source and destination are the same correctly.
(decode_coding_raw_text): Set coding->consumed_char and
coding->consumed to 0.
(produce_chars): If coding->chars_at_source is nonzero, update
coding->consumed_char and coding->consumed before calling
alloc_destination.
(Fdefine_coding_system_alias): Register ALIAS in
Vcoding_system_alist.
(syms_of_coding): Define `no-convesion' coding system at the tail.
(load_charset_map): Renamed from parse_charset_map. New args
entries and n_entries. Caller changed.
(load_charset_map_from_file): Renamed from load_charset_map.
Caller changed. New arg control_flag. Call load_charset_map at
the tail.
(load_charset_map_from_vector): New function.
(Fdefine_charset_internal): Setup charset.compact_codes_p.
(encode_char): If the charset is compact, change a character index
to a code point.
(decode_coding_utf_16): Fix converting high and low bytes to
code-point.
(encode_coding_utf_16): Substitute coding->default_char for
non-Unicode characters.
(decode_coding): Don't call record_insert here.
(setup_coding_system): Initialize `surrogate' of
coding->spec.utf_16 to 0.
(EMIT_ONE_BYTE): Fix for multibyte case.
(x_encode_char): New argument CHARSET. Caller changed.
(x_get_char_face_and_encoding): Call ENCODE_CHAR instead of
SPLIT_CHAR.
(x_get_glyph_face_and_encoding): Likewise.
(x_produce_glyphs): Don't check Vnonascii_translation_table Call
CHAR_WIDTH instead of CHARSET_WIDTH.
(XTread_socket): Adjusted for the new code-conversion API.
(x_new_font): Adjusted for the change of FS_LOAD_FONT.
(x_load_font): Adjusted for the change of struct font.
(define-charset): Fully re-designed.
(charset-quoted-standard-p): Deleted.
(charsetp): Moved to charset.c.
(charset-info, charset-id, charset-bytes, charset-width,
charset-directioin, charset-iso-graphic-plane,
charset-reverse-charset): Deleted.
(charset-dimension, charset-chars, charset-iso-final-char,
charset-description, charset-short-name, charset-long-name): Call
charset-plist instead of charset-info.
(charset-plist, set-charset-plist): Moved to charset.c.
(get-charset-property, put-charset-property): Moved from
mule-cmds.el. Call charset-plist and set-charset-plist.
(make-char): Deleted.
(generic-char-p): Make it always return nil.
(decode-char, encode-char): Moved to charset.c.
(coding-spec-XXX-idx): Variables deleted.
(coding-system-iso-2022-flags): New variable.
(define-coding-system): New function.
(transform-make-coding-system-args, make-coding-system): Deleted.
(set-coding-priority): Make it obsolete.
(after-insert-file-set-buffer-file-coding-system): Adjusted for
the new coding system structure.
(find-new-buffer-file-coding-system): Likewise.
(print-iso-2022-flags): New function.
(describe-coding-system): Adjusted for the new structure of coding
system.
(describe-current-coding-system): Likewise.
set-coding-system-priority instead of set-coding-priority.
(sort-coding-systems): Call coding-system-priority-list to get the
most preferred one.
(select-safe-coding-system): Likewise.
(reset-language-environment): Order of coding system priority
changed. Set primary charset to iso-8859-1.
(set-language-environment-coding-systems): Call
set-coding-system-priority instead of set-coding-priority.
(get-charset-property, put-charset-property): Moved to mule.el.
