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(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.

EMACS_leading_code_composition.
(COMPOSING_NO) (COMPOSING_WITH_RULE_HEAD) (COMPOSING_NO_RULE_HEAD)
(COMPOSING_WITH_RULE_TAIL) (COMPOSING_NO_RULE_TAIL)
(COMPOSING_WITH_RULE_RULE) (COMPOSING_HEAD_P)
(COMPOSING_WITH_RULE_P): Macros deleted.
(COMPOSITION_DATA_SIZE) (COMPOSITION_DATA_MAX_BUNCH_LENGTH): New
macros.
(struct composition_data): New structure.
(CODING_FINISH_INSUFFICIENT_CMP): New macro.
(struct coding_system): New members composition_rule_follows,
cmp_data, cmp_data_start, cmp_data_index.
(coding_save_composition) (coding_free_composition_data)
(coding_adjust_composition_offset): Extern them.

CHAR_STRING.

composite character is deleted.
(Qcomposition) (leading_code_composition)
(charset_composition) (min_composite_char) (cmpchar_table)
(cmpchar_table_size) (n_cmpchars): Deleted.
(SPLIT_COMPOSITE_SEQ): Deleted.
(SPLIT_MULTIBYTE_SEQ): Modified.
(char_to_string): Renamed from non_ascii_char_to_string.
Modified.
(string_to_char): Renamed from string_to_non_ascii_char.
(split_string): Renamed from split_non_ascii_string.
(char_printable_p) (Fsplit_char)
(Ffind_charset_region) (Ffind_charset_string) (char_valid_p)
(char_bytes) (Fchar_width) (strwidth): Modified.
(find_charset_in_str): Argument CMPCHARP deleted.  Modified.
(Fstring): Adjusted for the change of CHAR_STRING.  Modified.
(hash_string) (CMPCHAR_HASH_TABLE_SIZE) (cmpchar_hash_table)
(CMPCHAR_HASH_SIZE) (CMPCHAR_HASH_USED) (CMPCHAR_HASH_CMPCHAR_ID)
(str_cmpchar_id) (cmpchar_component) (Fcmpcharp)
(Fcmpchar_component) (Fcmpchar_cmp_rule) (Fcmpchar_cmp_rule_p)
(Fcmpchar_cmp_count): Deleted.
(Fcompose_string): Implemented by Emacs Lisp in composite.el.
(init_charset_once): Modified.
(syms_of_charset): Modified.

composite character is deleted.
(LEADING_CODE_COMPOSITION) (CHARSET_COMPOSITION)
(charset_composition) (MIN_CHAR_COMPOSITION)
(MAX_CHAR_COMPOSITION) (GENERIC_COMPOSITION_CHAR)
(COMPOSITE_CHAR_P) (MAKE_COMPOSITE_CHAR) (COMPOSITE_CHAR_ID)
(PARSE_COMPOSITE_SEQ) (PARSE_CHARACTER_SEQ): Deleted.
(MAX_CHAR) (CHARSET_VALID_P) (CHARSET_DEFINED_P) (CHARSET_AT)
(FIRST_CHARSET_AT) (SAME_CHARSET_P) (MAKE_NON_ASCII_CHAR)
(PARSE_MULTIBYTE_SEQ) (SPLIT_NON_ASCII_CHAR) (CHAR_PRINTABLE_P):
Modified.
(SPLIT_STRING): Call split_string, not split_non_ascii_string.
(CHAR_STRING): Delete WORKBUF argument.  Call char_string, not
non_ascii_char_to_string.
(STRING_CHAR): Call string_to_char, not string_to_non_ascii_char.
(STRING_CHAR_AND_LENGTH): Likewise.
(FETCH_CHAR_ADVANCE): New macro.
(MAX_COMPONENT_COUNT) (struct cmpchar_info): Deleted.
(MAX_MULTIBYTE_LENGTH): New macro.
(MAX_LENGTH_OF_MULTI_BYTE_FORM): Deleted.
(find_charset_in_str): Argument adjusted.
(CHAR_LEN): Modified.

(ccl_driver): Delete codes for a composite character.

character.
(Fmake_category_table): New function.
(syms_of_category): Defsubr it.

(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.

arguments.  Use CODING_REQUIRE_DECODING to check if the process
output should be decoded.

(INTERVAL_OBJ): Include composite.o.
(SOME_MACHINE_OBJECTS): Include composite.o.
(casefiddle.o) (dispnew.o) (indent.o) (process.o) (search.o)
(syntax.o) (window.o) (xdisp.o) (xfaces.o) (xterm.o) (print.o):
Depend on composite.h.
(doc.o): Depend on charset.h.
(keyboard.o) (textprop.o) (intervals.o): Depend on INTERVAL_SRC.
(composite.o): New target.

that it should be set after current-language-environment.

(custom-add-dependencies): New function.
(custom-set-variables): Take dependencies between args into
account.

has been changed by the Lisp code.

characters, not Latin-1.

stuff.  Don't set zmacs-region-stays.
(footnote-insert-text-marker, Footnote-insert-pointer-marker): Avoid
`acons'.
(footnote-mode-line-string, Footnote-add-footnote): Remove autoload
cookie.

(sh-font-lock-unfontify-region-function): New function.

if start-process is not bound, since Ispell now supports such
platforms as well.