(rmail-toggle-header): Redo previous change;
don't move point if possible.
(rmail-count-screen-lines): Add.

(byte-compile-lambda): Fix previous change.

(main): Don't implement --version if not initialized.

(customize-group-other-window): Fix previous change.

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(vc-dired-hook): Kill excluded directories recursively.

Handle the new convention that `position' values
in a string's intervals start from zero.
(validate_interval_range, interval_of, Fnext_property_change)
(property_change_between_p, Fnext_single_property_change)
(Fprevious_property_change, Fprevious_single_property_change):
(Ftext_property_any, Ftext_property_not_all): Implement that.

Undo previous change.

(create_root_interval): Initialize position to 0
for a string.
(interval_start_pos): New function.
(find_interval): Handle string positions starting at 0.
(adjust_intervals_for_insertion): Likewise.
(adjust_intervals_for_deletion): Likewise.
(compare_string_intervals): Likewise.
(graft_intervals_into_buffer): Set `position' in reproduce_tree value.
(copy_intervals): Init `position' to 0.

(DECODE_FILE, ENCODE_FILE):
Use code_convert_string_norecord.

(code_convert_string_norecord): New function.
Does encoding or decoding but doesn't set Vlast_coding_system_used.

(find-function-noselect): Don't call
format twice with the error message.  Quote the function name
before splicing into regexp.

(list-character-sets-1): New subroutine.
(list-character-sets): Use it.
(list-coding-systems-1): New subroutine.
(list-coding-systems): Use it.
(list-input-methods-1): New subroutine.
(list-input-methods): Use it.
(mule-diag): Avoid method of displaying text in *Help* then copying it.
Instead, insert it directly into *Mule-Diagnosis*.
Use list-character-sets-1, list-coding-systems-1, list-input-methods-1.
Copy the code from list-fontsets and list-coding-categories.
Improve the display buffer's header.

(toggle-read-only): When exiting View mode, locally
set view-read-only to t so another toggle will re-enable View mode.

(View-exit-and-edit): Bind view-no-disable-on-exit to nil.

(sys_subshell): Cast arg to chdir.
(init_sys_modes): Cast arg to setbuf or setvbuf.

(syms_of_keyboard): Doc fix for suggest-key-bindings.

(normal-top-level-add-subdirs-to-load-path): Ignore
CVS directories too.

(string_to_non_ascii_char): Don't check the arg
EXCLUDE_TAIL_GARBAGE for an invalid composite characters.

(customize-group, customize-group-other-window)
(custom-buffer-create, custom-buffer-create-other-window)
(customize-browse): Use pop-to-buffer.
(same-window-regexps): Add autoload to add regexp to match custom bfrs.

(Info-exit): Use quit-window.

(rmail-toggle-header): Preserve point
and window-start (more or less) when reverting to original header.

(detect_coding_mask): Initilize local variable C.

(shrink-window-if-larger-than-buffer):
Switch to the specified window and its buffer at the outset.
(count-windows): Doc fix.

(archive-extract): Fix handling of 'view option.

(apropos-variable): Fixed argument to apropos-command.
(apropos-command): Let `var-predicate' have higher priority than
`do-all'.

(help-setup-xref): Change all callers to
use (function args...) instead of (function . arg).  Doc fix.
(help-follow): Put (point) at front of elts of help-xref-stack.
(help-xref-stack): Elt format now (POSITION FUNCTION ARGS).
(help-xref-stack-item): Doc fix.
(help-xref-go-back): Assume new format for help-xref-stack.
(help-follow): Look for prop on previous char if next char has none.
Avoid error at beginning or end of buffer.
(describe-bindings): New optional arg BUFFER.
Use help-setup-xref.

(event-apply-alt-modifier, etc): Doc fixes.

(main): Test `initialized' before clearing *Messages*.

(SOCKLEN_TYPE): Define as int.

Remember the last TWO strings skipped with #@.
(prev_saved_doc_string*): New variables.
(Fload): Initalize prev_saved_doc_string.
(read1): Copy saved_doc_string to prev_saved_doc_string
before storing a new string in saved_doc_string.
(read_list): Look in prev_saved_doc_string as well as
in saved_doc_string.

(read1): Swap saved_doc_string_length and
prev_saved_doc_string_length.
(read_list): Negate docstring position if negative before checking
against saved_doc_string_length et al.

(read_vector): Add bytecodeflag parameter, which is
nonzero when reading a bytecode object.  If
`load-force-doc-strings' is t when reading a lazily-loaded
bytecode vector, the loaded docstring must be treated as unibyte
and passed to Fread to obtain the actual bytecode string and
constants vector.
(read1): Add extra parameter to read_vector calls.

(read1): Enable saving of doc strings on WINDOWSNT.
(read_list): Call get_doc_string instead of read_doc_string, when
forced to load doc strings.

(Fcall_process): Avoid initializer on auto struct.

(sgml-font-lock-keywords-1): Add -. as
NMCHARs.  Elide upper case (see font-lock-defaults).  Generalize
comment declaration not to exclude markup.

Use 1 as explicit value of empty #defines.

(LOCAL_FLAGS): Define HAVE_CONFIG_H.

(sys_wait): Rename to wait.

Undefine _WINSOCKAPI_.

(CFLAGS): Do not define HAVE_NTGUI.

(LOCAL_FLAGS): Define HAVE_NTGUI if appropriate.

(install-arch-indep): Don't die if site-lisp/ isn't writable.

(Finsert_file_contents): Fix char signedness mismatches.

(doprnt1): Fix char signedness mismatches.

(Fredraw_frame): Don't erase frame or its glyph records
if it hasn't got any.

(which-func-ff-hook): If imenu gets error,
clear which-func-mode.

(grep): Fix previous change.

Many doc fixes.

(tar-extract): Pass HIGHEST=t to detect-coding-region.

(keyboard-quit): Doc fix.

Bind f2 and C-x 6 prefixes
only via an autoload, not when this file is loaded.

(coding-system-mnemonic): Don't crash if arg is nil.

(easy-mmode-define-minor-mode): Add missing format arg.

(w32_fatal_reload_error): Update error message.

(sys_rename): Handle filenames with accented characters.
(stat): Handle "c:/.." and "/.." specially.

(sys_spawnve): Place Emacs pid in EM_PARENT_PROCESS_ID.

(VS_VERSION_INFO): Define.

(getppid): Look for EM_PARENT_PROCESS_ID.

(finder-known-keywords): Fix `convenience' entry.

(distclean): Delete config.stamp, stamp-oldxmenu.

(cperl-style-alist): New variable, since `c-mode'
is no longer loaded.
- (Somebody who uses the styles should check that they work OK!)
- (a lot of work is needed, especially with new
  `cperl-fix-line-spacing').
Old value of style is memorized when choosing a new style, may be
restored from the same menu.
(cperl-perldoc, cperl-pod-to-manpage): New commands; thanks to
Anthony Foiani <afoiani@uswest.com> and Nick Roberts
<Nick.Roberts@src.bae.co.uk>.
(`Perl doc', `Regexp'): New submenus (latter to allow short displays).
(cperl-clobber-lisp-bindings): New cfg variable.
(cperl-find-pods-heres): $a->y() is not y///.
(cperl-after-block-p): Add save-excursion.
(cperl-init-faces): Was failing.
Init faces when loading `ps-print'.
(cperl-toggle-autohelp): New command.
(cperl-electric-paren): `while SPACE LESS' was buggy.
(cperl-init-faces): `-text' in `[-text => 1]' was not highlighted.
(cperl-after-block-p): was FALSE after `sub f {}'.
(cperl-electric-keyword): `foreachmy', `formy' expanded too,
Expands `=pod-directive'.
(cperl-linefeed): behaves reasonable in POD-directive lines.
(cperl-message-electric-keyword): new cfg variable.
(cperl-electric-keyword): print a message, governed by
`cperl-message-electric-keyword'.
(cperl-electric-paren): Typing `}' was not checking for being
block or not.
(cperl-beautify-regexp-piece): Did not know about lookbehind;
finding *which* level to work with was not intuitive.
(cperl-beautify-levels): New command.
(cperl-electric-keyword): Allow here-docs contain `=head1'
and friends for keyword expansion.
Fix for broken `font-lock-unfontify-region-function'.  Should
preserve `syntax-table' properties even with `lazy-lock'.
(cperl-indent-region-fix-else): New command.
(cperl-fix-line-spacing): New command.
(cperl-invert-if-unless): New command (C-c C-t and in Menu).
(cperl-hints): mention 20.2's goods/bads.
(cperl-extra-newline-before-brace-multiline): Started to use it.
(cperl-break-one-line-blocks-when-indent): New cfg variable.
(cperl-fix-hanging-brace-when-indent): New cfg variable.
(cperl-merge-trailing-else): New cfg variable.
Workaround for another `font-lock's `syntax-table' text-property bug.
`zerop' could be applied to nil.
At last, may work with `font-lock' without setting `cperl-font-lock'.
(cperl-indent-region-fix-constructs): Renamed from
`cperl-indent-region-fix-constructs'.
(cperl-fix-line-spacing): could be triggered inside strings, would not
know what to do with BLOCKs of map/printf/etc.
(cperl-merge-trailing-else): Handle `continue' too.
(cperl-fix-line-spacing): Likewise.
(cperl-calculate-indent): Knows about map/printf/etc before {BLOCK};
treat after-comma lines as continuation lines.
(cperl-mode): `continue' made electric.
(cperl-electric-keyword): Electric `do' inserts `do/while'.
(cperl-fontify-syntaxically): New function.
(cperl-syntaxify-by-font-lock): New cfg variable.
Make syntaxification to be autoredone via `font-lock',
switched on by `cperl-syntaxify-by-font-lock', off by default so far.
Remove some commented out chunks.
(cperl-set-style-back): Old value of style is memorized when
choosing a new style, may be restored from the same menu.
Mode-documentation added to micro-docs.
(cperl-praise): updated.
(cperl-toggle-construct-fix): New command.  Added on C-c C-w and menu.
(auto-fill-mode): added on C-c C-f and menu.
(cperl-style-alist): `PerlStyle' style added.
(cperl-find-pods-heres): Message for termination of scan corrected.
(cperl-speed): New variable with hints.
(cperl-electric-else): Make backspace electric after
expansion of `else/continue' too.
Fixed customization to honor cperl-hairy.
Created customization groups.
All the compile-time warnings fixed.
(cperl-syntaxify-by-font-lock): Interaction with `font-lock-hot-pass'
fixed.
(cperl-after-block-and-statement-beg): It is BLOCK if we reach lim
when backup sexp.
(cperl-after-block-p, cperl-after-expr-p): Likewise.
(cperl-indent-region): Make a marker for END - text added/removed.
(cperl-style-alist): Include `cperl-merge-trailing-else'
where the value is clear.
(cperl-styles-entries): Likewise.
(cperl-tips, cperl-problems): Improvements to docs.

Undo May 15 change.

(compilation-scroll-output): Correct the :version
keyword to be a string.

(mule-diag): Don't call help-mode.
Instead, call print-help-return-message.

(syms_of_charset): Put \n\ at eol of docstring.

(Fscroll_up, Fscroll_down, Fscroll_other_window): Doc fix.

Update version number.

(ediff-mark-for-hiding-at-pos)
(ediff-mark-for-operation-at-pos): Renamed from
ediff-mark-for-hiding, ediff-mark-for-operation.
(ediff-mark-session-for-hiding, ediff-mark-session-for-operation)
(ediff-unmark-all-for-operation, ediff-unmark-all-for-hiding): New
functions.
(ediff-setup-meta-map): Changed bindings.

(viper-surrounding-word): Added '_' to alpha modifiers.

(viper-skip-syntax): Bug fix for eob/bob cases.

(viper-backward-Word, viper-skip-separators): Bug fixes.
(viper-switch-to-buffer, viper-switch-to-buffer-other-window): Bug fixes.

(ffap-bindings): Fix the dired-at-point binding.

Added support for Scheme.
Removed Info-lookup minor mode.
(info-lookup-file-name-alist): New variable.
(info-lookup-select-mode): New function.  Select help mode
according to info-lookup-file-name-alist or fall back to the
buffer's major mode.
(info-lookup): Use info-lookup-select-mode.
(info-lookup-interactive-arguments): Likewise.
(info-complete-symbol): Likewise.
(info-complete-file): Likewise.
(info-complete): Likewise.

(Fnext_property_change): Properly offset interval
position for string when comparing with LIMIT.
(property_change_between_p): Likewise.
(Fnext_single_property_change, Fprevious_property_change): Likewise.
(Fprevious_single_property_change): Likewise.

(command_loop_1): In shortcuts for forward-char etc,,
use FETCH_CHAR not FETCH_BYTE.

(ange-ftp-expand-file-name): Set default to
default-directory if nil.  Check whether default starts with a
drive specifier on windows-nt, as well as name, and call real
function if so.  Remove code to strip prefix before // or /~ since
`expand-file-name' itself no longer does that.
(ange-ftp-expand-dir): Use `grep-null-device' instead of
"/dev/null", which is incorrect on windows-nt.
(ange-ftp-file-name-all-completions): Fix root directory regexp for windows-nt.
(ange-ftp-start-process): On windows-nt, always send a "help foo"
command to ensure the ftp process produces some output, and force
the process to use raw-text-dos decoding.
(ange-ftp-canonize-filename): On windows-nt, strip drive specifier
from expanded remote name.
(ange-ftp-write-region): Allow binary transfer on windows-nt if
remote host type is unix.  Ensure `last-coding-system-used' is
given an appropriate value, so that basic-save-buffer isn't
confused by the coding used with the ftp process.
(ange-ftp-insert-file-contents): Ditto.
(ange-ftp-copy-file-internal): Ditto.
(ange-ftp-real-expand-file-name): Use standard definition on windows-nt.
(ange-ftp-real-expand-file-name-actual): Remove obsolete function.
(ange-ftp-disable-netrc-security-check): Make default value be t on windows-nt.

(ange-ftp-start-process): Undo previous change.

(mail-from-style): Rename new alternative to `system-default'.

(mail-from-style): Fix prev change.

(mail-from-style): New alternative, `default'.

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(sendmail-send-it):
If mail-from-style isn't angles, parens or nil, don't use -f option.

(comint-mode-map): Move bindings of
comint-next-matching-input-from-input to C-c M-r, and
comint-previous-matching-input-from-input to C-c M-s.
Move comint-get-next-from-history to C-c C-x.

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Minor fixes of earlier updates.

Add prototype for get_doc_string.

(get_doc_string): Make non-static.

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Add an entry for Scheme mode.

(comint-get-next-from-history): New command.
(comint-accumulate, comint-goto-process-mark): Likewise.
(comint-set-process-mark, comint-bol-or-process-mark): Likewise.
(comint-save-input-ring-index): New permanent local var.
(comint-accum-marker): Likewise.
(comint-send-input): Clear comint-input-ring-index
and comint-accum-marker.
(comint-previous-matching-input-from-input):
Use comint-accum-marker if set.
(comint-previous-matching-input): Likewise.
(comint-mode): Make those vars buffer-local and initialize.
(comint-mode-map): Make C-c C-a run comint-bol-or-process-mark.
Bind C-c SPC to comint-accumulate.  Bind C-c C-q to
comint-get-next-from-history.

(rmail-old-pruned): New permanent local.
(rmail-edit-current-message): Set rmail-old-pruned, then display full headers.
(rmail-cease-edit): rmail-old-pruned controls whether to prune headers.

(rmail-msg-is-pruned): Delete junk from definition.

Fix list of "special" buffers.

Add function to show equivalent date on all available calendars (in parallel
to what's available with popup menus).

(imenu-syntax-alist): Doc fix.

(rmail-output-to-rmail-file): Specify the coding system for writing.

(loaddefs.el): Load it earlier, and GC before and after
and a few more times later on.

(minibuffer-history-case-insensitive-variables): New var.
(previous-matching-history-element): Implement it.

(minibuffer-history-case-insensitive-variables):
Add file-name-history to it.

Clarify about omitting CONFIGURATION-NAME with configure.

(detect_coding_system): Treat CODING_EOL_INCONSISTENT
like CODING_EOL_UNDECIDED.

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Changes so bookmark list mode works with Info:
(bookmark-jump-noselect): Use an inner save-window-excursion.
(bookmark-bmenu-switch-other-window): Temporarily set
pop-up-windows, same-window-buffer-names, and same-window-regexps,
to override Info's special display behaviors.