Many doc fixes.
(ring-size, ring-copy): New functions.

(FRAME_X_FLAGS_AREA_COLS): Define it as the total width
of both margins.
(FRAME_X_FLAGS_AREA_WIDTH): Likewise.
(FRAME_X_LEFT_FLAGS_AREA_WIDTH): New.
(FRAME_X_RIGHT_FLAGS_AREA_WIDTH): New.

Remove unused bitmaps.
(continued_bits, continuation_bits, overlay_bits): Change images.
(x_draw_vertical_border): Use FRAME_X_RIGHT_FLAGS_AREA_WIDTH
instead of FRAME_X_FLAGS_AREA_WIDTH.
(x_after_update_window_line): Ditto.
(x_draw_bitmap): Likewise.
(x_draw_row_bitmaps): Likewise.
(x_draw_glyph_string_box): Likewise.
(x_draw_glyphs): Likewise.
(x_scroll_run): Likewise.
(expose_window_tree): Likewise.
(note_mode_line_highlight): Likewise.
(XTset_vertical_scroll_bar): Likewise.
(x_clip_to_row): Likewise.
(x_set_window_size): Likewise.

(x_figure_window_size): Use FRAME_FLAGS_AREA_COLS instead
of 2 * that value.

(window_box_width): Use FRAME_FLAGS_AREA_COLS instead of
2 * that value.
(window_box_left): Use FRAME_LEFT_FLAGS_AREA_WIDTH instead of
FRAME_FLAGS_AREA_WIDTH.

(coordinates_in_window): Use
FRAME_LEFT_FLAGS_AREA_WIDTH instead of FRAME_FLAGS_AREA_WIDTH.
(window_internal_width): Subtract FRAME_FLAGS_AREA_WIDTH once
instead of twice.

(set_frame_size): Set flags_area_extra to
FRAME_FLAGS_AREA_WIDTH instead of 2 * that width.
(EmacsFrameSetCharSize): Ditto.

(FRAME_WINDOW_WIDTH_ARG): Add in FRAME_FLAGS_AREA_COLS
once instead of twice.
(FRAME_LEFT_FLAGS_AREA_WIDTH): New.

(mode_line_string): Add FRAME_LEFT_FLAGS_AREA_WIDTH
instead of FRAME_FLAGS_AREA_WIDTH.

(WINDOW_DISPLAY_PIXEL_WIDTH): Subtract
FRAME_FLAGS_AREA_COLS once.
(WINDOW_DISPLAY_LEFT_EDGE_PIXEL_X): Add
FRAME_LEFT_FLAGS_AREA_WIDTH instead of FRAME_FLAGS_AREA_WIDTH.

(C_SWITCH_SYSTEM): Added to let configure find headers
in /usr/X11R6/include which are checked for with AC_CHECK_HEADER.

(USE_TOOLKIT_SCROLL_BARS): Move the test down after
the test for Xaw3d.
(HAVE_TIFF): Add -lm to library check.

(QCweakness): Replaces QCweak.
(Fmake_hash_table): Ditto.
(Fmakehash): Ditto.
(syms_of_fns): Ditto.

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Include <stdlib.h> if available.  Declare errno only if it is not a macro.

Include <stdlib.h> if available.

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.

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(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.

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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.