(streq, strneq): Use == NULL rather than !.

(x_set_title): Check data type of NAME.

(Fmatch_data): Doc fix.

Major cleanup of unclear or overly picturesque language.

(set_frame_menubar): Call Fmatch_data with new explicit arguments.

(read_process_output, exec_sentinel):
Call Fmatch_data with new explicit arguments.

(mail-extract-address-components): Clear text props
after inserting ADDRESS.

(calendar-time-zone-daylight-rules): Add support
for daylight saving rules in Iran.
(require 'cal-persia) now needed.

(perform-replace): Undo previous change.
Instead, use the new match-data features to avoid consing.

(Fmatch_data): New args INTEGERS and REUSE.

(sendmail-user-agent): Avoid error for CONTINUE non-nil.

(LIBMAIL): New macro.  Conditionally includes -lmail.
(movemail): Use LIBMAIL, to link against -lmail.

(HAVE_LIBMAIL, HAVE_MAILLOCK_H, HAVE_TOUCHLOCK): Add #undefs.

Check for libmail, maillock.h and touchlock (for movemail).

(iso-languages): Add "german" entry.

(send_process) [EMACS_HAS_USECS]:
When we wait for the buffer to clear, wait just .02 second.

(compose-mail): Doc fix.

(set_point): Use virtual bounds, not real bounds,
in the abort test for POSITION.
Skip the intangibility test if POSITION is at either end of buffer.

(display-time-event-handler): Use let*.

(time-stamp-mail-host-name): Get rid of time-stamp-mail-host.

(perform-replace): Delete the code that checked
whether the regexp could match again right after this match.
It made the loop too slow.

(news-mail-reply, news-reply): Include the message
ID in the In-reply-to line.

(isearch-ring-adjust): Don't pop the state at the start.
Push the state at the end, not in the middle.

(dired-move-to-filename-regexp): Recognize various languages.

(ange-ftp-date-regexp): Recognize various languages.

(merge_properties_sticky): Don't discard explicit nil
properties.  Don't put on a front-sticky property if we inherit
one from the category that does the job.

(sendmail-send-it): Explicitly pass interactive delivery options to
sendmail.

(time-stamp-month-dd-yyyy): Use format-time-string.
(time-stamp-dd/mm/yyyy, time-stamp-mon-dd-yyyy, time-stamp-dd-mon-yy)
(time-stamp-yy/mm/dd, time-stamp-yyyy/mm/dd, time-stamp-yyyy-mm-dd)
(time-stamp-yymmdd, time-stamp-hh:mm:ss, time-stamp-hhmm): Likewise.
(time-stamp-month-numbers, time-stamp-month-full-names): Vars deleted.

(time-stamp-no-file): Reintroduced.
(time-stamp-string-preprocess): New function.
(time-stamp-string): Use time-stamp-string-preprocess.
(time-stamp-format): Doc fix.

(display-time-event-handler): Fix previous change.

Update VERSION to 2.4.2.

Add normal-auto-fill-function.

Update edition to 2.4b.

(sendmail-send-it): If no recipients, don't run
the mailer program.  If there was also no fcc file, signal error.

(mail-extract-address-components): Don't downcase
the domain part of the address.

(imenu-generic-expression): Doc fix.
(imenu--make-index-alist): Do `widen' and save-restriction here.
(imenu): Not here.

(socket_connection): Free realhost after using it.

Fix previous change.

(Finsert_file_contents): Handle BEG and END non-nil
when REPLACE is non-nil.

(describe-mode): Include minor modes that aren't buffer local.

(HAVE_LIMITS_H): Add #undef.

(limits.h): Check for this file.

Change defconsts to defvars.

(register-name-alist): Use defvar.

(only-global-abbrevs): Use defvar.

Change some defconsts to defvars.

Change defconsts to defvars.

(format-alist): Change defconst to defvar.

Change most defconsts to defvars.

(find-file-revert-without-query): New variable.
(find-file-noselect): Revert certain files without query
if the file has changed and the buffer has not.

(Fuser_full_name): Return nil if the specified user doesn't exist.
(init_editfns): Set Vuser_full_name to "unknown" if the user name
can't be resolved.

(x_set_scroll_bar_width): Reject a width that's too small.

(cpp-edit-load): Don't load anything if init-file-user is nil.
(cpp-edit-save): Doc fix.

(set_point): Check for intangible properties on overlays.

(Fnext_char_property_change): New function.
(Fprevious_char_property_change): New function.
(syms_of_textprop): defsubr them.

(outline-discard-overlays):
Use overlays-in, to ensure we get rid of empty overlays.

(menu-bar-tools-menu): Add items
Debugger, Compile and Search Files.

(rmail-summary-beginning-of-message):
Obey rmail-summary-size, and make sure summary is on top
if we split a single large window.

(rmail-summary-scroll-msg-down): If message is
not visible at all, use rmail-summary-beginning-of-message.
(rmail-summary-scroll-msg-up): Likewise.

(disabled-command-hook): Correctly keep the first
paragraph of the command's documentation.

(time-stamp-am-pm): Variable deleted.
(time-stamp-weekday-full-names): Likewise.
(time-stamp-weekday-numbers): Likewise.
(time-stamp-old-format-warn): Doc fix.

(time-stamp-strftime): Function deleted.
(time-stamp-string): Use format-time-string.
(time-stamp-format): Change default value
to work with format-time-string.

(display-time-event-handler): If Don't run the timer
for successive times that are already in the past.

(Info-mode): Default for `tab-width'.

Explain how disabled commands' doc strings are displayed.

Fix previous change.

(browse-url-url-at-point): Use thing-at-point.
(browse-url-looking-at): Function deleted.

(bounds-of-thing-at-point): Allow the end
to be at the same place as ORIG.
Try harder to find a thing that ends at ORIG.

(url): Move forward over colons.
Move back over colons at the end.
(thing-at-point-file-name-chars): Include @.

Don't load .custom if -q was used.

(byte-compile-insert-header): Fix previous change.

(syms_of_buffer): Doc fix (transient-mark-mode).

call-process does not create a buffer.

* config.guess:  Recognize machten.
From Eric W. Bates <ericx@vineyard.net>.

(Fwrite_region): Be careful not to destroy contents of
existing file when appending.

(goto-address-fontify): Use overlay, not text props.

(message2_nolog): Handle minibuffer_auto_raise.

(Fcall_process_region): Define missing local `count'.

(window_scroll): Don't set w->start or w->force_start if signaling an error.

(Fend_of_line, Fbeginning_of_line):
Use Fline_beginning_position, Fline_end_position.

(Vmenu_updating_frame): New variable.
(syms_of_xmenu): Set up Lisp var.
(Fx_popup_menu, set_frame_menubar): Initialize it.

(sort-columns): Don't use `sort' utility if the text has text properties.

(timer-next-integral-multiple-of-time): Doc fix.

(thing-at-point-url-chars): Allow comma, = and &.
(url): Move back over commas at the end.

(normal-top-level, command-line, command-line-1):
User w32 instead of ms-windows for window-system symbol.

(Fread_file_name_internal): Verify STRING is a string.
(Fread_file_name): Don't insert DIR or INITIAL if it isn't a string.

(gnus-button-alist): Allow whitespace in `<URL:...'
markup (rfc1738), done last, after possible partial matches.
(gnus-button-url): Zap any whitespace from a <URL:...> match.

(disabled-command-hook): Use `defvar' and add documentation string.
(disabled-command-hook): New option ! turns off disabled commands.

(Fuser_full_name): Use build_string instead of make_string.

(rs6000-ibm-aix4.2): New alternative.
(rs6000-ibm-aix4.0): New alternative.
(rs6000-ibm-aix4*): Assume aix 4.1 by default.

(Fend_of_line, Fbeginning_of_line): Declared.

(gnus-read-init-file): Don't load anything if init-file-user is nil.

(status_notify): Test p->infd > 0
before each call to read_process_output.
(read_process_output): Handle match data properly in recursive calls.
(exec_sentinel): Likewise.

(iconify-or-deiconify-frame): Define to be a
no-op, so commands that call it (like viper.el) work.

(texinfo-font-lock-keywords): Add `url', `email'.

(Fuser_full_name): Accept a string (the login name) as
a parameter.  Do ampersand expansion, if required.
(init_editfns): Use it.

(syms_of_minibuf): Doc fix.

(Fline_beginning_position, Fline_end_position): New fns.

(Fuser_full_name): Accept an optional UID and return
the full name of that user instead.

(Info-get-token): Find tokens where START matches

(PENTIUM:CPunix:4.0*:*): New case.

(mouse-drag-mode-line): Don't get error
about sole window, if we don't actually try to change the size.

(isearch-no-upper-case-p): Use downcase
so that we handle arbitrary kinds of casification.

(mail-reply-action): Renamed from mail-reply-buffer.
(mail-yank-original): Handle either an action or a buffer
in mail-reply-action.
(mail): Doc fix.

(mail-mode-fill-paragraph): New function.
(mail-mode): Set fill-paragraph-function.