correctly for raw-text.
(consume_chars): On encoding unibyte text by raw-text, don't check
multibyte form.
(encode_coding): On encoding by raw-text, never use translation
tables.
(encode_coding): Don't call translate_chars.
(consume_chars): New arg translation_table. Caller changed.
(translate_chars): Deleted.
(syms_of_coding): Make translation-table's number of extra slots 2.
annotation data format.
(ADD_ANNOTATION_DATA, ADD_COMPOSITION_DATA, ADD_CHARSET_DATA):
Change arguments FROM and TO to single argument NCHARS. Caller
changed.
(decode_coding_utf_8): Pay attention to coding->charbuf_used.
(decode_coding_utf_16, decode_coding_emacs_mule)
(decode_coding_iso_2022, decode_coding_sjis, decode_coding_big5)
(decode_coding_ccl, decode_coding_charset): Likewise.
(get_translation): New function.
(produce_chars): New arguments translation_table and last_block.
Translate characters here. Return number of carryover chars.
Caller changed.
(produce_composition): New argument pos. Caller changed.
Adjusted for the change of annotation data format.
(produce_charset, produce_annotation): Likewise.
(decode_coding): Don't call translate_chars.
(QCdecode_translation_table, QCencode_translation_table)
(QCpost_read_conversion, QCpre_write_conversion): New variables.
(get_translation_table): Return a list of translation tables if
necessary.
(decode_coding): Call get_translation_table with ENCODEP 0.
(char_encodable_p): If translation_table is non-nil, always call
translate_char.
(Fdefine_coding_system_internal): Accept list of translation
tables as :encode-translation-table and :decode-translation-table.
(Fcoding_system_put): New function.
(syms_of_coding): Declare new symbols. Defsubr
Scoding_system_put.
(translate_chars): Fix the bug of skipping annotation data.
(decode_coding): Utilze get_translation_table.
(encode_coding): Likewise.
(char_encodable_p): Translate char if necessary.
(Funencodable_char_position): Likewise.
(Ffind_coding_systems_region_internal): Setup translation table
for encode in a coding system attribute vector in advance.
(Fcheck_coding_systems_region): Likewise.
(Fdefine_coding_system_internal): Allow a symbol as translation
table. For shift-jis type coding system, allow 4th charset.
(Qinvalid_source, Qinterrupted, Qinsufficient_memory): New
variables.
(Vlast_code_conversion_error): New variables.
(syms_of_coding): DEFSYM or DEFVAR_LISP them.
(ONE_MORE_BYTE): Record error if any instead of signaling an
error. If non-ASCII multibyte char is found, return the negative
value of the code. All callers changed to check it.
(ONE_MORE_BYTE_NO_CHECK): Likewise.
(record_conversion_result): New function. All codes setting
coding->result are changed to call this function.
(detect_coding_utf_8): Don't use the local variable incomplete.
(decode_coding_utf_8): Likewise.
(emacs_mule_char): Change the second arg to `const'.
(detect_coding_emacs_mule): Don't use the local variable
incomplete.
(detect_coding_sjis): Likewise.
(detect_coding_big5): Likewise.
(decode_coding): Fix of flushing out unprocessed data.
(make_conversion_work_buffer): Fix making of a work buffer.
(decode_coding_object): Return coding->dst_object;
(CODING_GET_INFO): Delete argument eol_type. Callers changed.
(decode_coding_utf_8): Don't do eol converion.
(detect_coding_utf_16): Check coding->src_chars, not
coding->src_bytes. Add heuristics for those that have no
signature.
(decode_coding_emacs_mule): Don't do eol converion.
(decode_coding_iso_2022): Likewise.
(decode_coding_sjis): Likewise.
(decode_coding_big5): Likewise.
(decode_coding_charset): Likewise.
(adjust_coding_eol_type): Return a new coding system.
(detect_coding): Don't detect eol. Fix for utf-16 detection.
(decode_eol): In case of CRLF->LF conversion, use del_range_2 on
each change.
(decode_coding): Pay attention to undo_list. Do eol convesion for
all types of coding-systems (if necessary).
(Vcode_conversion_work_buf_list): Delete it.
(Vcode_conversion_reused_workbuf): Renamed from
Vcode_conversion_reused_work_buf.
(Vcode_conversion_workbuf_name): New variable.
(reused_workbuf_in_use): New variable.
(make_conversion_work_buffer): Delete the arg DEPTH.
(code_conversion_restore): Argument changed to cons.
(code_conversion_save): Delete the argument BUFFER. Callers
changed.
(detect_coding_system): New argument src_chars. Callers changed.
Fix for utf-16 detection.
(init_coding_once): Don't use ISO_carriage_return.
(syms_of_coding): Initialized Vcode_conversion_workbuf_name and
reused_workbuf_in_use.
(syms_of_coding): Defsym it. Set all elements of
Vcoding_category_table and their symbol values.
(Fset_coding_system_priority): Doc fix. Update symbol qvalues of
coding-category-XXX, and coding-category-list.
(Fdefine_coding_system_internal): Add category in the plist.
bytes.
(raw_text_coding_system): Check NILP (coding_system).
(coding_inherit_eol_type): Check NILP (coding_system) and
NILP (parent).
(consume_chars): Fix for the case of raw-text.
