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[emacs.git] / lispref / elisp.texi

\input texinfo  @c -*-texinfo-*-
@c %**start of header
@setfilename elisp
@settitle GNU Emacs Lisp Reference Manual
@c %**end of header

@c Versino of the manual.
@set VERSION 2.9

@dircategory Emacs
@direntry
* Elisp: (elisp).       The Emacs Lisp Reference Manual.
@end direntry

@smallbook
@setchapternewpage odd
@finalout

@c Combine indices.
@synindex cp fn
@syncodeindex vr fn
@syncodeindex ky fn
@syncodeindex pg fn
@c We use the "type index" to index new functions and variables.
@c @syncodeindex tp fn

@ifnottex
This Info file contains edition @value{VERSION} of the GNU Emacs Lisp
Reference Manual, corresponding to Emacs version 21.3.
@c Please REMEMBER to update edition number in *four* places in this file
@c                 and also in *one* place in intro.texi and *one* in README.

Published by the Free Software Foundation
59 Temple Place, Suite 330
Boston, MA  02111-1307  USA

Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,@*
              2000, 2002 Free Software Foundation, Inc. 

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 the
Invariant Sections being ``Copying'', 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.''
@end ifnottex

@titlepage
@title GNU Emacs Lisp Reference Manual
@subtitle For Emacs Version 21
@c The edition number appears in several places in this file
@c and also in the file intro.texi.
@subtitle Revision @value{VERSION}, January 2002

@author by Bil Lewis, Dan LaLiberte, Richard Stallman
@author and the GNU Manual Group
@page
@vskip 0pt plus 1filll
Copyright @copyright{} 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998,@*
1999, 2000, 2002 Free Software Foundation, Inc.

@sp 2
Edition @value{VERSION} @*
Revised for Emacs Version 21.3,@*
January 2002.@*
@sp 2
ISBN 1-882114-73-6

@sp 2
Published by the Free Software Foundation @*
59 Temple Place, Suite 330@*
Boston, MA  02111-1307  USA

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 the
Invariant Sections being ``Copying'', 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.''

Cover art by Etienne Suvasa.
@end titlepage
@page

@node Top, Introduction, (dir), (dir)

@ifnottex
This Info file contains edition @value{VERSION} of the GNU Emacs Lisp
Reference Manual, corresponding to GNU Emacs version 21.3.
@end ifnottex

@menu
* Introduction::            Introduction and conventions used.
* Standards: Coding Conventions.    Coding conventions for Emacs Lisp.

* Lisp Data Types::         Data types of objects in Emacs Lisp.
* Numbers::                 Numbers and arithmetic functions.
* Strings and Characters::  Strings, and functions that work on them.
* Lists::                   Lists, cons cells, and related functions.
* Sequences Arrays Vectors::  Lists, strings and vectors are called sequences.
                                Certain functions act on any kind of sequence.
                                The description of vectors is here as well.
* Hash Tables::             Very fast lookup-tables.
* Symbols::                 Symbols represent names, uniquely.

* Evaluation::              How Lisp expressions are evaluated.
* Control Structures::      Conditionals, loops, nonlocal exits.
* Variables::               Using symbols in programs to stand for values.
* Functions::               A function is a Lisp program
                              that can be invoked from other functions.
* Macros::                  Macros are a way to extend the Lisp language.
* Customization::           Writing customization declarations.

* Loading::                 Reading files of Lisp code into Lisp.
* Byte Compilation::        Compilation makes programs run faster.
* Advising Functions::      Adding to the definition of a function.
* Debugging::               Tools and tips for debugging Lisp programs.

* Read and Print::          Converting Lisp objects to text and back.
* Minibuffers::             Using the minibuffer to read input.
* Command Loop::            How the editor command loop works,
                              and how you can call its subroutines.
* Keymaps::                 Defining the bindings from keys to commands.
* Modes::                   Defining major and minor modes.
* Documentation::           Writing and using documentation strings.

* Files::                   Accessing files.
* Backups and Auto-Saving:: Controlling how backups and auto-save
                              files are made.
* Buffers::                 Creating and using buffer objects.
* Windows::                 Manipulating windows and displaying buffers.
* Frames::                  Making multiple X windows.
* Positions::               Buffer positions and motion functions.
* Markers::                 Markers represent positions and update
                              automatically when the text is changed.

* Text::                    Examining and changing text in buffers.
* Non-ASCII Characters::    Non-ASCII text in buffers and strings.
* Searching and Matching::  Searching buffers for strings or regexps.
* Syntax Tables::           The syntax table controls word and list parsing.
* Abbrevs::                 How Abbrev mode works, and its data structures.

* Processes::               Running and communicating with subprocesses.
* Display::                 Features for controlling the screen display.
* Calendar::                Customizing the calendar and diary.
* System Interface::        Getting the user id, system type, environment
                              variables, and other such things.

Appendices

* Antinews::                Info for users downgrading to Emacs 20.
* GNU Free Documentation License:: The license for this documentation
* GPL::                     Conditions for copying and changing GNU Emacs.
* Tips::                    Advice and coding conventions for Emacs Lisp.
* GNU Emacs Internals::     Building and dumping Emacs;
                              internal data structures.
* Standard Errors::         List of all error symbols.
* Standard Buffer-Local Variables::
                            List of variables buffer-local in all buffers.
* Standard Keymaps::        List of standard keymaps.
* Standard Hooks::          List of standard hook variables.

* Index::                   Index including concepts, functions, variables,
                              and other terms.

* New Symbols::             New functions and variables in Emacs 21.

      --- The Detailed Node Listing ---

Here are other nodes that are inferiors of those already listed,
mentioned here so you can get to them in one step:

Introduction

* Caveats::                 Flaws and a request for help.
* Lisp History::            Emacs Lisp is descended from Maclisp.
* Conventions::             How the manual is formatted.
* Acknowledgements::        The authors, editors, and sponsors of this manual.

Conventions

* Some Terms::              Explanation of terms we use in this manual.
* nil and t::               How the symbols @code{nil} and @code{t} are used.
* Evaluation Notation::     The format we use for examples of evaluation.
* Printing Notation::       The format we use for examples that print output.
* Error Messages::          The format we use for examples of errors.
* Buffer Text Notation::    The format we use for buffer contents in examples.
* Format of Descriptions::  Notation for describing functions, variables, etc.

Tips and Conventions

* Coding Conventions::      Conventions for clean and robust programs.
* Compilation Tips::        Making compiled code run fast.
* Documentation Tips::      Writing readable documentation strings.
* Comment Tips::            Conventions for writing comments.
* Library Headers::         Standard headers for library packages.

Format of Descriptions

* A Sample Function Description::       
* A Sample Variable Description::   

Lisp Data Types

* Printed Representation::  How Lisp objects are represented as text.
* Comments::                Comments and their formatting conventions.
* Programming Types::       Types found in all Lisp systems.
* Editing Types::           Types specific to Emacs.
* Type Predicates::         Tests related to types.
* Equality Predicates::     Tests of equality between any two objects.

Programming Types

* Integer Type::        Numbers without fractional parts.
* Floating Point Type:: Numbers with fractional parts and with a large range.
* Character Type::      The representation of letters, numbers and
                          control characters.
* Sequence Type::       Both lists and arrays are classified as sequences.
* Cons Cell Type::      Cons cells, and lists (which are made from cons cells).
* Array Type::          Arrays include strings and vectors.
* String Type::         An (efficient) array of characters.
* Vector Type::         One-dimensional arrays.
* Symbol Type::         A multi-use object that refers to a function,
                        variable, property list, or itself.
* Function Type::       A piece of executable code you can call from elsewhere.
* Macro Type::          A method of expanding an expression into another
                          expression, more fundamental but less pretty.
* Primitive Function Type::     A function written in C, callable from Lisp.
* Byte-Code Type::      A function written in Lisp, then compiled.
* Autoload Type::       A type used for automatically loading seldom-used
                          functions.

List Type

* Dotted Pair Notation::    An alternative syntax for lists.
* Association List Type::   A specially constructed list.

Editing Types

* Buffer Type::             The basic object of editing.
* Window Type::             What makes buffers visible.
* Window Configuration Type::Save what the screen looks like.
* Marker Type::             A position in a buffer.
* Process Type::            A process running on the underlying OS.
* Stream Type::             Receive or send characters.
* Keymap Type::             What function a keystroke invokes.
* Overlay Type::            How an overlay is represented.

Numbers

* Integer Basics::            Representation and range of integers.
* Float Basics::              Representation and range of floating point.
* Predicates on Numbers::     Testing for numbers.
* Comparison of Numbers::     Equality and inequality predicates.
* Arithmetic Operations::     How to add, subtract, multiply and divide.
* Bitwise Operations::        Logical and, or, not, shifting.
* Numeric Conversions::       Converting float to integer and vice versa.
* Math Functions::            Trig, exponential and logarithmic functions.
* Random Numbers::            Obtaining random integers, predictable or not.

Strings and Characters

* String Basics::           Basic properties of strings and characters.
* Predicates for Strings::  Testing whether an object is a string or char.
* Creating Strings::        Functions to allocate new strings.
* Text Comparison::         Comparing characters or strings.
* String Conversion::       Converting characters or strings and vice versa.
* Formatting Strings::      @code{format}: Emacs's analogue of @code{printf}.
* Case Conversion::         Case conversion functions.

Lists

* Cons Cells::              How lists are made out of cons cells.
* Lists as Boxes::          Graphical notation to explain lists.
* List-related Predicates:: Is this object a list?  Comparing two lists.
* List Elements::           Extracting the pieces of a list.
* Building Lists::          Creating list structure.
* Modifying Lists::         Storing new pieces into an existing list.
* Sets And Lists::          A list can represent a finite mathematical set.
* Association Lists::       A list can represent a finite relation or mapping.

Modifying Existing List Structure

* Setcar::                  Replacing an element in a list.
* Setcdr::                  Replacing part of the list backbone.
                              This can be used to remove or add elements.
* Rearrangement::           Reordering the elements in a list; combining lists.

Sequences, Arrays, and Vectors

* Sequence Functions::      Functions that accept any kind of sequence.
* Arrays::                  Characteristics of arrays in Emacs Lisp.
* Array Functions::         Functions specifically for arrays.
* Vectors::                 Functions specifically for vectors.

Symbols

* Symbol Components::       Symbols have names, values, function definitions
                              and property lists.
* Definitions::             A definition says how a symbol will be used.
* Creating Symbols::        How symbols are kept unique.
* Property Lists::          Each symbol has a property list
                              for recording miscellaneous information.

Evaluation

* Intro Eval::              Evaluation in the scheme of things.
* Eval::                    How to invoke the Lisp interpreter explicitly.
* Forms::                   How various sorts of objects are evaluated.
* Quoting::                 Avoiding evaluation (to put constants in 
                              the program).

Kinds of Forms

* Self-Evaluating Forms::   Forms that evaluate to themselves.
* Symbol Forms::            Symbols evaluate as variables.
* Classifying Lists::       How to distinguish various sorts of list forms.
* Function Forms::          Forms that call functions.
* Macro Forms::             Forms that call macros.
* Special Forms::           ``Special forms'' are idiosyncratic primitives,
                              most of them extremely important.
* Autoloading::             Functions set up to load files
                              containing their real definitions.

Control Structures

* Sequencing::              Evaluation in textual order.
* Conditionals::            @code{if}, @code{cond}.
* Combining Conditions::    @code{and}, @code{or}, @code{not}.
* Iteration::               @code{while} loops.
* Nonlocal Exits::          Jumping out of a sequence.

Nonlocal Exits

* Catch and Throw::         Nonlocal exits for the program's own purposes.
* Examples of Catch::       Showing how such nonlocal exits can be written.
* Errors::                  How errors are signaled and handled.
* Cleanups::                Arranging to run a cleanup form if an
                              error happens.

Errors

* Signaling Errors::        How to report an error.
* Processing of Errors::    What Emacs does when you report an error.
* Handling Errors::         How you can trap errors and continue execution.
* Error Symbols::           How errors are classified for trapping them.

Variables

* Global Variables::        Variable values that exist permanently, everywhere.
* Constant Variables::      Certain "variables" have values that never change.
* Local Variables::         Variable values that exist only temporarily.
* Void Variables::          Symbols that lack values.
* Defining Variables::      A definition says a symbol is used as a variable.
* Accessing Variables::     Examining values of variables whose names
                              are known only at run time.
* Setting Variables::       Storing new values in variables.
* Variable Scoping::        How Lisp chooses among local and global values.
* Buffer-Local Variables::  Variable values in effect only in one buffer.

Scoping Rules for Variable Bindings

* Scope::                   Scope means where in the program a value 
                              is visible.  Comparison with other languages.
* Extent::                  Extent means how long in time a value exists.
* Impl of Scope::           Two ways to implement dynamic scoping.
* Using Scoping::           How to use dynamic scoping carefully and 
                              avoid problems.

Buffer-Local Variables

* Intro to Buffer-Local::   Introduction and concepts.
* Creating Buffer-Local::   Creating and destroying buffer-local bindings.
* Default Value::           The default value is seen in buffers
                              that don't have their own buffer-local values.

Functions

* What Is a Function::      Lisp functions vs primitives; terminology.
* Lambda Expressions::      How functions are expressed as Lisp objects.
* Function Names::          A symbol can serve as the name of a function.
* Defining Functions::      Lisp expressions for defining functions.
* Calling Functions::       How to use an existing function.
* Mapping Functions::       Applying a function to each element of a list, etc.
* Anonymous Functions::     Lambda-expressions are functions with no names.    
* Function Cells::          Accessing or setting the function definition
                              of a symbol.
* Related Topics::          Cross-references to specific Lisp primitives
                              that have a special bearing on how 
                              functions work.

Lambda Expressions

* Lambda Components::       The parts of a lambda expression.
* Simple Lambda::           A simple example.
* Argument List::           Details and special features of argument lists.
* Function Documentation::  How to put documentation in a function.

Macros

* Simple Macro::            A basic example.
* Expansion::               How, when and why macros are expanded.
* Compiling Macros::        How macros are expanded by the compiler.
* Defining Macros::         How to write a macro definition.
* Backquote::               Easier construction of list structure.
* Problems with Macros::    Don't evaluate the macro arguments too many times.
                              Don't hide the user's variables.

Loading

* How Programs Do Loading:: The @code{load} function and others.
* Autoload::                Setting up a function to autoload.
* Named Features::          Loading a library if it isn't already loaded.
* Repeated Loading::        Precautions about loading a file twice.

Byte Compilation

* Compilation Functions::   Byte compilation functions.
* Disassembly::             Disassembling byte-code; how to read byte-code.

Advising Functions

* Simple Advice::           A simple example to explain the basics of advice.
* Defining Advice::         Detailed description of @code{defadvice}.
* Computed Advice::         ...is to @code{defadvice} as @code{fset} is to @code{defun}.
* Activation of Advice::    Advice doesn't do anything until you activate it.
* Enabling Advice::         You can enable or disable each piece of advice.
* Preactivation::           Preactivation is a way of speeding up the
                              loading of compiled advice.
* Argument Access in Advice:: How advice can access the function's arguments.
* Subr Arguments::          Accessing arguments when advising a primitive.
* Combined Definition::     How advice is implemented.

Debugging Lisp Programs

* Debugger::                How the Emacs Lisp debugger is implemented.
* Syntax Errors::           How to find syntax errors.
* Compilation Errors::      How to find errors that show up in 
                              byte compilation.
* Edebug::                  A source-level Emacs Lisp debugger.
                                
The Lisp Debugger

* Error Debugging::         Entering the debugger when an error happens.
* Function Debugging::      Entering it when a certain function is called.
* Explicit Debug::          Entering it at a certain point in the program.
* Using Debugger::          What the debugger does; what you see while in it.
* Debugger Commands::       Commands used while in the debugger.
* Invoking the Debugger::   How to call the function @code{debug}.
* Internals of Debugger::   Subroutines of the debugger, and global variables.

Debugging Invalid Lisp Syntax

* Excess Open::             How to find a spurious open paren or missing close.
* Excess Close::            How to find a spurious close paren or missing open.

Reading and Printing Lisp Objects

* Streams Intro::           Overview of streams, reading and printing.
* Input Streams::           Various data types that can be used as 
                              input streams.
* Input Functions::         Functions to read Lisp objects from text.
* Output Streams::          Various data types that can be used as 
                              output streams.
* Output Functions::        Functions to print Lisp objects as text.

Minibuffers

* Intro to Minibuffers::    Basic information about minibuffers.
* Text from Minibuffer::    How to read a straight text string.
* Object from Minibuffer::  How to read a Lisp object or expression.
* Completion::              How to invoke and customize completion.
* Yes-or-No Queries::       Asking a question with a simple answer.
* Minibuffer Misc::         Various customization hooks and variables.

Completion

* Basic Completion::        Low-level functions for completing strings.
                              (These are too low level to use the minibuffer.)
* Minibuffer Completion::   Invoking the minibuffer with completion.
* Completion Commands::     Minibuffer commands that do completion.
* High-Level Completion::   Convenient special cases of completion
                              (reading buffer name, file name, etc.)
* Reading File Names::      Using completion to read file names.
* Programmed Completion::   Finding the completions for a given file name.

Command Loop

* Command Overview::    How the command loop reads commands.
* Defining Commands::   Specifying how a function should read arguments.
* Interactive Call::    Calling a command, so that it will read arguments.
* Command Loop Info::   Variables set by the command loop for you to examine.
* Input Events::        What input looks like when you read it.
* Reading Input::       How to read input events from the keyboard or mouse.
* Waiting::             Waiting for user input or elapsed time.
* Quitting::            How @kbd{C-g} works.  How to catch or defer quitting.
* Prefix Command Arguments::    How the commands to set prefix args work.
* Recursive Editing::   Entering a recursive edit,
                          and why you usually shouldn't.
* Disabling Commands::  How the command loop handles disabled commands.
* Command History::     How the command history is set up, and how accessed.
* Keyboard Macros::     How keyboard macros are implemented.

Defining Commands

* Using Interactive::       General rules for @code{interactive}.
* Interactive Codes::       The standard letter-codes for reading arguments
                              in various ways.
* Interactive Examples::    Examples of how to read interactive arguments.

Keymaps

* Keymap Terminology::          Definitions of terms pertaining to keymaps.
* Format of Keymaps::           What a keymap looks like as a Lisp object.
* Creating Keymaps::            Functions to create and copy keymaps.
* Inheritance and Keymaps::     How one keymap can inherit the bindings
                                  of another keymap.
* Prefix Keys::                 Defining a key with a keymap as its definition.
* Menu Keymaps::                A keymap can define a menu for X
                                  or for use from the terminal.
* Active Keymaps::              Each buffer has a local keymap
                                  to override the standard (global) bindings.
                                  Each minor mode can also override them.
* Key Lookup::                  How extracting elements from keymaps works.
* Functions for Key Lookup::    How to request key lookup.
* Changing Key Bindings::       Redefining a key in a keymap.
* Key Binding Commands::        Interactive interfaces for redefining keys.
* Scanning Keymaps::            Looking through all keymaps, for printing help.

Major and Minor Modes

* Major Modes::             Defining major modes.
* Minor Modes::             Defining minor modes.
* Mode Line Format::        Customizing the text that appears in the mode line.
* Hooks::                   How to use hooks; how to write code that 
                              provides hooks.

Major Modes

* Major Mode Conventions::  Coding conventions for keymaps, etc.
* Example Major Modes::     Text mode and Lisp modes.
* Auto Major Mode::         How Emacs chooses the major mode automatically.
* Mode Help::               Finding out how to use a mode.

Minor Modes

* Minor Mode Conventions::  Tips for writing a minor mode.
* Keymaps and Minor Modes:: How a minor mode can have its own keymap.

Mode Line Format

* Mode Line Data::          The data structure that controls the mode line.
* Mode Line Variables::     Variables used in that data structure.
* %-Constructs::            Putting information into a mode line.

Documentation

* Documentation Basics::    Good style for doc strings.
                              Where to put them.  How Emacs stores them.
* Accessing Documentation:: How Lisp programs can access doc strings.
* Keys in Documentation::   Substituting current key bindings.
* Describing Characters::   Making printable descriptions of
                              non-printing characters and key sequences.
* Help Functions::          Subroutines used by Emacs help facilities.

Files

* Visiting Files::          Reading files into Emacs buffers for editing.
* Saving Buffers::          Writing changed buffers back into files.
* Reading from Files::      Reading files into other buffers.
* Writing to Files::        Writing new files from parts of buffers.
* File Locks::              Locking and unlocking files, to prevent
                                simultaneous editing by two people.
* Information about Files::   Testing existence, accessibility, size of files.
* Contents of Directories::   Getting a list of the files in a directory.
* Changing Files::          Renaming files, changing protection, etc.
* File Names::              Decomposing and expanding file names.

Visiting Files

* Visiting Functions::      The usual interface functions for visiting.
* Subroutines of Visiting:: Lower-level subroutines that they use.

Information about Files

* Testing Accessibility::   Is a given file readable?  Writable?
* Kinds of Files::          Is it a directory?  A link?
* File Attributes::         How large is it?  Any other names?  Etc.

File Names

* File Name Components::    The directory part of a file name, and the rest.
* Directory Names::         A directory's name as a directory
                              is different from its name as a file.
* Relative File Names::     Some file names are relative to a 
                              current directory.
* File Name Expansion::     Converting relative file names to absolute ones.
* Unique File Names::       Generating names for temporary files.
* File Name Completion::    Finding the completions for a given file name.

Backups and Auto-Saving

* Backup Files::            How backup files are made; how their names 
                              are chosen.
* Auto-Saving::             How auto-save files are made; how their
                              names are chosen.
* Reverting::               @code{revert-buffer}, and how to customize 
                              what it does.

Backup Files

* Making Backups::          How Emacs makes backup files, and when.
* Rename or Copy::          Two alternatives: renaming the old file 
                              or copying it.
* Numbered Backups::        Keeping multiple backups for each source file.
* Backup Names::            How backup file names are computed; customization.

Buffers

* Buffer Basics::           What is a buffer?
* Buffer Names::            Accessing and changing buffer names.
* Buffer File Name::        The buffer file name indicates which file
                              is visited.
* Buffer Modification::     A buffer is @dfn{modified} if it needs to be saved.
* Modification Time::       Determining whether the visited file was changed
                              ``behind Emacs's back''.
* Read Only Buffers::       Modifying text is not allowed in a
                              read-only buffer.
* The Buffer List::         How to look at all the existing buffers.
* Creating Buffers::        Functions that create buffers.
* Killing Buffers::         Buffers exist until explicitly killed.
* Current Buffer::          Designating a buffer as current
                              so primitives will access its contents.

Windows

* Basic Windows::           Basic information on using windows.
* Splitting Windows::       Splitting one window into two windows.
* Deleting Windows::        Deleting a window gives its space to other windows.
* Selecting Windows::       The selected window is the one that you edit in.
* Cyclic Window Ordering::  Moving around the existing windows.
* Buffers and Windows::     Each window displays the contents of a buffer.
* Displaying Buffers::      Higher-lever functions for displaying a buffer
                              and choosing a window for it.
* Window Point::            Each window has its own location of point.
* Window Start::            The display-start position controls which text
                              is on-screen in the window. 
* Vertical Scrolling::      Moving text up and down in the window.
* Horizontal Scrolling::    Moving text sideways on the window.
* Size of Window::          Accessing the size of a window.
* Resizing Windows::        Changing the size of a window.
* Window Configurations::   Saving and restoring the state of the screen.

Frames

* Creating Frames::         Creating additional frames.
* Multiple Displays::       Creating frames on other X displays.
* Frame Parameters::        Controlling frame size, position, font, etc.
* Frame Titles::            Automatic updating of frame titles.
* Deleting Frames::         Frames last until explicitly deleted.
* Finding All Frames::      How to examine all existing frames.
* Frames and Windows::      A frame contains windows;
                              display of text always works through windows.
* Minibuffers and Frames::  How a frame finds the minibuffer to use.
* Input Focus::             Specifying the selected frame.
* Visibility of Frames::    Frames may be visible or invisible, or icons.
* Raising and Lowering::    Raising a frame makes it hide other X windows;
                              lowering it puts it underneath the others.
* Frame Configurations::    Saving the state of all frames.
* Mouse Tracking::          Getting events that say when the mouse moves.
* Mouse Position::          Asking where the mouse is, or moving it.
* Pop-Up Menus::            Displaying a menu for the user to select from.
* Dialog Boxes::            Displaying a box to ask yes or no.
* Pointer Shapes::          Specifying the shape of the mouse pointer.
* Window System Selections::Transferring text to and from other windows.
* Color Names::             Getting the definitions of color names.
* Resources::               Getting resource values from the server.
* Display Feature Testing:: Determining the features of a terminal.

Positions

* Point::                   The special position where editing takes place.
* Motion::                  Changing point.
* Excursions::              Temporary motion and buffer changes.
* Narrowing::               Restricting editing to a portion of the buffer.

Motion

* Character Motion::        Moving in terms of characters.
* Word Motion::             Moving in terms of words.
* Buffer End Motion::       Moving to the beginning or end of the buffer.
* Text Lines::              Moving in terms of lines of text.
* Screen Lines::            Moving in terms of lines as displayed.
* List Motion::             Moving by parsing lists and sexps.
* Skipping Characters::     Skipping characters belonging to a certain set.

Markers

* Overview of Markers::     The components of a marker, and how it relocates.
* Predicates on Markers::   Testing whether an object is a marker.
* Creating Markers::        Making empty markers or markers at certain places.
* Information from Markers::  Finding the marker's buffer or character
                                position. 
* Moving Markers::          Moving the marker to a new buffer or position.
* The Mark::                How ``the mark'' is implemented with a marker.
* The Region::              How to access ``the region''.

Text

* Near Point::              Examining text in the vicinity of point.
* Buffer Contents::         Examining text in a general fashion.
* Insertion::               Adding new text to a buffer.
* Commands for Insertion::  User-level commands to insert text.
* Deletion::                Removing text from a buffer.
* User-Level Deletion::     User-level commands to delete text.
* The Kill Ring::           Where removed text sometimes is saved for
                              later use.
* Undo::                    Undoing changes to the text of a buffer.
* Auto Filling::            How auto-fill mode is implemented to break lines.
* Filling::                 Functions for explicit filling.
* Margins::                 How to specify margins for filling commands.
* Sorting::                 Functions for sorting parts of the buffer.
* Indentation::             Functions to insert or adjust indentation.
* Columns::                 Computing horizontal positions, and using them.
* Case Changes::            Case conversion of parts of the buffer.
* Text Properties::         Assigning Lisp property lists to text characters.
* Substitution::            Replacing a given character wherever it appears.
* Transposition::           Swapping two portions of a buffer.
* Registers::               How registers are implemented.  Accessing
                              the text or position stored in a register.
* Change Hooks::            Supplying functions to be run when text is changed.
                              
The Kill Ring

* Kill Ring Concepts::      What text looks like in the kill ring.
* Kill Functions::          Functions that kill text.
* Yank Commands::           Commands that access the kill ring.
* Low-Level Kill Ring::     Functions and variables for kill ring access.
* Internals of Kill Ring::  Variables that hold kill-ring data.

Indentation

* Primitive Indent::        Functions used to count and insert indentation.
* Mode-Specific Indent::    Customize indentation for different modes.
* Region Indent::           Indent all the lines in a region.
* Relative Indent::         Indent the current line based on previous lines.
* Indent Tabs::             Adjustable, typewriter-like tab stops.
* Motion by Indent::        Move to first non-blank character.

Text Properties

* Examining Properties::    Looking at the properties of one character.
* Changing Properties::     Setting the properties of a range of text.
* Property Search::         Searching for where a property changes value.
* Special Properties::      Particular properties with special meanings.
* Format Properties::       Properties for representing formatting of text.
* Sticky Properties::       How inserted text gets properties from
                              neighboring text.
* Saving Properties::       Saving text properties in files, and reading
                              them back.
* Lazy Properties::         Computing text properties in a lazy fashion
                              only when text is examined.
* Clickable Text::          Using text properties to make regions of text
                              do something when you click on them.
* Fields::                  The @code{field} property defines
                              fields within the buffer.
* Not Intervals::           Why text properties do not use
                              Lisp-visible text intervals.

Non-ASCII Characters

* Text Representations::    Unibyte and multibyte representations
* Converting Representations::  Converting unibyte to multibyte and vice versa.
* Selecting a Representation::  Treating a byte sequence as unibyte or multi.
* Character Codes::         How unibyte and multibyte relate to
                                codes of individual characters.
* Character Sets::          The space of possible characters codes
                                is divided into various character sets.
* Chars and Bytes::         More information about multibyte encodings.
* Splitting Characters::    Converting a character to its byte sequence.
* Scanning Charsets::       Which character sets are used in a buffer?
* Translation of Characters::   Translation tables are used for conversion.
* Coding Systems::          Coding systems are conversions for saving files.
* Input Methods::           Input methods allow users to enter various
                                non-ASCII characters without special keyboards.
* Locales::                 Interacting with the POSIX locale.

Searching and Matching

* String Search::           Search for an exact match.
* Regular Expressions::     Describing classes of strings.
* Regexp Search::           Searching for a match for a regexp.
* Match Data::              Finding out which part of the text matched
                              various parts of a regexp, after regexp search.
* Saving Match Data::       Saving and restoring this information.
* Standard Regexps::        Useful regexps for finding sentences, pages,...
* Searching and Case::      Case-independent or case-significant searching.

Regular Expressions

* Syntax of Regexps::       Rules for writing regular expressions.
* Regexp Example::          Illustrates regular expression syntax.

Syntax Tables

* Syntax Descriptors::      How characters are classified.
* Syntax Table Functions::  How to create, examine and alter syntax tables.
* Parsing Expressions::     Parsing balanced expressions
                              using the syntax table.
* Standard Syntax Tables::  Syntax tables used by various major modes.
* Syntax Table Internals::  How syntax table information is stored.

Syntax Descriptors

* Syntax Class Table::      Table of syntax classes.
* Syntax Flags::            Additional flags each character can have.

Abbrevs And Abbrev Expansion

* Abbrev Mode::             Setting up Emacs for abbreviation.
* Tables: Abbrev Tables.    Creating and working with abbrev tables.
* Defining Abbrevs::        Specifying abbreviations and their expansions.
* Files: Abbrev Files.      Saving abbrevs in files.
* Expansion: Abbrev Expansion.  Controlling expansion; expansion subroutines.
* Standard Abbrev Tables::  Abbrev tables used by various major modes.

Processes

* Subprocess Creation::     Functions that start subprocesses.
* Synchronous Processes::   Details of using synchronous subprocesses.
* Asynchronous Processes::  Starting up an asynchronous subprocess.
* Deleting Processes::      Eliminating an asynchronous subprocess.
* Process Information::     Accessing run-status and other attributes.
* Input to Processes::      Sending input to an asynchronous subprocess.
* Signals to Processes::    Stopping, continuing or interrupting
                              an asynchronous subprocess.
* Output from Processes::   Collecting output from an asynchronous subprocess.
* Sentinels::               Sentinels run when process run-status changes.
* Network::                 Opening network connections.

Receiving Output from Processes

* Process Buffers::         If no filter, output is put in a buffer.
* Filter Functions::        Filter functions accept output from the process.
* Accepting Output::        How to wait until process output arrives.

Operating System Interface

* Starting Up::             Customizing Emacs start-up processing.
* Getting Out::             How exiting works (permanent or temporary).
* System Environment::      Distinguish the name and kind of system.
* Terminal Input::          Recording terminal input for debugging.
* Terminal Output::         Recording terminal output for debugging.
* Flow Control::            How to turn output flow control on or off.
* Batch Mode::              Running Emacs without terminal interaction.

Starting Up Emacs

* Startup Summary::         Sequence of actions Emacs performs at start-up.
* Init File::               Details on reading the init file (@file{.emacs}).
* Terminal-Specific::       How the terminal-specific Lisp file is read.
* Command-Line Arguments::  How command line arguments are processed,
                              and how you can customize them.

Getting out of Emacs

* Killing Emacs::           Exiting Emacs irreversibly.
* Suspending Emacs::        Exiting Emacs reversibly.

Emacs Display

* Refresh Screen::          Clearing the screen and redrawing everything on it.
* Truncation::              Folding or wrapping long text lines.
* The Echo Area::           Where messages are displayed.
* Selective Display::       Hiding part of the buffer text.
* Overlay Arrow::           Display of an arrow to indicate position.
* Temporary Displays::      Displays that go away automatically.
* Waiting::                 Forcing display update and waiting for user.
* Blinking::                How Emacs shows the matching open parenthesis.
* Usual Display::           How control characters are displayed.
* Beeping::                 Audible signal to the user.
* Window Systems::          Which window system is being used.

GNU Emacs Internals

* Building Emacs::          How to preload Lisp libraries into Emacs.
* Pure Storage::            A kludge to make preloaded Lisp functions sharable.
* Garbage Collection::      Reclaiming space for Lisp objects no longer used.
* Object Internals::        Data formats of buffers, windows, processes.
* Writing Emacs Primitives::  Writing C code for Emacs.

Object Internals

* Buffer Internals::        Components of a buffer structure.
* Window Internals::        Components of a window structure.
* Process Internals::       Components of a process structure.
@end menu

@include intro.texi
@include objects.texi
@include numbers.texi
@include strings.texi

@include lists.texi
@include sequences.texi
@include hash.texi
@include symbols.texi
@include eval.texi

@include control.texi
@include variables.texi
@include functions.texi
@include macros.texi

@include customize.texi
@include loading.texi
@include compile.texi
@include advice.texi

@include debugging.texi
@include streams.texi
@include minibuf.texi
@include commands.texi

@include keymaps.texi
@include modes.texi
@include help.texi
@include files.texi

@include backups.texi
@include buffers.texi
@include windows.texi
@include frames.texi

@include positions.texi
@include markers.texi
@include text.texi
@include nonascii.texi

@include searching.texi
@include syntax.texi
@include abbrevs.texi
@include processes.texi

@include display.texi
@include calendar.texi
@include os.texi

@c MOVE to Emacs Manual:  include misc-modes.texi

@c appendices

@c  REMOVE this:  include non-hacker.texi

@include anti.texi
@include doclicense.texi
@include gpl.texi
@include tips.texi
@include internals.texi
@include errors.texi
@include locals.texi
@include maps.texi
@include hooks.texi

@include index.texi

@node New Symbols, , Index, Top
@unnumbered New Symbols Since the Previous Edition

@printindex tp

@c Print the tables of contents
@summarycontents
@contents
@c That's all

@bye

\f
These words prevent "local variables" above from confusing Emacs.