(single_display_prop_intangible_p): Strings are intangible.

[emacs.git] / etc / MH-E-NEWS

* Changes in mh-e 6.1

This is a minor release which includes a few bug fixes. The
distribution now includes the ChangeLog.

** New Features in mh-e 6.1

*** Fontification

Unseen messages now displayed in bold.

*** Viewing folders and sequences

The folder and sequence listings that "F l (mh-list-folders)" and "S l
(mh-list-sequences)" create are now displayed in view mode.

** Bug Fixes in mh-e 6.1

*** mh-folder-unseen-seq-name

Byte compilation failed when initializing this variable when the
user's MH environment was not set up. This has been fixed (closes
Debian #140232 and Debian #140817).

*** mh-forward

When forwarding a sequence, the mode of the draft would not be set to
MH-Letter correctly. This has been fixed (closes SF #489448).

*** mh-insert-prefix-string

Fixed to work under XEmacs. Thanks to Will Partain
<partain at dcs.gla.ac.uk>.

*** mh-quit

mh-quit now cleans up the buffers named `mh-temp-buffer,
'mh-temp-folders-buffer' and 'mh-temp-sequences-buffer.'

\f
* Changes in mh-e 6.0

mh-e is now maintained at SourceForge (see
http://mh-e.sourceforge.net/). This is where you need to go to obtain
new versions of mh-e, report bugs and receive support.

The maintainers have moved much of their personal configurations into
the codebase, so you may find that you may be able to reduce your mh-e
customizations as well.

There are several incompatibilities in this version from older
versions. Please read the following notes carefully for details. Pay
particular attention to the key binding changes in the MH-Folder
section. If you have customized your scan format, you will want to
read about the new variable `mh-scan-format-file'.

The manual could not be updated in time for this release. It will be
updated in the near future. If the Preface in your manual indicates
the older version (version 1.3, for mh-e version 5.0.2), please check
the following page occasionally for an update:

  https://sourceforge.net/project/showfiles.php?group_id=13357


** New Features in mh-e 6.0

*** Customization

mh-e now uses the customize feature of Emacs. Use "M-x customize-group
mh RET" to customize mh-e.

*** Menus

All mh-e modes now provide menus that contain most mh-e functions.

*** Toolbars

All mh-e modes now have toolbar buttons for oft-used functions (Emacs 21).

*** Fontification

All mh-e buffers now have font-lock keywords. To use, either call
(turn-on-font-lock) from the appropriate hook, or set
`global-font-lock-mode' to t. To customize, use "M-x
customize-apropos-faces ^mh RET".

If you have customized your scan lines, you will have to update your
scan regexps. The existing regexps were changed to extract a match so
you will have to add appropriate grouping constructs to take advantage
of the fontification. Your old settings will continue to work, but the
folder will not be fontified. For example:

  (setq mh-good-msg-regexp  "^\\(.....\\)[^D^]")

You will most likely have to update the new variable
`mh-scan-subject-regexp' as well. There is another new variable
`mh-scan-date-regexp' which you may also find useful. Run "M-x apropos
mh.*regexp" for a complete list.

*** mail-user-agent support

You can now set `mail-user-agent' to `mh-e-user-agent' so that packages
that need to send mail will use mh-e (closes SF #406883, SF #470024).

*** replgroupcomps support

If you reply to `cc' or `all' and you use nmh, the nmh repl option
-group will be used. This means that the file `replgroupcomps' will be
used. If you have customized `replcomps', you will definitely want to
either copy `$NMH_LIB/replgroupcomps' to your mail directory and modify
it the same way that you modified your `replcomps' file, or simply
copy your `replcomps' file to `replgroupcomps'.

*** MH-Folder mode

The variable `mh-summary-height' used to have a default of 4. It now
varies from 4 to 10 depending on the height of the frame.

Clicking the mouse on a message shows that message.

Delete, refile and undo now operate on a region (but only if
`transient-mark-mode' is non-nil).

SPC (mh-page-msg) now displays the message if it is not already
visible. If the bottom of a message is showing, SPC (mh-page-msg)
moves to the next message (respecting the direction you are moving
through the folder).

The threading commands "T u (mh-next-unseen-subject-thread)", 
"T t (mh-toggle-subject-thread)", "T s (mh-narrow-to-subject-thread)",
and "T k (mh-delete-subject-thread)" have been added. These functions
do not offer threading in the true sense of the word, but do allow
some manipulation by subject.

Major, major keymap changes. This was done to free up movement
commands in the buffer, and to provide for additional features, such
as the threading commands. At the same time, better and more
consistent mnemonics were realized that should make it easier to
remember key bindings.

Added new sub-keymaps for folder commands, sequence commands,
extraction commands, and digest commands which begin with with F, S,
X, and D, respectively. These sub-keymaps allowed some consistency
(e.g., especially with l(ist) and k(ill)).

Here are the actual changes and rationale:

Old     New     Rationale

e       -       Deleted. Already have x. Now used by mh-edit-again.
j       -       Deleted. Already have g.

M-a     e       Better mnemonic. Matches rmail. Frees movement command.
M-e     E       Better mnemonic. Consistent with e.
-       S       Why not? mh-sort-folder.

M-f     Fv      Frees movement command
M-f     Ff      Alias (keep?)
M-f     Fo      Alias (keep?)
M-k     Fk      No reason but to keep with folder commands
M-l     Fl      No reason but to keep with folder commands
M-p     Fp      No reason but to keep with folder commands
M-r     Fr      Frees movement command
M-s     Fs      No reason but to keep with folder commands
M-u     Fu      No reason but to keep with folder commands

M-%     Sd      Better mnemonic
M-#     Sk      Better mnemonic
M-q     Sl      Better mnemonic
C-xn    Sn      Frees up standard key binding
%       Sp      Better mnemonic for putting a message in a sequence
?       Ss      Shows sequences that message is in
C-xw    Sw      Frees up standard key binding

M-n     Xs      Better mnemonic (extract shar)
M-n     Xu      Better mnemonic (extract uuencode)

M-SPC   D SPC   Frees mark command
M-\177  D \177  No reason but to keep with digest commands
M-b     Db      Frees movement command

As the number of variables increases, it is becoming important to
organize the mh-e namespace. Several variables having to do with the
format of scan lines were renamed, as follows:

Old                             New

mh-good-msg-regexp              mh-scan-good-msg-regexp
mh-deleted-msg-regexp           mh-scan-deleted-msg-regexp
mh-refiled-msg-regexp           mh-scan-refiled-msg-regexp
mh-valid-scan-line              mh-scan-valid-regexp
mh-cur-scan-msg-regexp          mh-scan-cur-msg-number-regexp
-                               mh-scan-cur-msg-regexp
-                               mh-scan-rcpt-regexp
-                               mh-scan-format-regexp
mh-msg-number-regexp            mh-scan-msg-number-regexp
mh-msg-search-regexp            mh-scan-msg-search-regexp

*** MH-Show mode

While the MIME support is not complete, quoted-printable body parts
are now decoded.

Some MTAs quote From at the beginning of the line with a ">". The ">"
is now removed in the display, but not on disk.

*** MH-Letter mode

New function "C-c C-o (mh-split-line)" splits lines in a draft
preserving the fill prefix and indentation. This is useful when
responding to several sentences in a single paragraph separately.

"M-q (fill-paragraph)" can now be used on the message that is being
replied to. The fill prefix such as "> " is preserved.

You no longer have to run "C-c C-e (mh-edit-mhn)" manually as this is
now done automatically when the message is sent.

The X-Mailer header field is now added to messages as they are sent.

"C-c C-m C-i (mh-mhn-compose-insertion)" now makes a pretty good guess
at the type of file using the `file' command and no longer asks the
user for the media type. If the necessary version of `file' is not
available, the user is asked for the media type as before; however,
the list of media types is now taken from the system mailcap if
available. Failing that, the built-in list of types has been
supplemented so in most cases the type you need should be present
(closes SF #406883, #441179).

** New Variables in mh-e 6.0

New variables not mentioned earlier include:

*** mh-insert-x-mailer-p

Default value of t means that an X-Mailer header field should be
added.

*** mh-reply-show-message-p

The setting of this variable determines whether the MH show-buffer is
displayed with the current message when using mh-reply without a prefix
argument. Set it to nil if you already include the message
automatically in your draft using "repl: -filter repl.filter" in
"~/.mh_profile."

*** mh-scan-format-file

Specifies the format file to pass to the scan program. If t, the
format string will be taken from the either `mh-scan-format-mh' or
`mh-scan-format-nmh' depending on whether MH or nmh is in use. If nil,
the default scan output will be used.

If you customize the scan format, you may need to modify a few
variables containing regexps that mh-e uses to identify specific
portions of the output. Use `M-x apropos RET mh-scan.*regexp' to
obtain a list of these variables.

*** mh-scan-format-mh

Scan format string for MH, provided to the scan program via the
-format arg. This format is identical to the default except that
additional hints for fontification have been added to the sixth
column.

*** mh-scan-format-nmh

Scan format string for nmh, provided to the scan program via the
-format arg. This format is identical to the default except that
additional hints for fontification have been added to the sixth
column.

*** mh-show-use-goto-addr

Non-nil means URLs and e-mail addresses are highlighted using
goto-addr in MH-Show buffer.

*** mh-letter-fill-column

Fill column to use in `mh-letter-mode'. This is useful to make the
lines a bit shorter to allow for quoting in replies.

*** mh-folder-updated-hook

Invoked when the actions in a folder (such as moves and deletes) are
performed. Variables that are useful in this hook include
`mh-delete-list' and `mh-refile-list' which can be used to see which
changes are being made to current folder, `mh-current-folder'.

*** mh-unseen-updated-hook

Invoked after the unseen sequence has been updated. The variable
`mh-seen-list' can be used to obtain the list of messages which will
be removed from the unseen sequence

** Bug Fixes in mh-e 6.0

*** mh-edit-again and mh-extract-rejected-mail

Now insert a header separator (--------) which packages such as
mailcrypt expect.

*** mh-find-progs

Now uses `mhparam' to set `mh-lib-progs' and `mh-lib'. Added more
directories to `mh-progs' so that mh-e can autoconfigure in more
environments. Chances are that you no longer have to set these
variables, and if you do, you will only have to set `mh-progs'.
Unless, of course, you are using an ancient version of MH that doesn't
have `mhparam'.

*** mh-folder-mode-map

The DEL/<delete>/<backspace> change in Emacs 21 broke
`mh-previous-page'. This has been fixed (closes SF #228907).

*** mh-forward

If you had "forw: -mime" to your .mh_profile, forwarding a message
resulted in:

  Search failed: "^------- Forwarded Message"

In addition, the Subject field was not filled in. This has been fixed
(closes SF #223603).

*** mh-kill-folder

The user is now always prompted before this action; the variable
`mh-do-not-confirm' is no longer consulted here. Therefore users who
wanted to set `mh-do-not-confirm' but didn't because of the
`mh-kill-folder' dependency may now do so.

*** mh-make-folder-mode-line

Properly deals with folders that do not have any lines in them. Prints
"no msgs" instead of "0 msgs". Does not try to print a range when
there are no messages.

*** mh-mhn-compose-insertion

Now gets the MIME type automatically (assuming the local file command
supports the -i and -b options). If this use of the file command is
not supported, the list of MIME types has been expanded to use the
system's mailcap file.

*** mh-nmh-p

This variable (t when nmh is in use rather than MH) assumed that the
string "nmh" is in `mh-lib-progs' or `mh-lib'. This has been fixed
(closes SF #441776).

*** mh-refile-msg

No longer lets you specify an empty folder (closes SF #476824).

*** mh-regenerate-headers

Now suppresses "scan: bad message list" messages.

*** mh-print-msg

This function was looking for `mhl' in the wrong place on nmh on
Redhat LINUX 7.0. This has been fixed (closes SF #481128).

*** mh-show

Now updates `cur' sequence after a message is shown (closes SF #481772).

*** mh-showing

Renamed variable and function to `mh-showing-mode' to conform with
minor mode conventions. Added optional arg to function so it would
behave like a normal minor mode: no or nil arg toggles mode, 0 arg
turns off, non-nil turns on. This fixed the error that occurred when
`desktop-create-buffer' recreated mh-e buffers because it was calling
`mh-showing' with an arg.

*** mh-version

Fixed for nmh. Now displays mh-e version correctly. Cleaned up output
and display `mh-progs', etc.

*** mh-widen

Now attempts to stay on the same message number (closes SF #480922).

No longer wipes out pending deletes and refiles without warning
(closes SF #481036).

\f
* Changes in mh-e 5.0.2

This version contains additional minor changes to integrate it with
reporter.el (requires reporter.el version 3.1c or later) and Emacs
19.30.  The mh-goto-msg function is much faster, which also speeds up
several other operations.

\f
* Changes in mh-e 5.0.1

This version contains minor changes from mh-e 5.0 to integrate it with
Emacs 19.29.

\f
* User-visible changes to mh-e 5.0

Note: This being a major release, there are many internal changes.
This document lists only changes to the external interfaces of mh-e.

When upgrading, you must either explicitly reload the new versions of
all mh-e files that are already loaded or restart your Emacs.


** Major Changes and New Features in mh-e 5.0

The emphasis for this release has been on consistency and
documentation. Many documentation strings were enhanced. Documentation
strings were changed to comments for internal functions and variables.

*** There is now proper documentation in the form of a 75-page users
manual. The Texinfo source is mh-e.texi; the formatted Info document
is mh-e.info.

*** There is a new command `mh-update-sequences', which updates MH's
idea of what messages are in the Unseen sequence and what is the
current folder and message. `mh-quit' calls it. While
`mh-execute-commands' has always done this updating as a side effect,
the new function is faster.

*** The MH profile entry "Inbox:" is supported.

*** If the show-buffer is modified, the user is queried before mh-e
reuses the buffer to show a different message. This buffer is also
auto-saved and backed up correctly.

*** `mh-store-buffer' is significantly more robust. It now handles
messages created by a wide variety of packaging software. The status
message for `uudecode' includes the name of the file created. An error
is signaled if the subprocess exits with a non-zero status.

*** `mh-search-folder' behaves predictably, adding messages found to
the `search' sequence. It correctly handles the case of no messages
found.

*** `mh-burst-digest' (`M-b') now only rescans the part of the folder
affected by the burst. It is now much faster in a large folder.


** New Hooks and Customization Variables in mh-e 5.0

*** `mh-default-folder-for-message-function': new name for the old
`mh-msg-folder-hook', which wasn't a hook. The old name was confusing,
leading people to think they could use `add-hook' with it, when
actually `setq' is the correct way.

*** `mh-sortm-args': When this variable is used has changed. Now
`mh-sortm-args' is passed if there IS a prefix argument to
`mh-sort-folder'. The assumption is that for arguments you normally
want, you would specify them in an MH profile entry.

*** `mh-mhn-args': new hook, a list of additional arguments to pass to
the `mhn' program if `mh-edit-mhn' is given a prefix argument.

*** `mh-edit-mhn-hook': new hook called by `mh-edit-mhn', the function
that formats MIME messages.

*** `mh-folder-list-change-hook': new hook, called whenever the cached
list of folders, `mh-folder-list', is changed.

*** `mh-find-path-hook': new hook, called when entering mh-e.

*** `mh-repl-formfile': new variable, used to change the format file
used by `mh-reply' from the default of "replcomps".

*** New variables to customize the scan format and notating:
`mh-note-deleted', `mh-note-refiled', `mh-note-seq', `mh-note-cur',
`mh-note-copied', `mh-note-printed'.


** Key Binding Changes in mh-e 5.0

*** `RET' runs `mh-show' for consistency with the Finder and Info. The
old binding `.' still works, but `RET' is now the standard binding.

*** `M-<' now runs `mh-first-msg' for consistency with `M->', which
runs `mh-last-msg'.

*** `C-c C-f C-d' in MH-Letter mode moves to a Dcc: header field.

*** `C-c C-f C-r' in MH-Letter mode moves to a From: header field.

*** `g' is now the standard binding for `mh-goto-msg'. The old binding
`j' still works.


** Other Improvements and Changes to mh-e 5.0

*** `mh-lpr-command-format' no longer passes the "-p" argument to
`lpr' by default. The mail header typically has the date anyway.

*** When prompting for a sequence name, if no sequences have been used
yet, mh-e will offer the first sequence the current message is in.

*** The patterns of more mailers are recognized by
`mh-extract-rejected-mail'.

*** `mh-insert-prefix-string' no longer wraps the call to the
`mail-citation-hook' function in a `save-excursion' so the hook writer
can choose whether to leave point at the beginning or the end of the
yanked text.

*** `mh-write-msg-to-file': The prompt now refers to "message" or
"message body" depending on which will be written. (This is controlled
by a prefix argument.) The file defaults to the last-used file instead
of supplying only the directory name.

*** mh-e uses message ranges when running MH commands. Thus "rmm 1 2 3
4 6" is now "rmm 1-4 6". This change makes it less likely to overflow
system argument list limits, and it might be faster, too.


** Bug Fixes to mh-e 5.0

*** mh-e's idea of the unseen sequence now stays in sync with MH's
better.

*** Functions that are supposed to find fields in the message header
no longer look in the message body.

*** mh-e would sometimes fail to remove the "%" from a scan line when
the message was removed from a sequence if the message was also in the
Previous sequence.

*** The variable `mh-inc-prog' is now correctly used in all places.

*** `mh-pipe-msg' runs the process in the correct directory.

*** A partially scanned folder will no longer lose the "/select"
annotation when you execute marked deletes and refiles with `x'.

\f
* Changes to mh-e 4.0

This file is automatically generated from news-mh-e.txinfo.  Do not edit.

[MH-E-ONEWS has been incorporated here and removed. news-mh-e.txinfo
is no longer available.]

Note: there are many internal changes to mh-e in this release.  If you
have the previous version loaded into your Emacs, you will probably not
be able to load this version on top of it.

** New Features in mh-e 4.0

*** Background folder collection. The first time you are prompted for
a folder, you must wait while mh-e collects the names of all existing
folders. Now however, if you abort, collecting will continue in the
background, and you can do something else in Emacs until the
collection completes. Normally, mh-e will begin collecting folders
names in the background when you first load it; you can disable this
feature by setting `mh-auto-folder-collect' to nil.

*** There is support for composing MIME messages using the `mhn'
program from MH 6.8. See the documentation string for mh-edit-mhn.
(While composing a letter, type `C-h k C-c C-e'.) See also mhn(1).
There is as yet no support for reading MIME messages.

*** `mh-show', typically on `.', repositions to the start of the
message if the message is already visible. It used to do nothing in
this case.

*** The function `mh-unshar-msg' is renamed `mh-store-msg'. It now
does uudecoding, too. Someday it should do MIME. It remembers the last
directory you used and offers it as the default for next time.

*** New function `mh-header-display', on `,', displays the message
with all headers, including those normally not displayed. Type `.' to
display the message normally again.

*** New function `mh-list-sequences' lists the sequences in use in the
current folder.

*** New function `mh-version' displays version information about MH
and mh-e. Please use the output in bug reports.

*** `mh-quit' now burys the folder buffer and show buffer.


** New hooks and customization variables in mh-e 4.0

*** `mh-pick-mode-hook': new hook called by new mode `mh-pick-mode'.
The pick buffer didn't used to have its own mode. Another advantage of
`mh-pick-mode' is that `C-h m' works in the pick buffer.

*** `mail-citation-hook': new variable for supercite.

*** `mh-refile-msg-hook': new hook called by `mh-refile-msg' (and
`mh-refile-or-write-again' when refiling).

*** `mh-msg-folder-hook': new hook used by `mh-refile-msg' and
`mh-to-fcc' to provide a default folder for user prompt.

*** `mh-show-hook': new hook called by `mh-show'.

*** `mh-delete-msg-hook': new hook called by `mh-delete-msg'.

*** `mh-show-mode-hook': new hook called by new mode `mh-show-mode'
for `show-' buffers.

*** `mh-comp-formfile': new variable so can customize `components'
file.

*** `mh-sortm-args': new variable, a list of extra arguments to be
passed to sortm by `mh-sort-folder'. Give an argument to
`mh-sort-folder' to suppress this behavior.

*** `mh-send-prog': new variable so can customize name of `send'
program in case of name conflicts.

*** `mh-scan-prog': new variable so can customize name of `scan'
program to generate custom effects.

*** `mh-inc-prog': new variable so can customize name of `inc' program
to do fancy management of incoming messages.

*** `mh-forwarded-letter-subject': new function used by `mh-forward'
to compute the Subject line of the new message. It is a small function
which can be replaced by the user for customization. Uses the new
variable `mh-forward-subject-format', which allows some simple
customizations without rewriting even `mh-forwarded-letter-subject'.

*** `mh-new-draft-cleaned-headers': new variable, header lines removed
by `mh-edit-again' and `mh-extract-rejected-mail' before offering a
message as a new draft.

*** `mh-signature-file-name': new variable used by
`mh-insert-signature' to so can customize name of the file to insert.

*** `mh-read-address': new function called to read all To: and Cc:
addresses.

*** `mh-msg-folder-hook': new hook used by `mh-refile-msg' and
`mh-to-fcc' to provide a default folder for user prompt.


** Key binding changes in mh-e 4.0

*** `,' runs new function `mh-header-display'. It is like `.' but it
displays *all* the headers.

*** `M-#' runs the new function `mh-delete-seq'. One used to have to
type `C-u M-%' to delete a sequence.

*** `<' no longer does `mh-first-msg', but `M->' now does
`mh-last-msg'. This allows first and last to be consistent (`>' was
taken) and is more likely to be discovered by chance anyway.

*** `M-d' runs `mh-redistribute', `r' runs `mh-reply' (on the theory
that the more commonly used function should be easier to type, and the
obscure action of redistributing can be harder to type).

*** `M-o' changed to `C-o' (`mh-write-msg-to-file'). It was
interfering with arrow keys for some people.

*** `M-n' now runs `mh-store-msg' (formerly `mh-unshar-msg').

*** `b' no longer runs `mh-quit'; use `q' instead. `b' may be used in
a future version for something else.


** Minor improvements to mh-e 4.0

*** The mh-e code is now divided into multiple Emacs Lisp files, so it
starts up faster because Emacs doesn't have to load all of it at once.
(This change also makes it easier for the maintainer to manage
things.)

*** When searching for the directory containing the MH programs,
search the user's PATH in addition to the built-in directories, to
increase the chance of finding the MH programs.

*** The subject for a forwarded message no longer has ugly square
brackets around it.

*** The name of the folder is no longer appears twice in the show
buffer mode line.

*** When typing a folder name in the minibuffer, parent folders
complete to the trailing slash (/), for easier typing of subfolders.

*** The folder buffer mode name changed from `mh-e scan' or `mh-e
show' to `MH-Folder', which makes the hook name easier to guess. Added
`mh-showing' to `minor-mode-alist' so there is still an indication in
the mode line of whether messages will be shown automatically.

*** `mh-rename-seq' does completion on the old sequence name.

*** If called by a user who has never used MH on this system before,
mh-e runs the MH program `install-mh' to get them set up.

*** Undo history for previous messages is not kept to avoid wasting
memory.

*** The internal temp buffer used by mh-e has `buffer-offer-save'
explicitly nil. This change benefits people who change the
`buffer-offer-save' default.


** Bug fixes to mh-e 4.0

*** `mh-to-field': don't bomb if no To: field.

*** `mh-get-new-mail': restore annotations, e.g., cur, even if no new
mail.

*** `mh-rename-seq': verify that the new seq name was accepted by
`mark' before updating state.

*** `mh-internal-seq': the Previous sequence is not notated, since it
would notate everything scanned.

*** `mh-read-draft': don't call `find-file-noselect' so an
`auto-mode-alist' doesn't trigger `mh-letter-mode-hook' twice. Faster,
too.

*** `mh-show': If user moves onto a message that doesn't exist, don't
leave the cursor in the show pane.

*** `mh-delete-scan-msgs': use `equal', not `=', on the result of
`mh-get-msg-num', since it may be nil.

*** `mh-get-field': do anchored search so searching for `reply-to:'
doesn't find `in-reply-to:'.

*** `mh-widen': do nothing if not narrowed.

*** `mh-clean-message-header': find end of headers even if no body.

\f
Local variables:
mode: outline
paragraph-separate: "[  \f]*$"
end: