(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.
is nonzero, accept multibyte form of eight-bit-control chars.
(decode_composition_emacs_mule): Likewise.
(decode_coding_emacs_mule): Likewise.
(encode_coding_emacs_mule): If coding->flags is nonzero, produce
multibyte form of eight-bit-control chars.
post-read-conversion or pre-write-conversion, set
CODING_REQUIRE_DECODING_MASK and CODING_REQUIRE_ENCODING_MASK
respectively.
(decode_coding_gap): Run post-read-conversion if any.
of CODING_REPLACEMENT_CHARACTER.
(decode_coding_iso2022): If CODING_FLAG_ISO_SAFE, set
CODING_MODE_INHIBIT_UNENCODABLE_CHAR flag in coding->mode, and
check this flag on encoding.
(encode_coding_sjis_big5): Check
CODING_MODE_INHIBIT_UNENCODABLE_CHAR flag of coding->mode.
(Fset_terminal_coding_system_internal): Set
CODING_MODE_INHIBIT_UNENCODABLE_CHAR flag in terminal_coding.mode
instead of setting CODING_FLAG_ISO_SAFE flag in
terminal_coding.flags.
(syms_of_coding): Don't initialize them.
(CATEGORY_MASK_UTF_16_AUTO): New macro.
(detect_coding_utf_16): Add CATEGORY_MASK_UTF_16_AUTO in
detect_info->found.
(decode_coding_utf_16): Don't detect BOM here.
(encode_coding_utf_16): Produce BOM if CODING_UTF_16_BOM (coding)
is NOT utf_16_without_bom.
(setup_coding_system): For a coding system of type utf-16, check
if the attribute :endian is Qbig or not (not nil or not), and set
CODING_REQUIRE_DETECTION_MASK if BOM detection is required.
(detect_coding): If coding type is utf-16 and BOM detection is
required, detect it.
(Fdefine_coding_system_internal): For a coding system of type
utf-16, check if the attribute :endian is Qbig or not (not nil or
not).
function.
(find_safe_codings): Pay attention to
the property tranlsation-table-for-encode of each codings.
(syms_of_coding): Give Qtranslation_table the extra slot number 2.
Vlast_coding_system_used to the argument.
(code_convert_region): If post-read-conversion function changed
the value of last-coding-sytem, keep the new value in
coding->symbol so that it won't be overridden.
(run_pre_post_conversion_on_str): Likewise.
(Vcoding_system_safe_chars): New variable.
(intersection): Remove this function.
(find_safe_codings): Don't use Vchar_coding_system_table, but try
all codings in SAFE_CODINGS.
(Ffind_coding_systems_region_internal): Adjusted for the change of
find_safe_codings. Get generic coding systems from
Vcoding_system_safe_chars.
(Fdefine_coding_system_internal): New function.
(syms_of_coding): Defsubr Sdefine_coding_system_internal.
Initialize and staticpro Vcoding_system_safe_chars.
composition components reaches the limit, terminate composing.
(COMPOSITION_OK): New macro.
(detect_coding_iso2022): Use it if an escapse sequence for
composition is found.
(coding_restore_composition): Adjust the number of composition
components if it is not sane.
