Include <stdlib.h> if available, and declare abort only if not.  Include
<ctype.h>.

Add declarations for some functions.

Include <stdlib.h> if available.

Include <stdlib.h> if available.  Don't declare errno if it's a macro.

Include <unistd.h> if available.

(SYNTAX_COMMENT_NESTED, SYNTAX_FLAGS_COMMENT_NESTED):
Add support for nested comments.

(lisp_parse_state, back_comment, Fmodify_syntax_entry)
(Fforward_comment, scan_lists, scan_sexps_forward)
(Fparse_partial_sexp): Add support for nested comments.
(forw_comment): New subroutine used in them.

(bibtex-mode): Use with-temp-buffer rather than make-temp-name, use
match-string-no-properties, and eliminate a quadratic behavior when
building bibtex-strings.

(comint-input-ring-separator): New variable.
(comint-read-input-ring): Doc change; use
comint-input-ring-separator when reading file.
(comint-write-input-ring): Use comint-input-ring-separator when writing file.

Initial revision

(compile_pattern_1): Enable RE_CHAR_CLASSES for regexp.

[emacs]: Handle character classes for multibyte chars:
(ISBLANK, ISGRAPH, ISPRINT, ISALNUM, ISALPHA, ISLOWER)
(ISPUNCT, ISSPACE, ISUPPER): New definitions for emacs only.
(ISWORD): New macro.
(re_opcode_t): Add 2 bytes of flag bits to charset and charset_not.
(CHARSET_RANGE_TABLE): Update definition.
(CHARSET_RANGE_TABLE_BITS): New macro.
(print_partial_compiled_pattern): Skip charset's range table.
(struct range_table_work_area): New field `bits'.
(SET_RANGE_TABLE_WORK_AREA_BIT): New macro.
(BIT_ALNUM, BIT_ALPHA, BIT_WORD, BIT_GRAPH, BIT_LOWER, BIT_PRINT)
(BIT_PUNCT, BIT_SPACE, BIT_UPPER): New macros.
(CLEAR_RANGE_TABLE_WORK_USED): Clear field `bits'.
(RANGE_TABLE_WORK_BITS): New macro.
(IS_CHAR_CLASS): Check for "word".
(regex_compile): Set the `bits' field for some character classes.
Handle the `word' class.  Store the `bits' field into the range table.
(re_compile_fastmap): Handle flag bits in range table.
(re_match_2_internal): For charset and charset_not,
handle flag bits in the range table.

(mail-extr-all-letters-but-separators)
(mail-extr-first-letters, mail-extr-last-letters):
Use character classes [:alpha:] and [:alnum:].

(tags-loop-continue): After tags-loop-operate returns, force skip to next file.

Fix previous change.

(push, pop): New macros.

(compilation-error-regexp-alist): New item for SGI IRIX MipsPro compilers.

(eval-defun): Expand macros,
and specially handle defvar inside their expansions.
(eval-defun-1): New subroutine.

(compilation-error-regexp-alist):
Fix the Perl -w entry to allow period after line number.
Don't allow newlines in file name, but allow them after line number
for Perl debugging traces.

(speedbar-directory-buttons): Recognize
device names when checking for file names.

(read_input_waiting): Pass read_socket_hook just 4 args.

(print_help_and_exit): Mention --version.

*** empty log message ***

(array-reconfigure-rows): Use generate-new-buffer.

(Info-tagify): Don't insert more than one newline before the tag table.

(Info-tagify): Start by widening.
Match node headers that don't list the file name,
and more kinds of page separations.
Strip properties during tagification.
Use start of node header line as tag's position.
Fix the "done" message.

(Info-validate): Save and restore match data around narrowing down.

(compilation-parsing-end,compilation-setup)
(compilation-filter, compilation-forget-errors)
(compilation-parse-errors): Use a marker instead of an integer for
`compilation-parsing-end'.

(which-func-cleanup-function): New variable.
(which-function): Call that function.

(find-function-regexp): Allow a ) or ( to end a function name.

*** empty log message ***

deleted kermit clone from tasks per communication with rms

(struct Lisp_Cons, XCAR, XCDR, struct Lisp_Float): Change names of structure
elements if HIDE_LISP_IMPLEMENTATION is defined, to help detect code that uses
knowledge of the Lisp internals that it shouldn't have.
(XFLOAT_DATA): New macro.

(ada-tmp-directory): Use temporary-file-directory.

(metamail-region): Use temporary-file-directory.

(post-mail-send-it): Use temporary-file-directory.

(te-terminfo-directory): Use temporary-file-directory.

(ledit-zap-file, ledit-read-file, ledit-compile-file):
Use temporary-file-directory.

(dired-string-replace-match): Return `nil' when no match
found with global search.

(tex-compilation-parse-errors):
Use a marker instead of an integer for `compilation-parsing-end'.

(diff-parse-differences):
Use a marker instead of an integer for `compilation-parsing-end'.

(calendar-goto-astro-day-number): Autoload the right function name.

Call the new hook in every movement function.

(calendar-move-hook): New hook.

(dired-guess-shell-alist-default): Support bzip2 format.

(easy-mmode-define-minor-mode):
On repeated call, override previous values put into
minor-mode-map-alist and minor-mode-alist.

(USE_TOOLKIT_SCROLL_BARS): Move tests for
-lXaw3d, -lXpm, -ljpeg, -lpng, -ltiff, and -lgif, down
after the other X-related libraries.

(vc-backend-merge-news): Fix regexp to also match P marker
from cvs update.

Put quote-backquote around all symbol names
in doc strings, for mousing.
(time-stamp): support multi-line patterns.
(time-stamp-inserts-lines): new variable.
(time-stamp-count): new variable.
(time-stamp-string-preprocess): fixed bug where "%%a" becomes
"Thu" instead of "%a".

(find-file): Doc fix.

(resize_mini_window): Don't resize if
Vmax_mini_window_height is nil.  Otherwise, use a default if
Vmax_mini_window_height is not ot a number.
(syms_of_xdisp): Extend documentation of Vmax_mini_window_height.

(Frecenter): Clear frame if called with nil or no arg.

(Fforward_word): If in a mini-buffer and moving
backwards, stop in front of the prompt to prevent accidentially
moving into the read-only prompt.

(kill-word): Undo previous change.

(decode_options): Update version output.
(print_help_and_exit): Update bug report address.

Merge IRIX debugging info patch from unexsgi.c

Auto-detect .sbss section.
(round_up): Make it static.
(unexec): Declare alignment as Elf Word.  Skip ``Program
segment above .bss'' test on MIPS without .sbss.
Copy sections .got and .sdata1 sections.  Adjust offsets in
sections .sdata, .lit4, .lit8, .got and .sdata1.

Use unexelf for IRIX 5.*.

Use unexelf for IRIX 6.*.

(jit-lock-function): Extend the fontified range
to the beginning of the line containing the range start and
the beginning of the line following the range end.

(try_window_id): Remove typo.

(try_window_id): Recognize case that PT == ZV and in
unchanged text at the bottom when computing the cursor position.
(message3_nolog): Raise frame only if minibuffer_auto_raise is
set.

(PVEC_TYPE_MASK): Add the bit for hash tables.

(expose_window_tree): Fix typo CANON_Y_UNIT to
CANON_X_UNIT.

[HAVE_JPEG]: Work around a warning about HAVE_STDLIB_H
being redefined in jconfig.h.

(Qmargin): Replacement for Qbitmap_area.
(realize_basic_faces): Replace Qmargin for Qbitmap_area.
(syms_of_xfaces): Ditto.

(redisplay_window): Don't ever test just_this_one_p
before calling try_window.
(echo_area_display): If height has changed, update other windows.
(resize_mini_frame, resize_mini_initial_height): New.
(resize_mini_window): Save/restore window configuration
differently.

(Fset_window_point): Reset Vresize_mini_config.
(Fset_window_start): Ditto.
(set_window_buffer): Ditto.

(Vresize_mini_config, resize_mini_frame,
resize_mini_initial_height): Add extern declarations.

(adjust_frame_glyphs): Reset Vresize_mini_config.

(margin): Renamed from bitmap-area.

Mode provide to end.
(timezone-parse-date): Simplify somewhat.  Assume 2-digit years <70 are
2000+.
(timezone-parse-time): Simplify somewhat.

(gnus-emphasis-underline-italic): Doc fix.

(sql-sybase): use sql-server instead of sql-database.

(delete-extract-rectangle): Doc fix from verna.

Add/fix various doc strings.  Add `*' to all the interactive specs.

Include "ccl.h" instead of "../src/ccl.h".

(redisplay_internal): Clear garbaged frames after
resizing mini-window.
(unwind_with_echo_area_buffer): Use
set_buffer_internal_1 instead of set_buffer_internal.
(with_echo_area_buffer): Ditto.
(Vresize_mini_config): New.
(resize_mini_window): Use it to save restore original window
configuration
(syms_of_xdisp): Initialize it.
(reconsider_clip_changes): New.
(redisplay_internal, redisplay_window): Call it.
(mark_window_display_accurate, redisplay_internal): Set current
matrix' buffer, begv, zv.

(beg_unchanged, end_unchanged, unchanged_modified,
overlay_unchanged_modified): Removed.
(with_echo_area_unwind_data): Don't save beg/end_unchanged.
(unwind_with_echo_area_buffer): Don't restore them.
(debug_beg_unchanged, debug_end_unchanged) [GLYPH_DEBUG]: Removed.
(text_outside_line_unchanged_p, redisplay_internal,
try_scrolling): Use/set buffer-specific beg/end_unchanged.
(redisplay_window): Let try_window_id be called if more than one
window is displayed.  Use/set buffer-specific beg/end_unchanged.
(get_last_unchanged_at_beg_row, get_first_unchanged_at_end_row,
try_window_id):
Use buffer-specific beg/end_unchanged.
(beg_unchanged, end_unchanged, unchanged_modified,
overlay_unchanged_modified): Remove extern declarations.

(Fset_window_hscroll): Set
prevent_redisplay_optimizations_p instead of clip_changed.
(Fset_window_hscroll): Ditto.
(temp_output_buffer_show): Ditto.
(Fset_window_vscroll): Ditto.

(command_loop_1):  Set beg/end_unchanged per
buffer.

(gap_left): Use BUF_COMPUTE_UNCHANGED.
(gap_right): Ditto.
(modify_region): Ditto.
(gap_left): Compute beg/end_unchanged per buffer.
(gap_right): Ditto.
(adjust_after_replace): Likewise.
(replace_range, del_range_2, modify_region): Likewise.

(direct_output_for_insert):  Set beg_unchanged
and unchanged_modified per buffer.

(struct glyph_matrix): Add buffer, begv, and zv.

(code_convert_region): Compute beg/end_unchanged per
buffer.

(BUF_COMPUTE_UNCHANGED): New.
(struct buffer): Add prevent_redisplay_optimizations_p.
(BUF_UNCHANGED_MODIFIED, UNCHANGED_MODIFIED,
BUF_OVERLAY_UNCHANGED_MODIFIED, OVERLAY_UNCHANGED_MODIFIED,
BUF_BEG_UNCHANGED, BEG_UNCHANGED, BUF_END_UNCHANGED,
END_UNCHANGED): New.
(struct buffer_text):  Add beg_unchanged, end_unchanged,
unchanged_modified, overlay_unchanged_modified.

(set_buffer_internal): Set windows_or_buffers_changed
only if buffer is displayed somewhere.
(modify_overlay): Use BUF_COMPUTE_UNCHANGED.
(reset_buffer): Set clip_changed to 0 and
prevent_redisplay_optimizations_p to 1.
(Fget_buffer_create): Set prevent_redisplay_optimizations_p to 1.
(modify_overlay): Compute beg/end_unchanged
per buffer.
(Fget_buffer_create): Initialize new members of the buffer
structure.

(mark_glyph_matrix): Mark strings only.

Add prototype for copy_hash_table and Fcopy_hash_table.

(Qkey, Qvalue): Renamed from Qkey_weak, and Qvalue_weak.
(Qkey_value_weak):  Removed.
(make_hash_table): Use nil, `key', `value', t for weakness.
(Fmake_hash_table): Ditto.
(copy_hash_table): New.
(Fcopy_hash_table): New.

Octave-mode support: for the function index entries, allow the prefix
to also match optional return value list of form `[X Y ... Z] = '.

Call change_frame_size and do_pending_window_change with
new parameter.

(resize_mini_window): Do it for truncate-lines t as
well.
(redisplay_internal): Resize mini-window only if text might
have changed.
(display_echo_area): Reset displayed echo_area_buffer to nil
at the end if we're displaying a nil message.

(backward-kill-paragraph): Don't move
point into mini-buffer prompt.
(backward-kill-sentence): Ditto.

Call change_frame_size and do_pending_window_change with
new parameter.
(x_scroll_bar_create) [USE_TOOLKIT_SCROLL_BARS]: Clear
under scroll bar widget.

(face_at_buffer_position): Don't xassert that
window's buffers equals current_buffer; this is not the
case during echo area display.

Call change_frame_size and do_pending_window_change with
new parameter.
Remove conditional compilation on
NO_PROMPT_IN_BUFFER.
(get_next_display_element): Display \r as ^M.
(minibuffer_scroll_overlap): Removed because not used
anywhere.
(unwind_redisplay): Return nil.
(clear_garbaged_frames): New.
(redisplay_internal): Use it.
(echo_area_display): Ditto.
(resize_mini_window): Mew.
(display_echo_area_1): Use it to resize echo area window.
(redisplay_internal): Use it to resize active mini-window.
(echo_area_glyphs, echo_area_message,
echo_area_glyphs_length, previous_echo_glyphs,
previous_echo_area_message, previous_echo_area_glyphs_length):
Removed.
(Vmessage_stack, echo_area_buffer, echo_buffer,
display_last_displayed_message_p, Vwith_echo_area_save_vector): New.
(message2_nolog): Use set_message and clear_message.
(message3): Rename parameter len to nbytes to make clear what
it is.
(message3_nolog): Ditto.  Use set_message and clear_message.
(update_echo_area): Rewritten.
(with_echo_area_buffer): New.
(with_echo_area_buffer_unwind_data, unwind_with_area_buffer): New.
(setup_echo_area_for_printing): New.
(display_echo_area, display_echo_area_1): New.
(current_message, current_message_1): New.
(push_message, restore_message, pop_message,
check_message_stack): New.
(truncate_echo_area): Rewritten.
(truncate_message_1): New.
(set_message, set_message_1, clear_message): New.
(echo_area_display): Rewritten.
(redisplay_internal): Check for needed echo area update
differently.
(redisplay_preserve_echo_area): Rewritten.
(redisplay_window): Check for mini-window displaying echo area
message differently.
(syms_of_xdisp): Initialize Vmessage_stack and echo area buffers.
Remove initialzation of removed variables.
(init_xdisp): Remove references to removed variables.

Remove references to echo_area_glyphs
and previous_echo_glyphs.

Call change_frame_size and do_pending_window_change with
new parameter.

Remove conditional compilation on `standalone'.
(glyph_len, str_to_glyph_cpy, str_to_glyph_ncpy,
glyph_to_str_cpy):  Remove that section because GLYPHs are no
longer used in that way.
(PRINTDECLARE): Add multibyte.
(PRINTPREPARE, PRINTFINISH): Handle printcharfun t differently.
(printbufidx): Removed.
(printchar, strout): Rewritten.

Remove conditional compilation on
NO_PROMPT_IN_BUFFER.
(Fminibuffer_prompt_end): New.
(syms_of_minibuf): Defsubr it.  Remove
minibuffer-prompt-in-buffer.
(Fminibuffer_prompt_width): Return 0 if not in mini-buffer.
Extend documentation.
(read_minibuf): Use clear_message instead of
setting echo_area_glyphs.
(Fminibuffer_completion_help): Ditto.

Add function prototypes.
Add function prototypes and extern declarations for
new functions and variables.

Call change_frame_size and do_pending_window_change with
new parameter.
(ok_to_echo_at_next_pause): Make it a pointer to
a struct kboard.
(echo_kboard): New.
(echo_now): Set echo_kboard to the current kboard.
(cancel_echoing): Set echo_kboard to null.
(cmd_error_internal): Use clear_message, remove references
to echo_area_glyphs and echo_area_message.
(command_loop_1): Check for echo area messages differently.
(read_char): Likewise.
(record_menu_key): Use clear_message.
(Fexecute_extended_command):  Check for echo area messages
differently.  Use push_message, restore_message, pop_message.