describes `coding-priority' KEY.
(set-language-environment-coding-systems): New function.
(list-subset-p): New function.
(select-safe-coding-system): New function.
(set-language-info): New optional args DESCRIBE-MAP and SETUP-MAP.
(set-language-info-alist): New optionla arg PARENTS. Call
set-language-info with apropriate DESCRIBE-MAP and SETUP-MAP args.
(set-language-environment-coding-systems): New function.
(prefer-coding-system): Call update-iso-coding-systems.
format of make-coding-system's 6th argument. Initialize
coding-category-iso-7-tight to iso-2022-jp.
(oldjis-newjis-jisroman-ascii): New character unification table.
(standarad-character-unification-table-for-decode): Initialize to
`unification-table' property of `oldjis-newjis-jisroman-ascii'.
mule-cmds.el.
(detect-coding-with-priority): New macro.
(detect-coding-with-language-environment): New function.
(string-to-sequence): Adjusted for the change of
multibyte-form handling (byte-base to char-base).
(store-substring): Likewise.
(truncate-string-to-width): Likewise.
(decompose-region): Likewise.
(decompose-string): Likewise.
(decompose-composite-char): Call string instead of concat-chars.
function.
(coding-system-base): Doc-string modified.
(make-coding-system): The 6th optional arg is changed to
PROPERTIES.
(set-buffer-file-coding-system): Show "(default, nil)" in prompt.
(set-coding-priority): Code tuned.
Qccl_translation_table, Qccl_translation_table_id): New variables.
append new symbols. Qccl_translation_table and
Qccl_translation_table_id.
(CCL_Call): Fix the comment.
(CCL_ReadMultibyteCharacter, CCL_WriteMultibyteCharacter,
CCL_UnifyCharacter, CCL_UnifyCharacterConstTbl,
CCL_IterateMultipleMap, CCL_TranslateMultipleMap): New macros for
CCL Commands.
(EXCMD): New macro.
(ccl_driver): New case lable `CCL_Extention'.
(setup_ccl_program): Initialize the member `private_state' of CCL.
(Fregister_ccl_program): Delete unused variable IDX.
(Fregister_ccl_translation_table): New function.
(syms_of_ccl): Intern and staticpro Qccl_program,
Qccl_translation_table, and Qccl_translation_table_id. Declare
`ccl-translation-table-vector' as a Lisp variable. Declare
register-ccl-translation-table as a Lisp function.
(Vcharacter_unification_table_vector): New variable.
(syms_of_charset): Declare it as a Lisp symbol. Declare a Lisp
variable min-composite-char.
(unify_char): Delete unnecessary codes.
(MAX_CHAR_COMPOSITION): New macro.
(CHAR_CHARSET): Check more strictly.
(CODING_FLAG_ISO_DESIGNATION): New macro.
(Vcharacter_unification_table_vector): Extern it.
(UNIFICATION_ID_TABLE): New macro.
(coding_category_table): This variable deleted.
(Vcoding_category_table): New variable.
(coding_category_name): Add "coding-category-iso-7-tight".
(detect_coding_iso2022): Check the mask
CODING_FLAG_ISO_DESIGNATION in CODING->FLAGS. Check a new coding
category coding-category-iso-7-tight.
(DECODE_DESIGNATION): Decode only such designations that CODING
can handle.
(check_composing_code): New function.
(decode_coding_iso2022): Decode only such characters that CODING
can handle.
(encode_coding_iso2022): Before and after encoding composite
characters, reset designation and invocation status.
(detect_coding_sjis): Delete unnecessary check.
(detect_coding_big5): Likewise.
(encode_designation_at_bol): Check the validity of requested
designation register.
(setup_coding_system): Set requested designation registers for
non-supported charsets to
CODING_SPEC_ISO_NO_REQUESTED_DESIGNATION. Set mask
CODING_FLAG_ISO_DESIGNATION in CODING->FLAGS. Code tuned for
no-conversion and undecided.
(detect_coding): Adjusted for the new variable
Vcoding_category_table.
(syms_of_coding): Initialize Vcoding_category_table and staticpro
it. Register select-safe-coding-system as a Lisp variable.
(DECODE_CHARACTER_ASCII): Update coding->produced_char;
(DECODE_CHARACTER_DIMENSION1): Likewise.
(Qraw_text, Qcoding_category): New variables.
(syms_of_coding): Intern and staticpro them.
(coding_system_table): New variable.
(CHARSET_OK, SHIFT_OUT_OK): New macros.
(detect_coding_iso2022): Detection algorithm improved.
(decode_coding_iso2022): Arg CONSUMED deleted, and the meaning of
return value changed. Update members produced, produced_char,
consumed, consumed_char of the struct *coding. Pay attention to
CODING_MODE_INHIBIT_INCONSISTENT_EOL.
(encode_coding_iso2022): Likewise.
(decode_coding_sjis_big5, encode_coding_sjis_big5): Likewise.
(decode_eol, encode_eol): Likewise.
(ENCODE_ISO_CHARACTER): Update coding->consumed_char.
(DECODE_SJIS_BIG5_CHARACTER): Update coding->produced_char.
(ENCODE_SJIS_BIG5_CHARACTER): Update coding->consumed_char.
(detect_coding(detect_coding(detect_ITIES and SKIP.
(detect_coding): Adjusted for the change of detect_coding_mask.
Update coding->heading_ascii.
(detect_eol_type): New arg SKIP.
(detect_eol): Adjusted for the change of detect_eol_type.
(ccl_codign_driver): New function.
(decode_coding): Arg CONSUMED deleted, and the meaning of return
value changed. Update members produced, produced_char, consumed,
consumed_char of the struct *coding.
(encode_coding): Likewise.
(shrink_decoding_region, shrink_encoding_region): New function.
(code_convert_region, code_convert_string): Completely rewritten.
(detect_coding_sy(detect_coding_sy(detect_coding_sy(detect_coding_sy(detect_codiT.
(Fdetect_coding_string): New function.
(Fdecode_coding_region, Fencode_coding_region): Adjusted for the
change of code_convert_region.
(Fdecode_coding_string, Fencode_coding_string): Adjusted for the
change of code_convert_string.
(Fupdate_iso_coding_systems): New function.
(init_coding_once): Initialize coding_system_table.
(struct iso2022_spec): New member.
last_invalid_designation_register.
(struct coding_system): New member inhibit_inconsistent_eol_type.
(CODING_CATEGORY_IDX_ISO_7_TIGHT,
CODING_CATEGORY_MASK_ISO_7_TIGHT): New macros.
(CODING_CATEGORY_MASK_ANY): Include
CODING_CATEGORY_MASK_ISO_7_TIGHT.
(coding_category_table, coding_category_name): Extern deleted.
(Vselect_safe_coding_system_function): Extern it.
(CODING_FINISH_XXX): New macros.
(CODING_MODE_XXX): New macros.
(struct coding_system): New member mode, category_idx,
heading_ascii. Deleted members last_block, direction, selective,
carryover, carryover_size.
(CODING_MAY_REQUIRE_DECODING): New macro.
(CODING_CATEGORY_MASK_ISO_7BIT, CODING_CATEGORY_MASK_ISO_8BIT,
CODING_CATEGORY_MASK_ISO_SHIFT, CODING_CATEGORY_MASK_ISO): New
macros.
(Qraw_text): Extern it.
if enable-multibyte-characters is nil. Initialize members
decoding_carryover and encoding_carryover of PROC.
(create_process): Adjusted for the change of encode_coding.
(Fopen_network_stream): Initialize members decoding_carryover and
encoding_carryover of PROC.
(read_process_output): Adjusted for the change of decode_coding.
(send_process): Adjusted for the change of encode_coding.
enable-multibyte-characters is nil, we must check `coding:' tag
and `file-coding-system-alist' to handle eol-conversion.
(Finsert_file_contents): Adjusted for the change of
struct coding_system and function decode_coding. For normail file
reading, use code_convert_region.
(Fwrite_region): Adjusted for the change of struct coding_system.
(e_write): Adjusted for the change of encode_coding.
of decode_coding.
(lisp_data_to_selection_data): Adjusted for the change of
encode_coding.
(syms_of_xselect): Initialize clipboard-coding-system to
compound-text.
