Configuration

11.1.2 Sources and destinations for files
-----------------------------------------

Most properties are optional, but some should always be set. In
particular, org-publish needs to know where to look for source files,
and where to put published files.

`:base-directory'      Directory containing publishing source files
`:publishing-directory'Directory (possibly remote) where output files
                       will be published.
`:preparation-function'Function called before starting publishing
                       process, for example to run `make' for updating
                       files to be published.

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File: org,  Node: Selecting files,  Next: Publishing action,  Prev: Sources and destinations,  Up: Configuration

11.1.3 Selecting files
----------------------

By default, all files with extension `.org' in the base directory are
considered part of the project.  This can be modified by setting the
properties
`:base-extension'  Extension (without the dot!) of source files.  This
                   actually is a regular expression.
`:exclude'         Regular expression to match file names that should
                   not be published, even though they have been selected
                   on the basis of their extension.
`:include'         List of files to be included regardless of
                   `:base-extension' and `:exclude'.

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File: org,  Node: Publishing action,  Next: Publishing options,  Prev: Selecting files,  Up: Configuration

11.1.4 Publishing Action
------------------------

Publishing means that a file is copied to the destination directory and
possibly transformed in the process.  The default transformation is to
export Org-mode files as HTML files, and this is done by the function
`org-publish-org-to-html' which calls the HTML exporter (*note HTML
export::).  Other files like images only need to be copied to the
publishing destination.  For non-Org-mode files, you need to specify
the publishing function.

`:publishing-function' Function executing the publication of a file.
                       This may also be a list of functions, which will
                       all be called in turn.

   The function must accept two arguments: a property list containing at
least a `:publishing-directory' property, and the name of the file to
be published.  It should take the specified file, make the necessary
transformation (if any) and place the result into the destination
folder.  You can write your own publishing function, but `org-publish'
provides one for attachments (files that only need to be copied):
`org-publish-attachment'.

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File: org,  Node: Publishing options,  Next: Publishing links,  Prev: Publishing action,  Up: Configuration

11.1.5 Options for the HTML exporter
------------------------------------

The property list can be used to set many export options for the HTML
exporter.  In most cases, these properties correspond to user variables
in Org-mode.  The table below lists these properties along with the
variable they belong to.  See the documentation string for the
respective variable for details.

`:language'            `org-export-default-language'
`:headline-levels'     `org-export-headline-levels'
`:section-numbers'     `org-export-with-section-numbers'
`:table-of-contents'   `org-export-with-toc'
`:archived-trees'      `org-export-with-archived-trees'
`:emphasize'           `org-export-with-emphasize'
`:sub-superscript'     `org-export-with-sub-superscripts'
`:TeX-macros'          `org-export-with-TeX-macros'
`:LaTeX-fragments'     `org-export-with-LaTeX-fragments'
`:fixed-width'         `org-export-with-fixed-width'
`:timestamps'          `org-export-with-timestamps'
 .                     
`:tags'                `org-export-with-tags'
 .                     
`:tables'              `org-export-with-tables'
`:table-auto-headline' `org-export-highlight-first-table-line'
`:style'               `org-export-html-style'
`:convert-org-links'   `org-export-html-link-org-files-as-html'
`:inline-images'       `org-export-html-inline-images'
`:expand-quoted-html'  `org-export-html-expand'
`:timestamp'           `org-export-html-with-timestamp'
`:publishing-directory'`org-export-publishing-directory'
`:preamble'            `org-export-html-preamble'
`:postamble'           `org-export-html-postamble'
`:auto-preamble'       `org-export-html-auto-preamble'
`:auto-postamble'      `org-export-html-auto-postamble'
`:author'              `user-full-name'
`:email'               `user-mail-address'

   When a property is given a value in org-publish-project-alist, its
setting overrides the value of the corresponding user variable (if any)
during publishing.  options set within a file (*note Export options::),
however, override everything.

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File: org,  Node: Publishing links,  Next: Project page index,  Prev: Publishing options,  Up: Configuration

11.1.6 Links between published files
------------------------------------

To create a link from one Org-mode file to another, you would use
something like `[[file:foo.org][The foo]]' or simply `file:foo.org.'
(*note Hyperlinks::).  Upon publishing this link becomes a link to
`foo.html'.  In this way, you can interlink the pages of your "org web"
project and the links will work as expected when you publish them to
HTML.

   You may also link to related files, such as images. Provided you are
careful with relative pathnames, and provided you have also configured
org-publish to upload the related files, these links will work too.
*Note Complex example:: for an example of this usage.

   Sometime an Org-mode file to be published may contain links that are
only valid in your production environment, but not in the publishing
location.  In this case, use the property

`:link-validation-function'   Function to validate links

to define a function for checking link validity.  This function must
accept two arguments, the file name and a directory relative to which
the file name is interpreted in the production environment.  If this
function returns `nil', then the HTML generator will only insert a
description into the HTML file, but no link.  One option for this
function is `org-publish-validate-link' which checks if the given file
is part of any project in `org-publish-project-alist'.

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File: org,  Node: Project page index,  Prev: Publishing links,  Up: Configuration

11.1.7 Project page index
-------------------------

The following properties may be used to control publishing of an index
of files or summary page for a given project.

`:auto-index'      When non-nil, publish an index during
                   org-publish-current-project or org-publish-all.
`:index-filename'  Filename for output of index. Defaults to `index.org'
                   (which becomes `index.html').
`:index-title'     Title of index page. Defaults to name of file.
`:index-function'  Plugin function to use for generation of index.
                   Defaults to `org-publish-org-index', which generates
                   a plain list of links to all files in the project.

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File: org,  Node: Sample configuration,  Next: Triggering publication,  Prev: Configuration,  Up: Publishing

11.2 Sample configuration
=========================

Below we provide two example configurations.  The first one is a simple
project publishing only a set of Org-mode files.  The second example is
more complex, with a multi-component project.

* Menu:

* Simple example::              One-component publishing
* Complex example::             A multi-component publishing example

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File: org,  Node: Simple example,  Next: Complex example,  Prev: Sample configuration,  Up: Sample configuration

11.2.1 Example: simple publishing configuration
-----------------------------------------------

This example publishes a set of Org-mode files to the `public_html'
directory on the local machine.

     (setq org-publish-project-alist
           '(("org"
              :base-directory "~/org/"
              :publishing-directory "~/public_html"
              :section-numbers nil
              :table-of-contents nil
              :style "<link rel=stylesheet
                     href=\"../other/mystyle.css\"
                     type=\"text/css\">")))

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File: org,  Node: Complex example,  Prev: Simple example,  Up: Sample configuration

11.2.2 Example: complex publishing configuration
------------------------------------------------

This more complicated example publishes an entire website, including
org files converted to HTML, image files, emacs lisp source code, and
stylesheets. The publishing-directory is remote and private files are
excluded.

   To ensure that links are preserved, care should be taken to replicate
your directory structure on the web server, and to use relative file
paths. For example, if your org files are kept in `~/org' and your
publishable images in `~/images', you'd link to an image with
     file:../images/myimage.png
   On the web server, the relative path to the image should be the
same. You can accomplish this by setting up an "images" folder in the
right place on the webserver, and publishing images to it.

     (setq org-publish-project-alist
           '(("orgfiles"
               :base-directory "~/org/"
               :base-extension "org"
               :publishing-directory "/ssh:user@host:~/html/notebook/"
               :publishing-function org-publish-org-to-html
               :exclude "PrivatePage.org"   ;; regexp
               :headline-levels 3
               :section-numbers nil
               :table-of-contents nil
               :style "<link rel=stylesheet
                       href=\"../other/mystyle.css\" type=\"text/css\">"
               :auto-preamble t
               :auto-postamble nil)

              ("images"
               :base-directory "~/images/"
               :base-extension "jpg\\|gif\\|png"
               :publishing-directory "/ssh:user@host:~/html/images/"
               :publishing-function org-publish-attachment)

              ("other"
               :base-directory "~/other/"
               :base-extension "css\\|el"
               :publishing-directory "/ssh:user@host:~/html/other/"
               :publishing-function org-publish-attachment)
              ("website" :components ("orgfiles" "images" "other"))))

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File: org,  Node: Triggering publication,  Prev: Sample configuration,  Up: Publishing

11.3 Triggering publication
===========================

Once org-publish is properly configured, you can publish with the
following functions:

`C-c C-e c'
     Prompt for a specific project and publish all files that belong to
     it.

`C-c C-e p'
     Publish the project containing the current file.

`C-c C-e f'
     Publish only the current file.

`C-c C-e a'
     Publish all projects.

   Org uses timestamps to track when a file has changed. The above
functions normally only publish changed files. You can override this and
force publishing of all files by giving a prefix argument.

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File: org,  Node: Miscellaneous,  Next: Extensions and Hacking,  Prev: Publishing,  Up: Top

12 Miscellaneous
****************

* Menu:

* Completion::                  M-TAB knows what you need
* Customization::               Adapting Org-mode to your taste
* In-buffer settings::          Overview of the #+KEYWORDS
* The very busy C-c C-c key::   When in doubt, press C-c C-c
* Clean view::                  Getting rid of leading stars in the outline
* TTY keys::                    Using Org-mode on a tty
* Interaction::                 Other Emacs packages
* Bugs::                        Things which do not work perfectly

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File: org,  Node: Completion,  Next: Customization,  Prev: Miscellaneous,  Up: Miscellaneous

12.1 Completion
===============

Org-mode supports in-buffer completion.  This type of completion does
not make use of the minibuffer.  You simply type a few letters into the
buffer and use the key to complete text right there.

`M-<TAB>'
     Complete word at point
        * At the beginning of a headline, complete TODO keywords.

        * After `\', complete TeX symbols supported by the exporter.

        * After `*', complete headlines in the current buffer so that
          they can be used in search links like `[[*find this
          headline]]'.

        * After `:', complete tags.  The list of tags is taken from the
          variable `org-tag-alist' (possibly set through the `#+TAGS'
          in-buffer option, *note Setting tags::), or it is created
          dynamically from all tags used in the current buffer.

        * After `[', complete link abbreviations (*note Link
          abbreviations::).

        * After `#+', complete the special keywords like `TYP_TODO' or
          `OPTIONS' which set file-specific options for Org-mode.  When
          the option keyword is already complete, pressing `M-<TAB>'
          again will insert example settings for this keyword.

        * In the line after `#+STARTUP: ', complete startup keywords,
          i.e. valid keys for this line.

        * Elsewhere, complete dictionary words using ispell.

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File: org,  Node: Customization,  Next: In-buffer settings,  Prev: Completion,  Up: Miscellaneous

12.2 Customization
==================

There are more than 170 variables that can be used to customize
Org-mode.  For the sake of compactness of the manual, I am not
describing the variables here.  A structured overview of customization
variables is available with `M-x org-customize'.  Or select `Browse Org
Group' from the `Org->Customization' menu.  Many settings can also be
activated on a per-file basis, by putting special lines into the buffer
(*note In-buffer settings::).

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File: org,  Node: In-buffer settings,  Next: The very busy C-c C-c key,  Prev: Customization,  Up: Miscellaneous

12.3 Summary of in-buffer settings
==================================

Org-mode uses special lines in the buffer to define settings on a
per-file basis.  These lines start with a `#+' followed by a keyword, a
colon, and then individual words defining a setting.  Several setting
words can be in the same line, but you can also have multiple lines for
the keyword.  While these settings are described throughout the manual,
here is a summary.  After changing any of those lines in the buffer,
press `C-c C-c' with the cursor still in the line to activate the
changes immediately.  Otherwise they become effective only when the
file is visited again in a new Emacs session.

`#+STARTUP:'
     This line sets options to be used at startup of org-mode, when an
     Org-mode file is being visited.  The first set of options deals
     with the initial visibility of the outline tree.  The
     corresponding variable for global default settings is
     `org-startup-folded', with a default value `t', which means
     `overview'.
          overview   top-level headlines only
          content    all headlines
          showall    no folding at all, show everything
     Then there are options for aligning tables upon visiting a file.
     This is useful in files containing narrowed table columns.  The
     corresponding variable is `org-startup-align-all-tables', with a
     default value `nil'.
          align      align all tables
          noalign    don't align tables on startup
     Logging when a TODO item is marked DONE (variable `org-log-done')
     can be configured using these options.
          logging    record a timestamp when an item is marked DONE
          nologging  don't record when items are marked DONE
     Here are the options for hiding leading stars in outline headings.
     The corresponding variables are `org-hide-leading-stars' and
     `org-odd-levels-only', both with a default setting `nil' (meaning
     `showstars' and `oddeven').
          hidestars  make all but one of the stars starting a headline invisible.
          showstars  show all stars starting a headline
          odd        allow only odd outline levels (1,3,...)
          oddeven    allow all outline levels
     To turn on custom format overlays over time stamps (variables
     `org-put-time-stamp-overlays' and
     `org-time-stamp-overlay-formats'), use
          customtime overlay custom time format

`#+SEQ_TODO:   #+TYP_TODO:'
     These lines set the TODO keywords and their interpretation in the
     current file.  The corresponding variables are `org-todo-keywords'
     and `org-todo-interpretation'.

`#+TAGS:  TAG1(c1) TAG2(c2)'
     These lines (several such lines are allowed) specify the legal
     tags in this file, and (potentially) the corresponding _fast tag
     selection_ keys.  The corresponding variable is `org-tag-alist'.

`#+LINK:  linkword replace'
     These lines (several are allowed) specify link abbreviations.
     *Note Link abbreviations::.  The corresponding variable is
     `org-link-abbrev-alist'.

`#+CATEGORY:'
     This line sets the category for the agenda file.  The category
     applies for all subsequent lines until the next `#+CATEGORY' line,
     or the end of the file.

`#+TBLFM:'
     This line contains the formulas for the table directly above the
     line.

`#+TITLE:, #+AUTHOR:, #+EMAIL:, #+LANGUAGE:, #+TEXT:, #+OPTIONS:'
     These lines provide settings for exporting files.  For more
     details see *Note Export options::.

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File: org,  Node: The very busy C-c C-c key,  Next: Clean view,  Prev: In-buffer settings,  Up: Miscellaneous

12.4 The very busy C-c C-c key
==============================

The key `C-c C-c' has many purposes in org-mode, which are all
mentioned scattered throughout this manual.  One specific function of
this key is to add _tags_ to a headline (*note Tags::).  In many other
circumstances it means something like _Hey Org-mode, look here and
update according to what you see here_.  Here is a summary of what this
means in different contexts.

   - If there are highlights in the buffer from the creation of a sparse
     tree, or from clock display, remove these highlights.

   - If the cursor is in one of the special `#+KEYWORD' lines, this
     triggers scanning the buffer for these lines and updating the
     information.

   - If the cursor is inside a table, realign the table.  This command
     works even if the automatic table editor has been turned off.

   - If the cursor is on a `#+TBLFM' line, re-apply the formulas to the
     entire table.

   - If the cursor is inside a table created by the `table.el' package,
     activate that table.

   - If the current buffer is a remember buffer, close the note and
     file it.  With a prefix argument, file it, without further
     interaction, to the default location.

   - If the cursor is on a `<<<target>>>', update radio targets and
     corresponding links in this buffer.

   - If the cursor is in a plain list item with a checkbox, toggle the
     status of the checkbox.

   - If the cursor is on a numbered item in a plain list, renumber the
     ordered list.

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File: org,  Node: Clean view,  Next: TTY keys,  Prev: The very busy C-c C-c key,  Up: Miscellaneous

12.5 A cleaner outline view
===========================

Some people find it noisy and distracting that the Org-mode headlines
are starting with a potentially large number of stars.  For example the
tree from *Note Headlines:::

     * Top level headline
     ** Second level
     *** 3rd level
         some text
     *** 3rd level
         more text
     * Another top level headline

Unfortunately this is deeply ingrained into the code of Org-mode and
cannot be easily changed.  You can, however, modify the display in such
a way that all leading stars become invisible and the outline more easy
to read.  To do this, customize the variable `org-hide-leading-stars'
like this:

     (setq org-hide-leading-stars t)

or change this on a per-file basis with one of the lines (anywhere in
the buffer)

     #+STARTUP: showstars
     #+STARTUP: hidestars

Press `C-c C-c' with the cursor in a `STARTUP' line to activate the
modifications.

   With stars hidden, the tree becomes:

     * Top level headline
      * Second level
       * 3rd level
         some text
       * 3rd level
         more text
     * Another top level headline

Note that the leading stars are not truly replaced by whitespace, they
are only fontified with the face `org-hide' that uses the background
color as font color.  If you are not using either white or black
background, you may have to customize this face to get the wanted
effect.  Another possibility is to set this font such that the extra
stars are almost invisible, for example using the color `grey90' on a
white background.

   Things become cleaner still if you skip all the even levels and use
only odd levels 1, 3, 5..., effectively adding two stars to go from one
outline level to the next:

     * Top level headline
       * Second level
         * 3rd level
           some text
         * 3rd level
           more text
     * Another top level headline

In order to make the structure editing and export commands handle this
convention correctly, use

     (setq org-odd-levels-only t)

or set this on a per-file basis with one of the following lines (don't
forget to press `C-c C-c' with the cursor in the startup line to
activate changes immediately).

     #+STARTUP: odd
     #+STARTUP: oddeven

   You can convert an Org-mode file from single-star-per-level to the
double-star-per-level convention with `M-x org-convert-to-odd-levels
RET' in that file.  The reverse operation is `M-x
org-convert-to-oddeven-levels'.

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File: org,  Node: TTY keys,  Next: Interaction,  Prev: Clean view,  Up: Miscellaneous

12.6 Using org-mode on a tty
============================

Org-mode uses a number of keys that are not accessible on a tty.  This
applies to most special keys like cursor keys, <TAB> and <RET>, when
these are combined with modifier keys like <Meta> and/or <Shift>.
Org-mode uses these bindings because it needs to provide keys for a
large number of commands, and because these keys appeared particularly
easy to remember.  In order to still be able to access the core
functionality of Org-mode on a tty, alternative bindings are provided.
Here is a complete list of these bindings, which are obviously more
cumbersome to use.  Note that sometimes a work-around can be better.
For example changing a time stamp is really only fun with `S-<cursor>'
keys.  On a tty you would rather use `C-c .'  to re-insert the
timestamp.

Default     Alternative 1  Alternative 2
`S-<TAB>'   `C-u <TAB>'    
`M-<left>'  `C-c C-x l'    `<Esc> <left>'
`M-S-<left>'`C-c C-x L'    
`M-<right>' `C-c C-x r'    `<Esc>
                           <right>'
`M-S-<right>'`C-c C-x R'    
`M-<up>'    `C-c C-x u'    `<Esc> <up>'
`M-S-<up>'  `C-c C-x U'    
`M-<down>'  `C-c C-x d'    `<Esc> <down>'
`M-S-<down>'`C-c C-x D'    
`S-<RET>'   `C-c C-x c'    
`M-<RET>'   `C-c C-x m'    `<Esc> <RET>'
`M-S-<RET>' `C-c C-x M'    
`S-<left>'  `C-c C-x       
            <left>'        
`S-<right>' `C-c C-x       
            <right>'       
`S-<up>'    `C-c C-x       
            <up>'          
`S-<down>'  `C-c C-x       
            <down>'        

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File: org,  Node: Interaction,  Next: Bugs,  Prev: TTY keys,  Up: Miscellaneous

12.7 Interaction with other packages
====================================

Org-mode lives in the world of GNU Emacs and interacts in various ways
with other code out there.

* Menu:

* Cooperation::                 Packages Org-mode cooperates with
* Conflicts::                   Packages that lead to conflicts

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File: org,  Node: Cooperation,  Next: Conflicts,  Prev: Interaction,  Up: Interaction

12.7.1 Packages that Org-mode cooperates with
---------------------------------------------

`calc.el' by Dave Gillespie
     Org-mode uses the calc package for implementing spreadsheet
     functionality in its tables (*note Table calculations::).
     Org-modes checks for the availability of calc by looking for the
     function `calc-eval' which should be autoloaded in your setup if
     calc has been installed properly.  As of Emacs 22, calc is part of
     the Emacs distribution.  Another possibility for interaction
     between the two packages is using calc for embedded calculations.
     *Note Embedded Mode: (calc)Embedded Mode.  

`constants.el' by Carsten Dominik
     In a table formula (*note Table calculations::), it is possible to
     use names for natural constants or units.  Instead of defining
     your own constants in the variable `org-table-formula-constants',
     install the `constants' package which defines a large number of
     constants and units, and lets you use unit prefixes like `M' for
     `Mega' etc.  You will need version 2.0 of this package, available
     at `http://www.astro.uva.nl/~dominik/Tools'. Org-mode checks for
     the function `constants-get', which has to be autoloaded in your
     setup.  See the installation instructions in the file
     `constants.el'.

`cdlatex.el' by Carsten Dominik
     Org-mode can make use of the cdlatex package to efficiently enter
     LaTeX fragments into Org-mode files. See *Note CDLaTeX mode::.

`remember.el' by John Wiegley
     Org mode cooperates with remember, see *Note Remember::.
     `Remember.el' is not part of Emacs, find it on the web.  

`table.el' by Takaaki Ota
     Org mode cooperates with table.el, see *Note table.el::.
     `table.el' is part of Emacs 22.

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File: org,  Node: Conflicts,  Prev: Cooperation,  Up: Interaction

12.7.2 Packages that lead to conflicts with Org-mode
----------------------------------------------------

`allout.el' by Ken Manheimer
     Startup of Org-mode may fail with the error message
     `(wrong-type-argument keymapp nil)' when there is an outdated
     version `allout.el' on the load path, for example the version
     distributed with Emacs 21.x.  Upgrade to Emacs 22 and this problem
     will disappear.  If for some reason you cannot do this, make sure
     that org.el is loaded _before_ `allout.el', for example by putting
     `(require 'org)' early enough into your `.emacs' file.

`CUA.el' by Kim. F. Storm
     Keybindings in Org-mode conflict with the `S-<cursor>' keys used
     by CUA-mode (as well as pc-select-mode and s-region-mode) to
     select and extend the region.  If you want to use one of these
     packages along with Org-mode, configure the variable
     `org-CUA-compatible'.  When set, Org-mode will move the following
     keybindings in org-mode files, and in the agenda buffer (but not
     during date selection).

          S-UP    -> M-p             S-DOWN  -> M-n
          S-LEFT  -> M--             S-RIGHT -> M-+
          S-RET   -> C-S-RET

     Yes, these are unfortunately more difficult to remember.  If you
     want to have other replacement keys, look at the variable
     `org-disputed-keys'.

`windmove.el' by Hovav Shacham
     Also this package uses the `S-<cursor>' keys, so everything written
     in the paragraph above about CUA mode also applies here.

\x1f
File: org,  Node: Bugs,  Prev: Interaction,  Up: Miscellaneous

12.8 Bugs
=========

Here is a list of things that should work differently, but which I have
found too hard to fix.

   * If a table field starts with a link, and if the corresponding table
     column is narrowed (*note Narrow columns::) to a width too small to
     display the link, the field would look entirely empty even though
     it is not.  To prevent this, Org-mode throws an error.  The
     work-around is to make the column wide enough to fit the link, or
     to add some text (at least 2 characters) before the link in the
     same field.

   * Narrowing table columns does not work on XEmacs, because the
     `format' function does not transport text properties.

   * Text in an entry protected with the `QUOTE' keyword should not
     autowrap.

   * When the application called by `C-c C-o' to open a file link fails
     (for example because the application does not exist or refuses to
     open the file), it does so silently.  No error message is
     displayed.

   * Recalculating a table line applies the formulas from left to right.
     If a formula uses _calculated_ fields further down the row,
     multiple recalculation may be needed to get all fields consistent.

   * A single letter cannot be made bold, for example `*a*'.

   * The exporters work well, but could be made more efficient.

\x1f
File: org,  Node: Extensions and Hacking,  Next: History and Acknowledgments,  Prev: Miscellaneous,  Up: Top

Appendix A Extensions, Hooks and Hacking
****************************************

This appendix lists extensions for Org-mode written by other authors.
It also covers some aspects where users can extend the functionality of
Org-mode.

* Menu:

* Extensions::                  Existing 3rd-part extensions
* Dynamic blocks::              Automatically filled blocks
* Special agenda views::

\x1f
File: org,  Node: Extensions,  Next: Dynamic blocks,  Prev: Extensions and Hacking,  Up: Extensions and Hacking

A.1 Third-party extensions for Org-mode
=======================================

The following extensions for Org-mode have been written by other people:

`org-publish.el' by David O'Toole
     This package provides facilities for publishing related sets of
     Org-mode files together with linked files like images as a
     webpages.  It is highly configurable and can be used for other
     publishing purposes as well.  As of Org-mode version 4.30,
     `org-publish.el' is part of the Org-mode distribution.  It is not
     yet part of Emacs, however, a delay caused by the preparations for
     the 22.1 release.  In the mean time, `org-publish.el' can be
     downloaded from David's site:
     `http://dto.freeshell.org/e/org-publish.el'.  

`org-mouse.el' by Piotr Zielinski
     This package implements extended mouse functionality for Org-mode.
     It allows you to cycle visibility and to edit the document
     structure with the mouse.  Best of all, it provides a
     context-sensitive menu on <mouse-3> that changes depending on the
     context of a mouse-click.  As of Org-mode version 4.53,
     `org-mouse.el' is part of the Org-mode distribution.  It is not
     yet part of Emacs, however, a delay caused by the preparations for
     the 22.1 release.  In the mean time, `org-mouse.el' can be
     downloaded from Piotr's site:
     `http://www.cl.cam.ac.uk/~pz215/files/org-mouse.el'.  

`org-blog.el' by David O'Toole
     A blogging plug-in for `org-publish.el'.
     `http://dto.freeshell.org/notebook/OrgMode.html'.  

`blorg.el' by  Bastien Guerry
     Publish Org-mode files as blogs.
     `http://www.cognition.ens.fr/~guerry/blorg.html'.

\x1f
File: org,  Node: Dynamic blocks,  Next: Special agenda views,  Prev: Extensions,  Up: Extensions and Hacking

A.2 Dynamic blocks
==================

Org-mode documents can contain _dynamic blocks_.  These are specially
marked regions that are updated by some user-written function.  A good
example for such a block is the clock table inserted by the command
`C-c C-x C-r' (*note Clocking work time::).

   Dynamic block are enclosed by a BEGIN-END structure that assigns a
name to the block and can also specify parameters for the function
producing the content of the block.

     #+BEGIN: myblock :parameter1 value1 :parameter2 value2 ...

     #+END:

   Dynamic blocks are updated with the following commands

`C-c C-x C-u'
     Update dynamic block at point.  

`C-u C-c C-x C-u'
     Update all dynamic blocks in the current file.

   Updating a dynamic block means to remove all the text between BEGIN
and END, parse the BEGIN line for parameters and then call the specific
writer function for this block to insert the new content.  For a block
with name `myblock', the writer function is `org-dblock-write:myblock'
with as only parameter a property list with the parameters given in the
begin line.  Here is a trivial example of a block that keeps track of
when the block update function was last run:

     #+BEGIN: block-update-time :format "on %m/%d/%Y at %H:%M"

     #+END:

The corresponding block writer function could look like this:

     (defun org-dblock-write:block-update-time (params)
        (let ((fmt (or (plist-get params :format) "%d. %m. %Y")))
          (insert "Last block update at: "
                  (format-time-string fmt (current-time)))))

   If you want to make sure that all dynamic blocks are always
up-to-date, you could add the function `org-update-all-dblocks' to a
hook, for example `before-save-hook'.  `org-update-all-dblocks' is
written in a way that is does nothing in buffers that are not in
Org-mode.

\x1f
File: org,  Node: Special agenda views,  Prev: Dynamic blocks,  Up: Extensions and Hacking

A.3 Special Agenda Views
========================

Org-mode provides a special hook that can be used to narrow down the
selection made by any of the agenda views.  You may specify a function
that is used at each match to verify if the match should indeed be part
of the agenda view, and if not, how much should be skipped.

   Let's say you want to produce a list of projects that contain a
WAITING tag anywhere in the project tree.  Let's further assume that
you have marked all tree headings that define a project with the todo
keyword PROJECT.  In this case you would run a todo search for the
keyword PROJECT, but skip the match unless there is a WAITING tag
anywhere in the subtree belonging to the project line..

   To achieve this, you must write a function that searches the subtree
for the tag.  If the tag is found, the function must return `nil' to
indicate that this match should not be skipped.  If there is no such
tag, return the location of the end of the subtree, to indicate that
search should continue from there.

     (defun my-skip-unless-waiting ()
       "Skip trees that are not waiting"
       (let ((subtree-end (save-excursion (org-end-of-subtree t))))
         (if (re-search-forward ":WAITING:" subtree-end t)
             nil          ; tag found, do not skip
           subtree-end))) ; tag not found, continue after end of subtree

   Furthermore you must write a command that uses `let' to temporarily
puts this function into the variable `org-agenda-skip-function', sets
the header string for the agenda buffer, and calls the todo-list
generator while asking for the specific TODO keyword PROJECT.  The
function must also accept one argument MATCH, but it can choose to
ignore it(1) (as we do in the example below).  Here is the example:

     (defun my-org-waiting-projects (&optional match)
       "Produce a list of projects that contain a WAITING tag.
     MATCH is being ignored."
       (interactive)
       (let ((org-agenda-skip-function 'my-skip-unless-waiting)
             (org-agenda-overriding-header "Projects waiting for something: "))
         ;; make the list
         (org-todo-list "PROJECT")))

   ---------- Footnotes ----------

   (1) MATCH must be present in case you want to define a custom
command for producing this special list.  Custom commands always supply
the MATCH argument, but it can be empty if you do not specify it while
defining the command(*note Custom agenda views::).

\x1f
File: org,  Node: History and Acknowledgments,  Next: Index,  Prev: Extensions and Hacking,  Up: Top

Appendix B History and Acknowledgments
**************************************

Org-mode was borne in 2003, out of frustration over the user interface
of the Emacs outline-mode.  All I wanted was to make working with an
outline tree possible without having to remember more than 10 commands
just for hiding and unhiding parts of the outline tree, and to allow to
restructure a tree easily.  Visibility cycling and structure editing
were originally implemented in the package `outline-magic.el', but
quickly moved to the more general `org.el'.  TODO entries, basic time
stamps, and table support were added next, and highlight the two main
goals that Org-mode still has today: To create a new, outline-based,
plain text mode with innovative and intuitive editing features, and to
incorporate project planning functionality directly into a notes file.

   Since the first release, hundreds of emails to me or on
`emacs-orgmode@gnu.org' have provided a constant stream of bug reports,
feedback, new ideas, and sometimes even patches and add-on code.  Many
thanks to everyone who has helped to improve this package.  I am trying
to keep here a list of the people who had significant influence in
shaping one or more aspects of Org-mode.  The list may not be complete,
if I have forgotten someone, please accept my apologies and let me know.

   * Thomas Baumann contributed the code for links to the MH-E email
     system.

   * Alex Bochannek provided a patch for rounding time stamps.

   * Charles Cave's suggestion sparked the implementation of templates
     for Remember.

   * Pavel Chalmoviansky influenced the agenda treatment of items with
     specified time.

   * Gregory Chernov patched support for lisp forms into table
     calculations and improved XEmacs compatibility, in particular by
     porting `nouline.el' to XEmacs.

   * Sacha Chua suggested to copy some linking code from Planner.

   * Eddward DeVilla proposed and tested checkbox statistics.

   * Kees Dullemond inspired the use of narrowed tabled columns.

   * Christian Egli converted the documentation into TeXInfo format,
     patched CSS formatting into the HTML exporter, and inspired the
     agenda.

   * Nic Ferrier contributed mailcap and XOXO support.

   * Niels Giessen had the idea to automatically archive DONE trees.

   * Bastien Guerry provided extensive feedback.

   * Kai Grossjohann pointed out key-binding conflicts with other
     packages.

   * Leon Liu asked for embedded LaTeX and tested it.

   * Stefan Monnier provided a patch to keep the Emacs-Lisp compiler
     happy.

   * Todd Neal provided patches for links to Info files and elisp forms.

   * Tim O'Callaghan suggested in-file links, search options for general
     file links, and TAGS.

   * Oliver Oppitz suggested multi-state TODO items.

   * Scott Otterson sparked the introduction of descriptive text for
     links, among other things.

   * Pete Phillips helped during the development of the TAGS feature,
     and provided frequent feedback.

   * T.V. Raman reported bugs and suggested improvements.

   * Matthias Rempe (Oelde) provided ideas, Windows support, and quality
     control.

   * Kevin Rogers contributed code to access VM files on remote hosts.

   * Frank Ruell solved the mystery of the `keymapp nil' bug, a
     conflict with `allout.el'.

   * Jason Riedy sent a patch to fix a bug with export of TODO keywords.

   * Philip Rooke created the Org-mode reference card and provided lots
     of feedback.

   * Christian Schlauer proposed angular brackets around links, among
     other things.

   * Linking to VM/BBDB/GNUS was inspired by Tom Shannon's
     `organizer-mode.el'.

   * Daniel Sinder came up with the idea of internal archiving by
     locking subtrees.

   * Dale Smith proposed link abbreviations.

   * David O'Toole wrote `org-publish.el' and drafted the manual
     chapter about publishing.

   * Ju"rgen Vollmer contributed code generating the table of contents
     in HTML output.

   * Chris Wallace provided a patch implementing the `QUOTE' keyword.

   * David Wainberg suggested archiving, and improvements to the linking
     system.

   * John Wiegley wrote `emacs-wiki.el' and `planner.el'.  The
     development of Org-mode was fully independent, and both systems are
     really different beasts in their basic ideas and implementation
     details.  I later looked at John's code, however, and learned from
     his implementation of (i) links where the link itself is hidden
     and only a description is shown, and (ii) popping up a calendar to
     select a date.

   * Carsten Wimmer suggested some changes and helped fix a bug in
     linking to GNUS.

   * Roland Winkler requested additional keybindings to make Org-mode
     work on a tty.

   * Piotr Zielinski wrote `org-mouse.el', proposed agenda blocks and
     contributed various ideas and code snippets.

\x1f
File: org,  Node: Index,  Next: Key Index,  Prev: History and Acknowledgments,  Up: Top

Index
*****

\0\b[index\0\b]
* Menu:

* abbreviation, links:                   Link abbreviations.  (line   6)
* acknowledgments:                       History and Acknowledgments.
                                                              (line   6)
* action, for publishing:                Publishing action.   (line   6)
* activation:                            Activation.          (line   6)
* active region <1>:                     HTML export.         (line  10)
* active region <2>:                     ASCII export.        (line   9)
* active region <3>:                     Built-in table editor.
                                                              (line 171)
* active region:                         Structure editing.   (line  64)
* agenda:                                Weekly/Daily agenda. (line   6)
* agenda dispatcher:                     Agenda dispatcher.   (line   6)
* agenda files:                          Agenda files.        (line   6)
* agenda files, removing buffers:        Agenda commands.     (line 230)
* agenda views:                          Agenda views.        (line   6)
* agenda views, custom:                  Custom agenda views. (line   6)
* agenda, batch production:              Batch processing.    (line   6)
* agenda, with block views:              Block agenda.        (line   6)
* allout.el:                             Conflicts.           (line   6)
* angular brackets, around links:        External links.      (line  38)
* applescript, for calendar update:      iCalendar export.    (line  38)
* archive locations:                     Moving subtrees.     (line  21)
* archiving:                             Archiving.           (line   6)
* ASCII export:                          ASCII export.        (line   6)
* author:                                Feedback.            (line   6)
* autoload:                              Activation.          (line   6)
* backtrace of an error:                 Feedback.            (line  27)
* BBDB links:                            External links.      (line   6)
* block agenda:                          Block agenda.        (line   6)
* blorg.el:                              Extensions.          (line  33)
* bold text:                             Enhancing text.      (line  15)
* Boolean logic, for tag searches:       Tag searches.        (line  23)
* bug reports:                           Feedback.            (line   6)
* bugs:                                  Bugs.                (line   6)
* C-c C-c, overview:                     The very busy C-c C-c key.
                                                              (line   6)
* calc package:                          Table calculations.  (line   6)
* calc.el:                               Cooperation.         (line   6)
* calculations, in tables <1>:           Table calculations.  (line   6)
* calculations, in tables:               Built-in table editor.
                                                              (line 141)
* calendar commands, from agenda:        Agenda commands.     (line 191)
* calendar integration:                  Weekly/Daily agenda. (line  24)
* calendar, for selecting date:          The date/time prompt.
                                                              (line  26)
* CamelCase link completion:             Completion.          (line   6)
* CamelCase links:                       Internal links.      (line   6)
* CamelCase links, completion of:        CamelCase links.     (line   6)
* category:                              Categories.          (line   6)
* CDLaTeX:                               CDLaTeX mode.        (line   6)
* cdlatex.el:                            Cooperation.         (line  29)
* checkbox statistics:                   Checkboxes.          (line  23)
* checkboxes:                            Checkboxes.          (line   6)
* children, subtree visibility state:    Visibility cycling.  (line  10)
* clean outline view:                    Clean view.          (line   6)
* CLOCK keyword:                         Time stamps.         (line  71)
* CLOSED keyword:                        Time stamps.         (line  65)
* column formula:                        Column formulas.     (line   6)
* commands, in agenda buffer:            Agenda commands.     (line   6)
* comment lines:                         Comment lines.       (line   6)
* completion, of CamelCase links <1>:    Completion.          (line   6)
* completion, of CamelCase links:        CamelCase links.     (line   6)
* completion, of dictionary words:       Completion.          (line   6)
* completion, of file names:             Handling links.      (line  43)
* completion, of links:                  Handling links.      (line  27)
* completion, of option keywords <1>:    Completion.          (line   6)
* completion, of option keywords:        Export options.      (line   6)
* Completion, of option keywords:        Per file keywords.   (line  17)
* completion, of tags <1>:               Completion.          (line   6)
* completion, of tags:                   Setting tags.        (line  11)
* completion, of TeX symbols:            Completion.          (line   6)
* completion, of TODO keywords <1>:      Completion.          (line   6)
* completion, of TODO keywords:          Workflow states.     (line  12)
* constants, in calculations:            Formula syntax.      (line  26)
* constants.el:                          Cooperation.         (line  14)
* contents, global visibility state:     Visibility cycling.  (line  22)
* copying, of subtrees:                  Structure editing.   (line   6)
* creating timestamps:                   Creating timestamps. (line   6)
* CUA.el:                                Conflicts.           (line  15)
* custom agenda views:                   Custom agenda views. (line   6)
* custom date/time format:               Custom time format.  (line   6)
* custom search strings:                 Custom searches.     (line   6)
* customization:                         Customization.       (line   6)
* cutting, of subtrees:                  Structure editing.   (line   6)
* cycling, of TODO states:               TODO basics.         (line  13)
* cycling, visibility:                   Visibility cycling.  (line   6)
* daily agenda:                          Weekly/Daily agenda. (line   6)
* date format, custom:                   Custom time format.  (line   6)
* date stamps <1>:                       Time stamps.         (line   6)
* date stamps:                           Timestamps.          (line   6)
* date, reading in minibuffer:           The date/time prompt.
                                                              (line   6)
* DEADLINE keyword:                      Time stamps.         (line  53)
* deadlines:                             Time stamps.         (line   6)
* demotion, of subtrees:                 Structure editing.   (line   6)
* diary entries, creating from agenda:   Agenda commands.     (line 198)
* diary integration:                     Weekly/Daily agenda. (line  24)
* dictionary word completion:            Completion.          (line   6)
* directories, for publishing:           Sources and destinations.
                                                              (line   6)
* dispatching agenda commands:           Agenda dispatcher.   (line   6)
* display changing, in agenda:           Agenda commands.     (line  65)
* document structure:                    Document structure.  (line   6)
* DONE, final TODO keyword:              Per file keywords.   (line  20)
* editing tables:                        Tables.              (line   6)
* editing, of table formulas:            Editing/debugging formulas.
                                                              (line   6)
* elisp links:                           External links.      (line   6)
* emphasized text:                       Export options.      (line  25)
* enhancing text:                        Enhancing text.      (line   6)
* evaluate time range:                   Creating timestamps. (line  66)
* exporting:                             Exporting.           (line   6)
* exporting, not:                        Comment lines.       (line   6)
* extended TODO keywords:                TODO extensions.     (line   6)
* external archiving:                    Moving subtrees.     (line   6)
* external links:                        External links.      (line   6)
* external links, in HTML export:        HTML export.         (line  35)
* FAQ:                                   Summary.             (line  51)
* feedback:                              Feedback.            (line   6)
* file links:                            External links.      (line   6)
* file links, searching:                 Search options.      (line   6)
* file name completion:                  Handling links.      (line  43)
* files for agenda:                      Agenda files.        (line   6)
* files, adding to agenda list:          Agenda files.        (line  12)
* files, selecting for publishing:       Selecting files.     (line   6)
* fixed width:                           Enhancing text.      (line  25)
* fixed-width sections:                  Export options.      (line  25)
* folded, subtree visibility state:      Visibility cycling.  (line  10)
* folding, sparse trees:                 Sparse trees.        (line   6)
* following links:                       Handling links.      (line  58)
* format specifier:                      Formula syntax.      (line  34)
* format, of links:                      Link format.         (line   6)
* formula editing:                       Editing/debugging formulas.
                                                              (line   6)
* formula syntax:                        Formula syntax.      (line   6)
* formula, for named table field:        Named-field formulas.
                                                              (line   6)
* formula, for table column:             Column formulas.     (line   6)
* formula, in tables:                    Built-in table editor.
                                                              (line 141)
* global cycling:                        Visibility cycling.  (line  22)
* global keybindings:                    Activation.          (line   6)
* global TODO list:                      Global TODO list.    (line   6)
* global visibility states:              Visibility cycling.  (line  22)
* GNUS links:                            External links.      (line   6)
* hand-formatted lists:                  Enhancing text.      (line  11)
* headline levels:                       Export options.      (line  25)
* headline levels, for exporting <1>:    HTML export.         (line  21)
* headline levels, for exporting:        ASCII export.        (line  18)
* headline navigation:                   Motion.              (line   6)
* headline tagging:                      Tags.                (line   6)
* headline, promotion and demotion:      Structure editing.   (line   6)
* headlines:                             Headlines.           (line   6)
* hide text:                             Visibility cycling.  (line   6)
* hiding leading stars:                  Clean view.          (line   6)
* history:                               History and Acknowledgments.
                                                              (line   6)
* HTML export:                           HTML export.         (line   6)
* hyperlinks:                            Hyperlinks.          (line   6)
* iCalendar export:                      iCalendar export.    (line   6)
* in-buffer settings:                    In-buffer settings.  (line   6)
* inactive timestamp:                    Time stamps.         (line  24)
* index, of published pages:             Project page index.  (line   6)
* Info links:                            External links.      (line   6)
* inheritance, of tags:                  Tag inheritance.     (line   6)
* inserting links:                       Handling links.      (line  27)
* installation:                          Installation.        (line   6)
* internal archiving:                    ARCHIVE tag.         (line   6)
* internal links:                        Internal links.      (line   6)
* internal links, in HTML export:        HTML export.         (line  35)
* introduction:                          Introduction.        (line   6)
* italic text:                           Enhancing text.      (line  15)
* jumping, to headlines:                 Motion.              (line   6)
* keybindings, global:                   Activation.          (line   6)
* keyword options:                       Per file keywords.   (line   6)
* LaTeX fragments <1>:                   Export options.      (line  25)
* LaTeX fragments:                       LaTeX fragments.     (line   6)
* LaTeX fragments, export:               Enhancing text.      (line  18)
* LaTeX fragments, preview:              Processing LaTeX fragments.
                                                              (line   6)
* LaTeX interpretation:                  Embedded LaTeX.      (line   6)
* level, require for tags match:         Tag searches.        (line  68)
* linebreak preservation:                Export options.      (line  25)
* linebreak, forced:                     Enhancing text.      (line  32)
* link abbreviations:                    Link abbreviations.  (line   6)
* link completion:                       Handling links.      (line  27)
* link format:                           Link format.         (line   6)
* links, external:                       External links.      (line   6)
* links, handling:                       Handling links.      (line   6)
* links, in HTML export:                 HTML export.         (line  35)
* links, internal:                       Internal links.      (line   6)
* links, publishing:                     Publishing links.    (line   6)
* links, radio targets:                  Radio targets.       (line   6)
* links, returning to:                   Handling links.      (line  85)
* Lisp forms, as table formulas:         Lisp formulas.       (line   6)
* lists, hand-formatted:                 Enhancing text.      (line  11)
* lists, ordered:                        Plain lists.         (line   6)
* lists, plain:                          Plain lists.         (line   6)
* logging, of progress:                  Progress logging.    (line   6)
* maintainer:                            Feedback.            (line   6)
* mark ring:                             Handling links.      (line  81)
* marking characters, tables:            Advanced features.   (line  34)
* matching, of tags:                     Matching headline tags.
                                                              (line   6)
* matching, tags:                        Tags.                (line   6)
* math symbols:                          Math symbols.        (line   6)
* MH-E links:                            External links.      (line   6)
* minor mode for tables:                 orgtbl-mode.         (line   6)
* mode, for calc:                        Formula syntax.      (line  34)
* motion commands in agenda:             Agenda commands.     (line  19)
* motion, between headlines:             Motion.              (line   6)
* name, of column or field:              Formula syntax.      (line  26)
* named field formula:                   Named-field formulas.
                                                              (line   6)
* names as TODO keywords:                TODO types.          (line   6)
* narrow columns in tables:              Narrow columns.      (line   6)
* occur, command:                        Sparse trees.        (line   6)
* option keyword completion:             Completion.          (line   6)
* options, for custom agenda views:      Setting Options.     (line   6)
* options, for customization:            Customization.       (line   6)
* options, for export:                   Export options.      (line   6)
* options, for publishing:               Publishing options.  (line   6)
* ordered lists:                         Plain lists.         (line   6)
* org-agenda, command:                   Weekly/Daily agenda. (line   9)
* org-blog.el:                           Extensions.          (line  29)
* org-mode, turning on:                  Activation.          (line  22)
* org-mouse.el:                          Extensions.          (line  17)
* org-publish-project-alist:             Project alist.       (line   6)
* org-publish.el:                        Extensions.          (line   8)
* orgtbl-mode:                           orgtbl-mode.         (line   6)
* outline tree:                          Headlines.           (line   6)
* outline-mode:                          Outlines.            (line   6)
* outlines:                              Outlines.            (line   6)
* overview, global visibility state:     Visibility cycling.  (line  22)
* packages, interaction with other:      Interaction.         (line   6)
* pasting, of subtrees:                  Structure editing.   (line   6)
* per file keywords:                     Per file keywords.   (line   6)
* plain lists:                           Plain lists.         (line   6)
* plain text external links:             External links.      (line  38)
* presentation, of agenda items:         Presentation and sorting.
                                                              (line   6)
* printing sparse trees:                 Sparse trees.        (line  41)
* priorities:                            Priorities.          (line   6)
* priorities, of agenda items:           Sorting of agenda items.
                                                              (line   6)
* progress logging:                      Progress logging.    (line   6)
* projects, for publishing:              Project alist.       (line   6)
* promotion, of subtrees:                Structure editing.   (line   6)
* publishing:                            Publishing.          (line   6)
* quoted HTML tags:                      Export options.      (line  25)
* radio targets:                         Radio targets.       (line   6)
* ranges, time:                          Time stamps.         (line   6)
* recomputing table fields:              Column formulas.     (line  27)
* region, active <1>:                    HTML export.         (line  10)
* region, active <2>:                    ASCII export.        (line   9)
* region, active <3>:                    Built-in table editor.
                                                              (line 171)
* region, active:                        Structure editing.   (line  64)
* regular expressions, with tags search: Tag searches.        (line  63)
* remember.el <1>:                       Cooperation.         (line  33)
* remember.el:                           Remember.            (line   6)
* remote editing, from agenda:           Agenda commands.     (line 106)
* remote editing, undo:                  Agenda commands.     (line 109)
* richer text:                           Enhancing text.      (line   6)
* RMAIL links:                           External links.      (line   6)
* SCHEDULED keyword:                     Time stamps.         (line  40)
* scheduling:                            Time stamps.         (line   6)
* search option in file links:           Search options.      (line   6)
* search strings, custom:                Custom searches.     (line   6)
* searching for tags:                    Tag searches.        (line   6)
* section-numbers:                       Export options.      (line  25)
* setting tags:                          Setting tags.        (line   6)
* SHELL links:                           External links.      (line   6)
* show all, command:                     Visibility cycling.  (line  31)
* show all, global visibility state:     Visibility cycling.  (line  22)
* show hidden text:                      Visibility cycling.  (line   6)
* sorting, of agenda items:              Sorting of agenda items.
                                                              (line   6)
* sparse tree, for deadlines:            Creating timestamps. (line  41)
* sparse tree, for TODO:                 TODO basics.         (line  26)
* sparse tree, tag based:                Tags.                (line   6)
* sparse trees:                          Sparse trees.        (line   6)
* special keywords:                      In-buffer settings.  (line   6)
* spreadsheet capabilities:              Table calculations.  (line   6)
* statistics, for checkboxes:            Checkboxes.          (line  23)
* storing links:                         Handling links.      (line   9)
* structure editing:                     Structure editing.   (line   6)
* structure of document:                 Document structure.  (line   6)
* sublevels, inclusion into tags match:  Tag inheritance.     (line   6)
* sublevels, inclusion into todo list:   Global TODO list.    (line  33)
* subscript:                             Subscripts and Superscripts.
                                                              (line   6)
* subtree cycling:                       Visibility cycling.  (line  10)
* subtree visibility states:             Visibility cycling.  (line  10)
* subtree, cut and paste:                Structure editing.   (line   6)
* subtree, subtree visibility state:     Visibility cycling.  (line  10)
* subtrees, cut and paste:               Structure editing.   (line   6)
* summary:                               Summary.             (line   6)
* superscript:                           Subscripts and Superscripts.
                                                              (line   6)
* syntax, of formulas:                   Formula syntax.      (line   6)
* table editor, builtin:                 Built-in table editor.
                                                              (line   6)
* table editor, table.el:                table.el.            (line   6)
* table of contents:                     Export options.      (line  25)
* table.el <1>:                          Cooperation.         (line  34)
* table.el:                              table.el.            (line   6)
* tables <1>:                            Export options.      (line  25)
* tables:                                Tables.              (line   6)
* tables, export:                        Enhancing text.      (line  21)
* tag completion:                        Completion.          (line   6)
* tag searches:                          Tag searches.        (line   6)
* tags:                                  Tags.                (line   6)
* tags view:                             Matching headline tags.
                                                              (line   6)
* tags, setting:                         Setting tags.        (line   6)
* targets, for links:                    Internal links.      (line   6)
* targets, radio:                        Radio targets.       (line   6)
* tasks, breaking down:                  Breaking down tasks. (line   6)
* templates, for remember:               Remember.            (line  23)
* TeX interpretation:                    Embedded LaTeX.      (line   6)
* TeX macros <1>:                        Export options.      (line  25)
* TeX macros:                            Math symbols.        (line   6)
* TeX macros, export:                    Enhancing text.      (line  18)
* TeX symbol completion:                 Completion.          (line   6)
* TeX-like syntax for sub- and superscripts: Export options.  (line  25)
* thanks:                                History and Acknowledgments.
                                                              (line   6)
* time format, custom:                   Custom time format.  (line   6)
* time grid:                             Time-of-day specifications.
                                                              (line  26)
* time stamps <1>:                       Time stamps.         (line   6)
* time stamps:                           Timestamps.          (line   6)
* time, reading in minibuffer:           The date/time prompt.
                                                              (line   6)
* time-of-day specification:             Time-of-day specifications.
                                                              (line   6)
* time-sorted view:                      Timeline.            (line   6)
* timeline, single file:                 Timeline.            (line   6)
* timerange:                             Time stamps.         (line  31)
* timestamp:                             Time stamps.         (line  14)
* timestamp, inactive:                   Time stamps.         (line  24)
* timestamps, creating:                  Creating timestamps. (line   6)
* TODO items:                            TODO items.          (line   6)
* TODO keyword matching:                 Global TODO list.    (line  17)
* TODO keyword matching, with tags search: Tag searches.      (line  40)
* TODO keywords completion:              Completion.          (line   6)
* TODO list, global:                     Global TODO list.    (line   6)
* TODO types:                            TODO types.          (line   6)
* TODO workflow:                         Workflow states.     (line   6)
* transient-mark-mode <1>:               HTML export.         (line  10)
* transient-mark-mode <2>:               ASCII export.        (line   9)
* transient-mark-mode <3>:               Built-in table editor.
                                                              (line 171)
* transient-mark-mode:                   Structure editing.   (line  64)
* trees, sparse:                         Sparse trees.        (line   6)
* trees, visibility:                     Visibility cycling.  (line   6)
* tty keybindings:                       TTY keys.            (line   6)
* types as TODO keywords:                TODO types.          (line   6)
* underlined text:                       Enhancing text.      (line  15)
* undoing remote-editing events:         Agenda commands.     (line 109)
* URL links:                             External links.      (line   6)
* USENET links:                          External links.      (line   6)
* variables, for customization:          Customization.       (line   6)
* vectors, in table calculations:        Formula syntax.      (line  23)
* visibility cycling:                    Visibility cycling.  (line   6)
* visible text, printing:                Sparse trees.        (line  41)
* VM links:                              External links.      (line   6)
* WANDERLUST links:                      External links.      (line   6)
* weekly agenda:                         Weekly/Daily agenda. (line   6)
* windmove.el:                           Conflicts.           (line  33)
* workflow states as TODO keywords:      Workflow states.     (line   6)
* XEmacs:                                Installation.        (line   6)
* XOXO export:                           XOXO export.         (line   6)

\x1f
File: org,  Node: Key Index,  Prev: Index,  Up: Top

Key Index
*********

\0\b[index\0\b]
* Menu:

* $:                                     Agenda commands.     (line 123)
* ':                                     CDLaTeX mode.        (line  43)
* +:                                     Agenda commands.     (line 145)
* ,:                                     Agenda commands.     (line 137)
* -:                                     Agenda commands.     (line 151)
* .:                                     Agenda commands.     (line 100)
* ::                                     Agenda commands.     (line 131)
* <:                                     The date/time prompt.
                                                              (line  29)
* <left>:                                Agenda commands.     (line  97)
* <RET> <1>:                             Agenda commands.     (line  41)
* <RET> <2>:                             Setting tags.        (line  76)
* <RET> <3>:                             The date/time prompt.
                                                              (line  54)
* <RET>:                                 Built-in table editor.
                                                              (line  64)
* <right>:                               Agenda commands.     (line  92)
* <SPC> <1>:                             Agenda commands.     (line  28)
* <SPC>:                                 Setting tags.        (line  73)
* <TAB> <1>:                             CDLaTeX mode.        (line  23)
* <TAB> <2>:                             Agenda commands.     (line  35)
* <TAB> <3>:                             Setting tags.        (line  68)
* <TAB> <4>:                             Built-in table editor.
                                                              (line  57)
* <TAB> <5>:                             Plain lists.         (line  37)
* <TAB>:                                 Visibility cycling.  (line  10)
* > <1>:                                 Agenda commands.     (line 173)
* >:                                     The date/time prompt.
                                                              (line  30)
* ^:                                     CDLaTeX mode.        (line  33)
* _:                                     CDLaTeX mode.        (line  33)
* `:                                     CDLaTeX mode.        (line  39)
* a:                                     Agenda commands.     (line 134)
* b:                                     Agenda commands.     (line  51)
* C:                                     Agenda commands.     (line 213)
* c:                                     Agenda commands.     (line 191)
* C-#:                                   Built-in table editor.
                                                              (line 161)
* C-,:                                   Agenda files.        (line  18)
* C-_:                                   Agenda commands.     (line 109)
* C-a a L:                               Timeline.            (line  10)
* C-c !:                                 Creating timestamps. (line  21)
* C-c #:                                 Checkboxes.          (line  56)
* C-c $:                                 Moving subtrees.     (line  10)
* C-c %:                                 Handling links.      (line  81)
* C-c &:                                 Handling links.      (line  85)
* C-c ' <1>:                             Editing/debugging formulas.
                                                              (line  20)
* C-c ':                                 Built-in table editor.
                                                              (line 150)
* C-c *:                                 Built-in table editor.
                                                              (line 154)
* C-c +:                                 Built-in table editor.
                                                              (line 171)
* C-c ,:                                 Priorities.          (line  18)
* C-c -:                                 Built-in table editor.
                                                              (line  92)
* C-c .:                                 Creating timestamps. (line  10)
* C-c /:                                 Sparse trees.        (line  15)
* C-c ::                                 Enhancing text.      (line  29)
* C-c ;:                                 Comment lines.       (line  11)
* C-c <:                                 Creating timestamps. (line  25)
* C-c <TAB>:                             Built-in table editor.
                                                              (line 193)
* C-c =:                                 Built-in table editor.
                                                              (line 141)
* C-c >:                                 Creating timestamps. (line  29)
* C-c ? <1>:                             Editing/debugging formulas.
                                                              (line  20)
* C-c ?:                                 Built-in table editor.
                                                              (line 167)
* C-c [:                                 Agenda files.        (line  12)
* C-c \:                                 Tag searches.        (line   9)
* C-c ]:                                 Agenda files.        (line  15)
* C-c ^ <1>:                             Built-in table editor.
                                                              (line  96)
* C-c ^:                                 Structure editing.   (line  52)
* C-c `:                                 Built-in table editor.
                                                              (line 187)
* C-c a !:                               Stuck projects.      (line  14)
* C-c a #:                               Stuck projects.      (line  13)
* C-c a a:                               Weekly/Daily agenda. (line   9)
* C-c a C:                               Storing searches.    (line   9)
* C-c a M:                               Matching headline tags.
                                                              (line  15)
* C-c a m:                               Matching headline tags.
                                                              (line  10)
* C-c a M:                               Tag searches.        (line  16)
* C-c a m:                               Tag searches.        (line  12)
* C-c a T:                               Global TODO list.    (line  14)
* C-c a t <1>:                           Global TODO list.    (line   9)
* C-c a t:                               TODO basics.         (line  33)
* C-c C-a:                               Visibility cycling.  (line  31)
* C-c C-b:                               Motion.              (line  15)
* C-c C-c <1>:                           The very busy C-c C-c key.
                                                              (line   6)
* C-c C-c <2>:                           Processing LaTeX fragments.
                                                              (line  15)
* C-c C-c <3>:                           Setting tags.        (line  10)
* C-c C-c <4>:                           Checkboxes.          (line  37)
* C-c C-c <5>:                           table.el.            (line   6)
* C-c C-c <6>:                           Editing/debugging formulas.
                                                              (line  16)
* C-c C-c <7>:                           Built-in table editor.
                                                              (line  54)
* C-c C-c:                               Plain lists.         (line  74)
* C-c C-d <1>:                           Agenda commands.     (line 158)
* C-c C-d:                               Creating timestamps. (line  37)
* C-c C-e:                               Exporting.           (line  19)
* C-c C-e a:                             ASCII export.        (line   9)
* C-c C-e b:                             HTML export.         (line  11)
* C-c C-e c:                             iCalendar export.    (line  20)
* C-c C-e h:                             HTML export.         (line  10)
* C-c C-e I:                             iCalendar export.    (line  15)
* C-c C-e i:                             iCalendar export.    (line  13)
* C-c C-e t:                             Export options.      (line  13)
* C-c C-e v <1>:                         XOXO export.         (line  11)
* C-c C-e v:                             Sparse trees.        (line  41)
* C-c C-e v a:                           ASCII export.        (line  13)
* C-c C-e v b:                           HTML export.         (line  14)
* C-c C-e v h:                           HTML export.         (line  14)
* C-c C-e x:                             XOXO export.         (line  10)
* C-c C-f:                               Motion.              (line  12)
* C-c C-j:                               Motion.              (line  21)
* C-c C-l:                               Handling links.      (line  27)
* C-c C-n:                               Motion.              (line   8)
* C-c C-o <1>:                           Creating timestamps. (line  33)
* C-c C-o:                               Handling links.      (line  58)
* C-c C-p:                               Motion.              (line   9)
* C-c C-q <1>:                           Editing/debugging formulas.
                                                              (line  20)
* C-c C-q:                               Built-in table editor.
                                                              (line 125)
* C-c C-r:                               Visibility cycling.  (line  32)
* C-c C-s <1>:                           Agenda commands.     (line 155)
* C-c C-s:                               Creating timestamps. (line  48)
* C-c C-t <1>:                           Clocking work time.  (line  26)
* C-c C-t:                               TODO basics.         (line  13)
* C-c C-u:                               Motion.              (line  18)
* C-c C-v:                               TODO basics.         (line  26)
* C-c C-w:                               Creating timestamps. (line  41)
* C-c C-x b:                             Visibility cycling.  (line  38)
* C-c C-x C-a:                           ARCHIVE tag.         (line  28)
* C-c C-x C-b:                           Checkboxes.          (line  38)
* C-c C-x C-c:                           Agenda commands.     (line 220)
* C-c C-x C-d:                           Clocking work time.  (line  34)
* C-c C-x C-i:                           Clocking work time.  (line  12)
* C-c C-x C-k:                           Structure editing.   (line  39)
* C-c C-x C-l:                           Processing LaTeX fragments.
                                                              (line   9)
* C-c C-x C-o:                           Clocking work time.  (line  14)
* C-c C-x C-r:                           Clocking work time.  (line  42)
* C-c C-x C-t:                           Custom time format.  (line  12)
* C-c C-x C-u:                           Dynamic blocks.      (line  21)
* C-c C-x C-w <1>:                       Built-in table editor.
                                                              (line 114)
* C-c C-x C-w:                           Structure editing.   (line  39)
* C-c C-x C-x:                           Clocking work time.  (line  30)
* C-c C-x C-y <1>:                       Built-in table editor.
                                                              (line 118)
* C-c C-x C-y:                           Structure editing.   (line  46)
* C-c C-x M-w <1>:                       Built-in table editor.
                                                              (line 111)
* C-c C-x M-w:                           Structure editing.   (line  43)
* C-c C-y <1>:                           Clocking work time.  (line  21)
* C-c C-y:                               Creating timestamps. (line  66)
* C-c l:                                 Handling links.      (line   9)
* C-c {:                                 CDLaTeX mode.        (line  21)
* C-c |:                                 Built-in table editor.
                                                              (line  40)
* C-c ~:                                 table.el.            (line  18)
* C-k:                                   Agenda commands.     (line 117)
* C-TAB:                                 ARCHIVE tag.         (line  38)
* C-u C-c $:                             Moving subtrees.     (line  12)
* C-u C-c .:                             Creating timestamps. (line  16)
* C-u C-c =:                             Built-in table editor.
                                                              (line 145)
* C-u C-c C-l:                           Handling links.      (line  43)
* C-u C-c C-x C-a:                       ARCHIVE tag.         (line  31)
* C-u C-c C-x C-u <1>:                   Dynamic blocks.      (line  22)
* C-u C-c C-x C-u:                       Clocking work time.  (line  69)
* D:                                     Agenda commands.     (line  74)
* d:                                     Agenda commands.     (line  71)
* f:                                     Agenda commands.     (line  44)
* g:                                     Agenda commands.     (line  78)
* H:                                     Agenda commands.     (line 217)
* i:                                     Agenda commands.     (line 198)
* I:                                     Agenda commands.     (line 178)
* l:                                     Agenda commands.     (line  57)
* L:                                     Agenda commands.     (line  32)
* M:                                     Agenda commands.     (line 204)
* M-<down>:                              Built-in table editor.
                                                              (line  82)
* M-<left> <1>:                          Built-in table editor.
                                                              (line  72)
* M-<left>:                              Structure editing.   (line  21)
* M-<RET> <1>:                           Plain lists.         (line  42)
* M-<RET>:                               Structure editing.   (line   6)
* M-<right> <1>:                         Built-in table editor.
                                                              (line  72)
* M-<right>:                             Structure editing.   (line  24)
* M-<TAB> <1>:                           Completion.          (line  10)
* M-<TAB> <2>:                           Setting tags.        (line   6)
* M-<TAB>:                               Per file keywords.   (line  17)
* M-<up>:                                Built-in table editor.
                                                              (line  82)
* M-S-<down> <1>:                        Built-in table editor.
                                                              (line  89)
* M-S-<down> <2>:                        Plain lists.         (line  59)
* M-S-<down>:                            Structure editing.   (line  36)
* M-S-<left> <1>:                        The date/time prompt.
                                                              (line  51)
* M-S-<left> <2>:                        Built-in table editor.
                                                              (line  76)
* M-S-<left> <3>:                        Plain lists.         (line  65)
* M-S-<left>:                            Structure editing.   (line  27)
* M-S-<RET> <1>:                         Checkboxes.          (line  53)
* M-S-<RET> <2>:                         Plain lists.         (line  52)
* M-S-<RET>:                             Structure editing.   (line  18)
* M-S-<right> <1>:                       The date/time prompt.
                                                              (line  48)
* M-S-<right> <2>:                       Built-in table editor.
                                                              (line  79)
* M-S-<right> <3>:                       Plain lists.         (line  65)
* M-S-<right>:                           Structure editing.   (line  30)
* M-S-<up> <1>:                          Built-in table editor.
                                                              (line  86)
* M-S-<up> <2>:                          Plain lists.         (line  59)
* M-S-<up>:                              Structure editing.   (line  33)
* mouse-1 <1>:                           Agenda commands.     (line  35)
* mouse-1 <2>:                           The date/time prompt.
                                                              (line  33)
* mouse-1:                               Handling links.      (line  72)
* mouse-2 <1>:                           Agenda commands.     (line  35)
* mouse-2:                               Handling links.      (line  72)
* mouse-3 <1>:                           Agenda commands.     (line  28)
* mouse-3:                               Handling links.      (line  77)
* n:                                     Agenda commands.     (line  19)
* O:                                     Agenda commands.     (line 180)
* o:                                     Agenda commands.     (line  65)
* P:                                     Agenda commands.     (line 142)
* p:                                     Agenda commands.     (line  20)
* q:                                     Agenda commands.     (line 227)
* r <1>:                                 Agenda commands.     (line  82)
* r:                                     Global TODO list.    (line  20)
* S:                                     Agenda commands.     (line 208)
* s:                                     Agenda commands.     (line  89)
* S-<down> <1>:                          Agenda commands.     (line 151)
* S-<down> <2>:                          The date/time prompt.
                                                              (line  42)
* S-<down> <3>:                          Creating timestamps. (line  58)
* S-<down> <4>:                          Priorities.          (line  25)
* S-<down>:                              Plain lists.         (line  55)
* S-<left> <1>:                          Agenda commands.     (line 169)
* S-<left> <2>:                          The date/time prompt.
                                                              (line  39)
* S-<left> <3>:                          Creating timestamps. (line  53)
* S-<left>:                              TODO basics.         (line  20)
* S-<RET>:                               Built-in table editor.
                                                              (line 176)
* S-<right> <1>:                         Agenda commands.     (line 161)
* S-<right> <2>:                         The date/time prompt.
                                                              (line  36)
* S-<right> <3>:                         Creating timestamps. (line  53)
* S-<right>:                             TODO basics.         (line  20)
* S-<TAB> <1>:                           Built-in table editor.
                                                              (line  61)
* S-<TAB>:                               Visibility cycling.  (line  22)
* S-<up> <1>:                            Agenda commands.     (line 145)
* S-<up> <2>:                            The date/time prompt.
                                                              (line  45)
* S-<up> <3>:                            Creating timestamps. (line  58)
* S-<up> <4>:                            Priorities.          (line  25)
* S-<up>:                                Plain lists.         (line  55)
* T:                                     Agenda commands.     (line 126)
* t:                                     Agenda commands.     (line 113)
* w:                                     Agenda commands.     (line  68)
* x:                                     Agenda commands.     (line 230)
* X:                                     Agenda commands.     (line 183)


\x1f
Tag Table:
Node: Top\x7f964
Node: Introduction\x7f10454
Node: Summary\x7f10869
Node: Installation\x7f13781
Node: Activation\x7f15159
Node: Feedback\x7f16408
Node: Document structure\x7f18484
Node: Outlines\x7f19258
Node: Headlines\x7f19918
Node: Visibility cycling\x7f20541
Ref: Visibility cycling-Footnote-1\x7f22567
Ref: Visibility cycling-Footnote-2\x7f22625
Ref: Visibility cycling-Footnote-3\x7f22675
Node: Motion\x7f22944
Node: Structure editing\x7f23728
Node: Archiving\x7f26554
Node: ARCHIVE tag\x7f27112
Node: Moving subtrees\x7f28905
Node: Sparse trees\x7f29946
Ref: Sparse trees-Footnote-1\x7f32077
Ref: Sparse trees-Footnote-2\x7f32169
Node: Plain lists\x7f32284
Ref: Plain lists-Footnote-1\x7f35809
Ref: Plain lists-Footnote-2\x7f36166
Node: Tables\x7f36350
Node: Built-in table editor\x7f36898
Node: Narrow columns\x7f44926
Ref: Narrow columns-Footnote-1\x7f46865
Node: Table calculations\x7f46911
Node: Formula syntax\x7f48231
Ref: Formula syntax-Footnote-1\x7f51136
Node: Lisp formulas\x7f51436
Node: Column formulas\x7f52225
Node: Advanced features\x7f53987
Node: Named-field formulas\x7f57241
Node: Editing/debugging formulas\x7f57881
Node: Appetizer\x7f59639
Node: orgtbl-mode\x7f60742
Node: table.el\x7f61233
Node: Hyperlinks\x7f62210
Node: Link format\x7f62983
Node: Internal links\x7f64276
Ref: Internal links-Footnote-1\x7f66265
Node: Radio targets\x7f66397
Node: CamelCase links\x7f67112
Node: External links\x7f67706
Node: Handling links\x7f69837
Ref: Handling links-Footnote-1\x7f74489
Ref: Handling links-Footnote-2\x7f74726
Node: Link abbreviations\x7f74800
Node: Search options\x7f76479
Ref: Search options-Footnote-1\x7f78259
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Ref: Setting tags-Footnote-2\x7f116739
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\x1f
End Tag Table