GitLab

 	forward-char/backward-char to pay attention to multibyte
 	characters..

Change put-text-property with constant args to add-text-properties for efficiency.  Suggested by Stavros Macrakis <s.macrakis@opengroup.org>

declarations.
(popmail, pop_retr): Since popmail always passes mbx_write and mbf
into pop_retr, there's no reason to pass in mbx_write, and the
file argument can be declared FILE * explicitly.  This fixes a
compilation problem on systems with 64-bit pointers.

before doing the eval.
Handle (interactive ...) form specially.

match "RE:" as well as "Re:".

  New macros, to make hurd systems use the NeXT code for getting load averages.

Fix a bug of miscalculation of `size_in_chars' of a bool vector.
(Fset_char_table_range): When range is vector, make the original
char table deeper if necessary.

(READ_BUF_SIZE): New macro.
(Finsert_file_contents): Refer to a coding system in the docstring.
Perform character code conversion of a text read in.
(Fwrite_region): Refer to a coding system in the docstring.
Setup a coding system for character code conversion.
Pass a new arg `pre_write_conversion' (Lisp function) to
build_annotations.
Pass a new arg `coding' to a_write.
(build_annotations): Handle the new arg.
(a_write): Handle the new arg `coding' by passing it to e_write.
(WRITE_BUF_SIZE): New macro.
(e_write): Perform character code conversion of a text to write
out according to the new arg `coding'.

by Mule.

(mode-line-format): Include it.

2.  Commented out menu code.

exit message function in a way that works when async processes
aren't supported.
(grep): Use `grep-process-setup'.

(compile_pattern_1): Handle new argument `multibyte'.
(compile_pattern): Handle the flag `enable-multibyte-characters'.
(Vascii_downcase_table): Declare external.
(fast_string_match_ignore_case): New function.
(skip_chars): Handle multibyte characters.
(trivial_regexp_p): Handle regular expression "\\Cc" and "\\CC"
for category.

fontset.h.
(struct x_display_info): New members Xatom_PIXEL_SIZE,
Xatom_MULE_BASELINE_OFFSET, Xatom_RELATIVE_COMPOSE, and null_pixel.
(x_list_fonts, x_get_font_info, x_load_font, x_query_font):
Declare external.
(struct x_output): New members font_baseline and fontset.
(FRAME_FONTSET, FRAME_X_FONT_TABLE): New macros.

(PER_CHAR_METRIC): New macro.
(dumpglyphs): New argument CMPCHARP.  Handle multibyte characters.
(XTwrite_glyphs, redraw_previous_char, redraw_following_char):
Supply argument CMPCHARP to dumpglyphs.
(dumprectangle): Display whole glyph of wide-column characters.
Supply argument CMPCHARP to dumpglyphs.
(show_mouse_face): Supply argument CMPCHARP to dumpglyphs.
(x_draw_box): Pay attention to wide-column characters.
(x_draw_single_glyph): Supply argument CMPCHARP to dumpglyphs.
(x_new_font): Call fs_load_font for actual font loading work.
(x_new_fontset): New function.
(x_get_font_info, x_list_fonts, x_load_font, x_query_font): New
functions providing API to fontset handler.
(x_term_init): Initialize several new members of struct x_display_info.

(QCOMPOUND_TEXT): New variable.
(symbol_to_x_atom): Handle it.
(selection_data_to_lisp_data): Decode a selection data if
selection type is TEXT or COMPOUND_TEXT.
(lisp_data_to_selection_data): Encode a text to COMPOUND_TEXT if
it contains multibyte characters.
(syms_of_xselect): Initialize and staticpro QCOMPOUND_TEXT.

(Vx_pixel_size_width_font_regexp): New variable.
(x_set_font): Handle fontset.
(Fx_create_frame): Create fontsets in Vglobal_fontset_alist.
(Fx_list_fonts): Handle fontset.
(syms_of_xfns): Initialize Vx_pixel_size_width_font_regexp.
Setting callback functions for fontset handler.

(allocate_face, copy_face, face_eq1): Handle member `fontset' of
struct face, i.e. initialize, copy, and check it.
(intern_face, clear_face_cache): Handle member `non_ascii_gc' of
struct face, i.e. initialize and free it.
(free_frame_faces): Unload font only when fontset is not used.
Free non_ascii_gc.
(frame_update_line_height, merge_faces, compute_base_face): Handle
fontset.
(recompute_base_faces): Free non_ascii_gc.
(Fset_face_attribute_internal): Handle fontset.

(TS_end_italic_mode, TS_italic_mode, TS_bold_mode): New variables.
(TS_end_bold_mode, TS_end_underscore_mode): New variables.
(TS_underscore_mode): New variable.
(encode_terminal_code): New function.
(write_glyphs, insert_glyphs): Perform character code conversion
on output to a terminal.
(term_init): Initialize TS_bold_mode, TS_end_bold_mode,
TS_end_underscore_mode, and TS_underscore_mode.

characters.
(SYNTAX_ENTRY_FOLLOW_PARENT): New macro.
(SYNTAX_ENTRY): Handle syntax of multibyte characters.
(SYNTAX, SYNTAX_WITH_FLAGS, SYNTAX_MATCH): Don't signal error even
if a syntax entry is not cons.

(Vsyntax_code_object): New variable.
(Fmodify_syntax_entry): Handle multibyte characters.  A multibyte
character in matching parenthesis is also handled correctly.  Use
shared object in the vector Vsyntax_code_object for an ASCII
character.
(describe_syntax): Handle a multibyte character in matching
parenthesis.
(describe_syntax_1): Describe also parent syntax tables.
(scan_words, Fforward_comment): Handle multibyte characters.
(scan_lists, char_quoted, Fbackward_prefix_chars): Likewise.
(scan_sexps_forward): Likewise.
(init_syntax_once): Initialize Vsyntax_code_object.
Initialize Vstandard_syntax_table by share objects in
Vsyntax_code_object.
(syms_of_syntax): Staticpro Vsyntax_code_object.

decode_coding_system, decoding_buf, encode_coding_system, and
encoding_buf.

(proc_decode_coding_system, proc_encode_coding_system): New
variables.
(Fstart_process, create_process, Fopen_network_stream): Setup
coding systems for character code conversion.
(READ_CHILD_OUTPUT): New macro.
(read_process_output): Perform character code conversion of a
process output.
(send_process): Perform character code conversion of a text sent
to a process.
(Fset_process_coding_system, Fprocess_coding_system): New
functions.
(syms_of_process): Handle them.

(printchar, strout): Handle multibyte characters.
(print): Correct the value of size_in_chars of a bool vector.

(read_minibuf): Pay attention to multibyte characters in the arg
INITIAL while handling the arg BACKUP_N.
(scmp, Fminibuffer_complete_word): Handle multibyte characters.

(Vload_source_file_function): New variable.
(Fload): Call Vload_source_file_function if defined while loading
an Emacs Lisp source file.  */
(read_multibyte): New function.
(read_escape): Handle multibyte characters.
(read1): Correct the value of size_in_chars of a bool vector.
Handle the case `?' is followed by a multibyte character.
(Vload_source_file_function): New variable.

(GLYPH_MASK_PADDING, GLYPH_MASK_FACE, GLYPH_MASK_CHAR): New macros.
[HAVE_FACES] (FAST_MAKE_GLYPH, FAST_GLYPH_CHAR, FAST_GLYPH_FACE):
Use CHARACTERBITS.
[!HAVE_FACES] (FAST_MAKE_GLYPH, FAST_GLYPH_CHAR, FAST_GLYPH_FACE):
New macros.
[!HAVE_FACES] (GLYPH_CHAR, GLYPH_FACE): Mask appropriate bits.
(Fcoding_system_p, Fcheck_coding_system): Declare external.
(Fread_coding_system, Fread_non_nil_coding_system): Likewise.