CHAR_STRING.
(Finsert_file_contents): Set Vlast_coding_system_used before
calling signal_after_change. Call update_compositions if some
texts are inserted..
(Fwrite_region): Adjusted for the change of a_write and e_write.
(a_write): Argument changed. Work based on character position,
not byte position.
(e_write): Argument changed. Handle new way of composition.
(struct glyph): Add new sub-structure cmp to the union `u'.
(enum display_element_type): New member IT_COMPOSITION.
(enum prop_idx): New member COMPOSITION_PROP_IDX.
(struct it): New members cmp_id, cmp_len.
(DECODE_CHARACTER_ASCII): Don't handle composition here.
(DECODE_CHARACTER_DIMENSION1): Likewise. Don't check the validity
of multibyte code here.
(DECODE_CHARACTER_DIMENSION2): Likewise.
(detect_coding_emacs_mule): Change the case label from
EMACS_leading_code_composition to 0x80.
(detect_coding_iso2022): Handle new composition sequence.
(DECODE_ISO_CHARACTER): Likewise.
(check_composing_code): Deleted.
(coding_allocate_composition_data): New function.
(CODING_ADD_COMPOSITION_START) (CODING_ADD_COMPOSITION_END)
(CODING_ADD_COMPOSITION_COMPONENT) (DECODE_COMPOSITION_START)
(DECODE_COMPOSITION_END) (DECODE_COMPOSITION_RULE): New macros.
(decode_coding_iso2022): Handle new composition sequence.
(ENCODE_ISO_CHARACTER): Don't check composition here.
(ENCODE_COMPOSITION_RULE) (ENCODE_COMPOSITION_START): New macros.
(ENCODE_COMPOSITION_NO_RULE_START)
(ENCODE_COMPOSITION_WITH_RULE_START): Deleted.
(ENCODE_COMPOSITION_END): Handle new composition sequence.
(ENCODE_COMPOSITION_FAKE_START): New macro.
(encode_coding_iso2022): Handle new composition sequence.
(ENCODE_SJIS_BIG5_CHARACTER): Delete superfluous `;' at the tail.
(encode_coding_sjis_big5): Ignore composition.
(setup_coding_system): Initialize new members of struct
coding_system. Enable composition only when the coding system has
`composition' property t.
(coding_free_composition_data) (coding_adjust_composition_offset)
(coding_save_composition) (coding_restore_composition): New
functions.
(code_convert_region): Call coding_save_composition for encoding
and coding_allocate_composition_data for decoding. Don't skip
ASCII characters if we handle composition on encoding. Call
signal_after_change with Check_BORDER.
(code_convert_string): Call coding_save_composition for encoding
and coding_allocate_composition_data for decoding. Don't skip
ASCII characters if we handle composition on encoding.
(code_convert_string1): Set Vlast_coding_system_used after calling
code_convert_string.
(code_convert_string_norecord): Disable composition.
(Fset_terminal_coding_system_internal): Likewise.
(Fset_safe_terminal_coding_system_internal): Likewise.
(Fset_keyboard_coding_system_internal): Likewise.
(init_coding_once): Set emacs_code_class[0x80] to
EMACS_invalid_code.
(casify_object): Use MAX_MULTIBYTE_LENGTH to allocate memory for a
multibyte character. Adjusted for the change of CHAR_STRING.
(casify_region): Likewise. Call update_compositions.
(xaw3d_arrow_scroll, xaw3d_pick_top): New variables.
(xt_action_hook): Replace XAW3D by XAW.
(xaw3d_jump_callback): Renamed to xaw_jump_callback.
(xaw_jump_callback): Renamed from xaw3d_jump_callback.
Determine epsilon dynamically and don't try to be too clever.
(xaw3d_scroll_callback): Renamed to xaw_scroll_callback.
(xaw_scroll_callback): Renamed from xaw3d_scroll_callback.
Handle both Xaw3d with arrow-scrollbars and with Xaw-style
scrollbar (using `ratio').
(x_create_toolkit_scroll_bar): Try to detect which style of Xaw3d
scrollbar we have so as to set it up more optimally and to fix
xaw3d_arrow_scroll and xaw3d_pick_top.
(x_set_toolkit_scroll_bar_thumb): Try to maintain 2 spare pixels at the
bottom of the Xaw3d scrollbar, to work around its tendency to refuse
shrinking the thumb. Also make sure that `XawScrollbarSetThumb'
is not ignored, using a major gross hack.
(x_initialize): Init default values for xaw3d_arrow_scroll and
xaw3d_pick_top.
duplicate definition of ElfW.
(find_section): Copied from unexsgi.c.
(unexec): Use find_section. Adjust whitespace. Initialize
new_data2_offset based on old_data, not sbss (this fixes a bug on
IRIX6). Change #ifdef __mips to __sgi, since it's IRIX-specific.
Adjust test for presence of .mdebug section to the new return
value of find_section.
Merge changes from 20.5.
(unexec): Handle .lit4 and .lit8 unconditionally.
* xfaces.c (XColor) [!HAVE_X_WINDOWS]: Provide a typedef for non-X
frames.
(Vface_tty_color_alist): Remove.
(tty_defined_color): New function.
(defined_color): Rewrite to support any type of frame.
(tty_color_name): New function.
(face_color_supported_p, Fface_color_gray_p,
Fface_color_supported_p): Support non-X frames.
(load_color): Enclose the color name in quotes, in the log
messages. Remove DOS-specific version of load_color.
(realize_tty_face): Take the supported colors from
tty-color-alist. Support translation of X colors to the closest
tty color, for both MSDOS and tty frames.
[MSDOS]: Don't invert face colors if they were taken from the
frame colors.
(Fface_register_tty_color, Fface_clear_tty_colors): Remove.
* frame.h (struct x_output) [!MSDOS, !WINDOWSNT, !HAVE_X_WINDOWS]:
Define a mostly empty surrogate.
(tty_display): Declare.
* frame.c (make_terminal_frame) [!macintosh]: Don't use
tty_display.
(Fframe_parameters): Don't invert colors of non-FRAME_WINDOW_P
frames when the frame's param_alist includes 'reverse.
(tty_display): Define.
(make_terminal_frame) [!MSDOS]: Assign &tty_display to the
output_data.x member.
(Fframe_parameters): Return foreground and background color names
on tty frames as well, in addition to MSDOS frames.
* msdos.h (DisplayWidth, DisplayHeight): Changes for Lisp_Object
selected_frame.
(struct x_output): Remove unused members; document who uses each
member.
(FRAME_PARAM_FACES, FRAME_N_PARAM_FACES, FRAME_DEFAULT_PARAM_FACE,
FRAME_MODE_LINE_PARAM_FACE, FRAME_COMPUTED_FACES,
FRAME_N_COMPUTED_FACES, FRAME_SIZE_COMPUTED_FACES,
FRAME_DEFAULT_FACE, FRAME_MODE_LINE_FACE, unload_color): Remove
unused macro definintions.
* msdos.c (IT_set_frame_parameters): Don't call
recompute_basic_faces, the next redisplay will, anyway.
(x_current_display): Remove unused variable.
Many functions: changes for Lisp_object selected_frame.
(IT_set_face): If the tty_reverse_p flag is set for the face,
reverse the foreground and background colors.
(Fmsdos_remember_default_colors): New function.
(syms_of_msdos): Defsubr it.
(IT_set_frame_parameters): Use initial_screen_colors[] when
creating a new frame. If the frame parameters include 'reverse,
swap the foreground and background colors.
(internal_terminal_init): Initialize initial_screen_colors to -1.
(syms_of_msdos): Add DEFVAR_BOOL for x-stretch-cursor, to shut up
cus-start.el.
* Makefile.in (lisp, shortlisp): Add lisp/term/tty-colors.elc.
* xfns.c (x_defined_color): Rename from defined_color. All
callers changed.
(Fxw_color_defined_p): Renamed from Fx_color_defined_p;
all callers changed.
(Fxw_color_values): Renamed from Fx_color_values; all callers
changed.
(Fxw_display_color_p): Renamed from Fx_display_color_p; all
callers changed.
(x_window_to_frame, x_any_window_to_frame,
x_non_menubar_window_to_frame, x_menubar_window_to_frame,
x_top_window_to_frame): Use !FRAME_X_P instead of
f->output_data.nothing.
* xterm.h (x_defined_color): Rename from defined_color.
* w32fns.c (x_window_to_frame): Use FRAME_W32_P instead of
f->output_data.nothing.
(Fxw_color_defined_p): Renamed from Fx_color_defined_p;
all callers changed.
(Fxw_color_values): Renamed from Fx_color_values; all callers
changed.
(Fxw_display_color_p): Renamed from Fx_display_color_p; all
callers changed.
* dispextern.h (tty_color_name): Add prototype.
* xmenu.c (menubar_id_to_frame): Use FRAME_WINDOW_P instead of
f->output_data.nothing.
* w32menu.c (menubar_id_to_frame): Likewise.
* w32term.h (w32_output): Declare.
* dosfns.c (Qmsdos_color_translate): Remove.
(msdos_stdcolor_name): Now returns a Lisp_Object.
* dosfns.h (Qmsdos_color_translate): Remove.
* s/msdos.h (INTERNAL_TERMINAL): Add entries for color support.
operators and handle them properly.
* regex.h (RE_ALL_GREEDY): New option.
(RE_UNMATCHED_RIGHT_PAREN_ORD): Moved to the end where alphabetic
sorting would put it.
(RE_SYNTAX_AWK, RE_SYNTAX_GREP, RE_SYNTAX_EGREP)
(_RE_SYNTAX_POSIX_COMMON): Use the new option to keep old behavior.
* fileio.c (strerror): Likewise.
* process.c (strerror): Likewise.
* emacs.c (strerror): Likewise.
(Vsystem_messages_locale): Renamed from Vmessages_locale.
All uses changed.
(Vprevious_system_messages_locale): Likewise, from
Vprevious_messages_locale.
(Vsystem_time_locale): Likewise, from Vtime_locale.
(Vprevious_system_time_locale): Likewise, from Vprevious_time_locale.
(ABORT_RETURN_TYPE): New macro.
(abort): Return type is now ABORT_RETURN_TYPE.
(main): Always invoke init_signals, even if POSIX_SIGNALS is not
defined.
(syms_of_emacs): messages-locale -> system-messages-locale,
previous-messages-locale -> previous-system-messages-locale,
time-locale -> system-time-locale,
previous-time-locale -> previous-system-time-locale.
* gmalloc.c (PP, __ptr_t): Assume ANSI C if STDC_HEADERS is defined.
(const): Do not define; that's config.h's job.
(<limits.h>): Include if HAVE_LIMITS_H is defined.
(CHAR_BIT): Move test for definedness outside of limits.h condition.
(<stddef.h>): Include if STDC_HEADERS is defined.
(FREE_RETURN_TYPE): New macro.
(free): Return type is now FREE_RETURN_TYPE.
* lisp.h (synchronize_system_time_locale): Renamed from
synchronize_time_locale. All uses changed.
(synchronize_system_messages_locale): Likewise, from
synchronize_messages_locale.
* process.c (sys_siglist): Remove.
* syntax.c (scan_sexps_forward): Use abort, not assert.
* sysdep.c (my_sys_siglist): New var.
(sys_siglist): New macro. Remove old initialized vars of same name.
(init_signals): Initialize sys_siglist.
* xfns.c (abort): Remove decl; stdlib.h now does this.
pass t to Fconstrain_to_field for ESCAPE-FROM-EDGE.
(preceding_pos): Function deleted.
(text_property_stickiness): Decrement POS directly.
Fix a confusion that used PT instead of POS.
(find_field): Properly handle the case
of a field boundary where `field' inherits from neither side.
(Ffield_beginning, Ffield_end): Doc fixes.
(Ferase_field, Ffield_string, Ffield_string_no_properties): Doc fixes.
