1 /* Header for code conversion stuff
2 Copyright (C) 1991, 1995 Free Software Foundation, Inc.
3 Copyright (C) 1995 Sun Microsystems, Inc.
5 This file is part of XEmacs.
7 XEmacs is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by the
9 Free Software Foundation; either version 2, or (at your option) any
12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Synched up with: Mule 2.3. Not in FSF. */
24 /* 91.10.09 written by K.Handa <handa@etl.go.jp> */
25 /* Rewritten by Ben Wing <ben@xemacs.org>. */
27 #ifndef _XEMACS_MULE_CODING_H_
28 #define _XEMACS_MULE_CODING_H_
30 struct decoding_stream;
31 struct encoding_stream;
33 /* Coding system types. These go into the TYPE field of a
34 struct Lisp_Coding_System. */
36 enum coding_system_type
38 CODESYS_AUTODETECT, /* Automatic conversion. */
40 CODESYS_SHIFT_JIS, /* Shift-JIS; Hankaku (half-width) KANA
42 CODESYS_ISO2022, /* Any ISO2022-compliant coding system.
43 Includes JIS, EUC, CTEXT */
44 CODESYS_BIG5, /* BIG5 (used for Taiwanese). */
45 CODESYS_CCL, /* Converter written in CCL. */
47 CODESYS_NO_CONVERSION /* "No conversion"; used for binary files.
48 We use quotes because there really
49 is some conversion being applied,
50 but it appears to the user as if
51 the text is read in without conversion. */
53 ,CODESYS_INTERNAL /* Raw (internally-formatted) data. */
66 typedef struct charset_conversion_spec charset_conversion_spec;
67 struct charset_conversion_spec
69 Lisp_Object from_charset;
70 Lisp_Object to_charset;
75 Dynarr_declare (charset_conversion_spec);
76 } charset_conversion_spec_dynarr;
79 struct Lisp_Coding_System
81 struct lcrecord_header header;
83 /* Name and doc string of this coding system. */
84 Lisp_Object name, doc_string;
86 /* This is the major type of the coding system -- one of Big5, ISO2022,
87 Shift-JIS, etc. See the constants above. */
88 enum coding_system_type type;
90 /* Mnemonic string displayed in the modeline when this coding
91 system is active for a particular buffer. */
94 Lisp_Object post_read_conversion, pre_write_conversion;
96 enum eol_type eol_type;
98 /* Subsidiary coding systems that specify a particular type of EOL
99 marking, rather than autodetecting it. These will only be non-nil
100 if (eol_type == EOL_AUTODETECT). */
101 Lisp_Object eol_lf, eol_crlf, eol_cr;
105 /* What are the charsets to be initially designated to G0, G1,
106 G2, G3? If t, no charset is initially designated. If nil,
107 no charset is initially designated and no charset is allowed
109 Lisp_Object initial_charset[4];
111 /* If true, a designation escape sequence needs to be sent on output
112 for the charset in G[0-3] before that charset is used. */
113 unsigned char force_charset_on_output[4];
115 charset_conversion_spec_dynarr *input_conv;
116 charset_conversion_spec_dynarr *output_conv;
118 unsigned int shoort :1; /* C makes you speak Dutch */
119 unsigned int no_ascii_eol :1;
120 unsigned int no_ascii_cntl :1;
121 unsigned int seven :1;
122 unsigned int lock_shift :1;
123 unsigned int no_iso6429 :1;
124 unsigned int escape_quoted :1;
128 /* For a CCL coding system, these specify the CCL programs used for
129 decoding (input) and encoding (output). */
130 Lisp_Object decode, encode;
135 DECLARE_LRECORD (coding_system, struct Lisp_Coding_System);
136 #define XCODING_SYSTEM(x) XRECORD (x, coding_system, struct Lisp_Coding_System)
137 #define XSETCODING_SYSTEM(x, p) XSETRECORD (x, p, coding_system)
138 #define CODING_SYSTEMP(x) RECORDP (x, coding_system)
139 #define GC_CODING_SYSTEMP(x) GC_RECORDP (x, coding_system)
140 #define CHECK_CODING_SYSTEM(x) CHECK_RECORD (x, coding_system)
141 #define CONCHECK_CODING_SYSTEM(x) CONCHECK_RECORD (x, coding_system)
143 #define CODING_SYSTEM_NAME(codesys) ((codesys)->name)
144 #define CODING_SYSTEM_DOC_STRING(codesys) ((codesys)->doc_string)
145 #define CODING_SYSTEM_TYPE(codesys) ((codesys)->type)
146 #define CODING_SYSTEM_MNEMONIC(codesys) ((codesys)->mnemonic)
147 #define CODING_SYSTEM_POST_READ_CONVERSION(codesys) \
148 ((codesys)->post_read_conversion)
149 #define CODING_SYSTEM_PRE_WRITE_CONVERSION(codesys) \
150 ((codesys)->pre_write_conversion)
151 #define CODING_SYSTEM_EOL_TYPE(codesys) ((codesys)->eol_type)
152 #define CODING_SYSTEM_EOL_LF(codesys) ((codesys)->eol_lf)
153 #define CODING_SYSTEM_EOL_CRLF(codesys) ((codesys)->eol_crlf)
154 #define CODING_SYSTEM_EOL_CR(codesys) ((codesys)->eol_cr)
157 #define CODING_SYSTEM_ISO2022_INITIAL_CHARSET(codesys, g) \
158 ((codesys)->iso2022.initial_charset[g])
159 #define CODING_SYSTEM_ISO2022_FORCE_CHARSET_ON_OUTPUT(codesys, g) \
160 ((codesys)->iso2022.force_charset_on_output[g])
161 #define CODING_SYSTEM_ISO2022_SHORT(codesys) ((codesys)->iso2022.shoort)
162 #define CODING_SYSTEM_ISO2022_NO_ASCII_EOL(codesys) \
163 ((codesys)->iso2022.no_ascii_eol)
164 #define CODING_SYSTEM_ISO2022_NO_ASCII_CNTL(codesys) \
165 ((codesys)->iso2022.no_ascii_cntl)
166 #define CODING_SYSTEM_ISO2022_SEVEN(codesys) ((codesys)->iso2022.seven)
167 #define CODING_SYSTEM_ISO2022_LOCK_SHIFT(codesys) \
168 ((codesys)->iso2022.lock_shift)
169 #define CODING_SYSTEM_ISO2022_NO_ISO6429(codesys) \
170 ((codesys)->iso2022.no_iso6429)
171 #define CODING_SYSTEM_ISO2022_ESCAPE_QUOTED(codesys) \
172 ((codesys)->iso2022.escape_quoted)
173 #define CODING_SYSTEM_CCL_DECODE(codesys) ((codesys)->ccl.decode)
174 #define CODING_SYSTEM_CCL_ENCODE(codesys) ((codesys)->ccl.encode)
177 #define XCODING_SYSTEM_NAME(codesys) \
178 CODING_SYSTEM_NAME (XCODING_SYSTEM (codesys))
179 #define XCODING_SYSTEM_DOC_STRING(codesys) \
180 CODING_SYSTEM_DOC_STRING (XCODING_SYSTEM (codesys))
181 #define XCODING_SYSTEM_TYPE(codesys) \
182 CODING_SYSTEM_TYPE (XCODING_SYSTEM (codesys))
183 #define XCODING_SYSTEM_MNEMONIC(codesys) \
184 CODING_SYSTEM_MNEMONIC (XCODING_SYSTEM (codesys))
185 #define XCODING_SYSTEM_POST_READ_CONVERSION(codesys) \
186 CODING_SYSTEM_POST_READ_CONVERSION (XCODING_SYSTEM (codesys))
187 #define XCODING_SYSTEM_PRE_WRITE_CONVERSION(codesys) \
188 CODING_SYSTEM_PRE_WRITE_CONVERSION (XCODING_SYSTEM (codesys))
189 #define XCODING_SYSTEM_EOL_TYPE(codesys) \
190 CODING_SYSTEM_EOL_TYPE (XCODING_SYSTEM (codesys))
191 #define XCODING_SYSTEM_EOL_LF(codesys) \
192 CODING_SYSTEM_EOL_LF (XCODING_SYSTEM (codesys))
193 #define XCODING_SYSTEM_EOL_CRLF(codesys) \
194 CODING_SYSTEM_EOL_CRLF (XCODING_SYSTEM (codesys))
195 #define XCODING_SYSTEM_EOL_CR(codesys) \
196 CODING_SYSTEM_EOL_CR (XCODING_SYSTEM (codesys))
199 #define XCODING_SYSTEM_ISO2022_INITIAL_CHARSET(codesys, g) \
200 CODING_SYSTEM_ISO2022_INITIAL_CHARSET (XCODING_SYSTEM (codesys), g)
201 #define XCODING_SYSTEM_ISO2022_FORCE_CHARSET_ON_OUTPUT(codesys, g) \
202 CODING_SYSTEM_ISO2022_FORCE_CHARSET_ON_OUTPUT (XCODING_SYSTEM (codesys), g)
203 #define XCODING_SYSTEM_ISO2022_SHORT(codesys) \
204 CODING_SYSTEM_ISO2022_SHORT (XCODING_SYSTEM (codesys))
205 #define XCODING_SYSTEM_ISO2022_NO_ASCII_EOL(codesys) \
206 CODING_SYSTEM_ISO2022_NO_ASCII_EOL (XCODING_SYSTEM (codesys))
207 #define XCODING_SYSTEM_ISO2022_NO_ASCII_CNTL(codesys) \
208 CODING_SYSTEM_ISO2022_NO_ASCII_CNTL (XCODING_SYSTEM (codesys))
209 #define XCODING_SYSTEM_ISO2022_SEVEN(codesys) \
210 CODING_SYSTEM_ISO2022_SEVEN (XCODING_SYSTEM (codesys))
211 #define XCODING_SYSTEM_ISO2022_LOCK_SHIFT(codesys) \
212 CODING_SYSTEM_ISO2022_LOCK_SHIFT (XCODING_SYSTEM (codesys))
213 #define XCODING_SYSTEM_ISO2022_NO_ISO6429(codesys) \
214 CODING_SYSTEM_ISO2022_NO_ISO6429 (XCODING_SYSTEM (codesys))
215 #define XCODING_SYSTEM_ISO2022_ESCAPE_QUOTED(codesys) \
216 CODING_SYSTEM_ISO2022_ESCAPE_QUOTED (XCODING_SYSTEM (codesys))
217 #define XCODING_SYSTEM_CCL_DECODE(codesys) \
218 CODING_SYSTEM_CCL_DECODE (XCODING_SYSTEM (codesys))
219 #define XCODING_SYSTEM_CCL_ENCODE(codesys) \
220 CODING_SYSTEM_CCL_ENCODE (XCODING_SYSTEM (codesys))
223 EXFUN (Fcoding_category_list, 0);
224 EXFUN (Fcoding_category_system, 1);
225 EXFUN (Fcoding_priority_list, 0);
226 EXFUN (Fcoding_system_charset, 2);
227 EXFUN (Fcoding_system_doc_string, 1);
228 EXFUN (Fcoding_system_list, 0);
229 EXFUN (Fcoding_system_name, 1);
230 EXFUN (Fcoding_system_p, 1);
231 EXFUN (Fcoding_system_property, 2);
232 EXFUN (Fcoding_system_type, 1);
233 EXFUN (Fcopy_coding_system, 2);
234 EXFUN (Fdecode_big5_char, 1);
235 EXFUN (Fdecode_coding_region, 4);
236 EXFUN (Fdecode_shift_jis_char, 1);
237 EXFUN (Fdetect_coding_region, 3);
238 EXFUN (Fencode_big5_char, 1);
239 EXFUN (Fencode_coding_region, 4);
240 EXFUN (Fencode_shift_jis_char, 1);
241 EXFUN (Ffind_coding_system, 1);
242 EXFUN (Fget_coding_system, 1);
243 EXFUN (Fmake_coding_system, 4);
244 EXFUN (Fset_coding_category_system, 2);
245 EXFUN (Fset_coding_priority_list, 1);
246 EXFUN (Fsubsidiary_coding_system, 2);
248 extern Lisp_Object Qbig5, Qbuffer_file_coding_system, Qccl, Qcharset_g0;
249 extern Lisp_Object Qcharset_g1, Qcharset_g2, Qcharset_g3, Qcoding_system_error;
250 extern Lisp_Object Qcoding_system_p, Qcr, Qcrlf, Qctext, Qdecode, Qencode;
251 extern Lisp_Object Qeol_cr, Qeol_crlf, Qeol_lf, Qeol_type, Qescape_quoted;
252 extern Lisp_Object Qforce_g0_on_output, Qforce_g1_on_output;
253 extern Lisp_Object Qforce_g2_on_output, Qforce_g3_on_output;
254 extern Lisp_Object Qinput_charset_conversion, Qiso2022, Qlf, Qlock_shift;
255 extern Lisp_Object Qmnemonic, Qno_ascii_cntl, Qno_ascii_eol, Qno_conversion;
256 extern Lisp_Object Qno_iso6429, Qoutput_charset_conversion;
257 extern Lisp_Object Qpost_read_conversion, Qpre_write_conversion, Qseven;
258 extern Lisp_Object Qshift_jis, Qshort, Vcoding_system_for_read;
259 extern Lisp_Object Vcoding_system_for_write, Vcoding_system_hash_table;
260 extern Lisp_Object Vfile_name_coding_system, Vkeyboard_coding_system;
261 extern Lisp_Object Vterminal_coding_system;
263 /* Flags indicating current state while converting code. */
265 /* Used by everyone. */
267 #define CODING_STATE_END (1 << 0) /* If set, this is the last chunk of
268 data being processed. When this
269 is finished, output any necessary
270 terminating control characters,
271 escape sequences, etc. */
272 #define CODING_STATE_CR (1 << 1) /* If set, we just saw a CR. */
275 /* Used by Big 5 on output. */
277 #define CODING_STATE_BIG5_1 (1 << 2) /* If set, we just encountered
278 LEADING_BYTE_BIG5_1. */
279 #define CODING_STATE_BIG5_2 (1 << 3) /* If set, we just encountered
280 LEADING_BYTE_BIG5_2. */
283 /* Used by ISO2022 on input and output. */
285 #define CODING_STATE_R2L (1 << 4) /* If set, the current
286 directionality is right-to-left.
287 Otherwise, it's left-to-right. */
290 /* Used by ISO2022 on input. */
292 #define CODING_STATE_ESCAPE (1 << 5) /* If set, we're currently parsing
293 an escape sequence and the upper
294 16 bits should be looked at to
295 indicate what partial escape
296 sequence we've seen so far.
297 Otherwise, we're running
298 through actual text. */
299 #define CODING_STATE_SS2 (1 << 6) /* If set, G2 is invoked into GL, but
300 only for the next character. */
301 #define CODING_STATE_SS3 (1 << 7) /* If set, G3 is invoked into GL,
302 but only for the next character.
303 If both CODING_STATE_SS2 and
304 CODING_STATE_SS3 are set,
305 CODING_STATE_SS2 overrides; but
306 this probably indicates an error
307 in the text encoding. */
308 #define CODING_STATE_COMPOSITE (1 << 8) /* If set, we're currently processing
309 a composite character (i.e. a
310 character constructed by
311 overstriking two or more
315 /* CODING_STATE_ISO2022_LOCK is the mask of flags that remain on until
316 explicitly turned off when in the ISO2022 encoder/decoder. Other flags are
317 turned off at the end of processing each character or escape sequence. */
318 # define CODING_STATE_ISO2022_LOCK \
319 (CODING_STATE_END | CODING_STATE_COMPOSITE | CODING_STATE_R2L)
320 #define CODING_STATE_BIG5_LOCK \
323 /* Flags indicating what we've seen so far when parsing an
324 ISO2022 escape sequence. */
327 /* Partial sequences */
328 ISO_ESC_NOTHING, /* Nothing has been seen. */
329 ISO_ESC, /* We've seen ESC. */
330 ISO_ESC_2_4, /* We've seen ESC $. This indicates
331 that we're designating a multi-byte, rather
332 than a single-byte, character set. */
333 ISO_ESC_2_8, /* We've seen ESC 0x28, i.e. ESC (.
334 This means designate a 94-character
335 character set into G0. */
336 ISO_ESC_2_9, /* We've seen ESC 0x29 -- designate a
337 94-character character set into G1. */
338 ISO_ESC_2_10, /* We've seen ESC 0x2A. */
339 ISO_ESC_2_11, /* We've seen ESC 0x2B. */
340 ISO_ESC_2_12, /* We've seen ESC 0x2C -- designate a
341 96-character character set into G0.
342 (This is not ISO2022-standard.
343 The following 96-character
344 control sequences are standard,
346 ISO_ESC_2_13, /* We've seen ESC 0x2D -- designate a
347 96-character character set into G1.
349 ISO_ESC_2_14, /* We've seen ESC 0x2E. */
350 ISO_ESC_2_15, /* We've seen ESC 0x2F. */
351 ISO_ESC_2_4_8, /* We've seen ESC $ 0x28 -- designate
352 a 94^N character set into G0. */
353 ISO_ESC_2_4_9, /* We've seen ESC $ 0x29. */
354 ISO_ESC_2_4_10, /* We've seen ESC $ 0x2A. */
355 ISO_ESC_2_4_11, /* We've seen ESC $ 0x2B. */
356 ISO_ESC_2_4_12, /* We've seen ESC $ 0x2C. */
357 ISO_ESC_2_4_13, /* We've seen ESC $ 0x2D. */
358 ISO_ESC_2_4_14, /* We've seen ESC $ 0x2E. */
359 ISO_ESC_2_4_15, /* We've seen ESC $ 0x2F. */
360 ISO_ESC_5_11, /* We've seen ESC [ or 0x9B. This
361 starts a directionality-control
362 sequence. The next character
363 must be 0, 1, 2, or ]. */
364 ISO_ESC_5_11_0, /* We've seen 0x9B 0. The next
365 character must be ]. */
366 ISO_ESC_5_11_1, /* We've seen 0x9B 1. The next
367 character must be ]. */
368 ISO_ESC_5_11_2, /* We've seen 0x9B 2. The next
369 character must be ]. */
371 /* Full sequences. */
372 ISO_ESC_START_COMPOSITE, /* Private usage for START COMPOSING */
373 ISO_ESC_END_COMPOSITE, /* Private usage for END COMPOSING */
374 ISO_ESC_SINGLE_SHIFT, /* We've seen a complete single-shift sequence. */
375 ISO_ESC_LOCKING_SHIFT,/* We've seen a complete locking-shift sequence. */
376 ISO_ESC_DESIGNATE, /* We've seen a complete designation sequence. */
377 ISO_ESC_DIRECTIONALITY,/* We've seen a complete ISO6429 directionality
379 ISO_ESC_LITERAL /* We've seen a literal character ala
383 /* Macros to define code of control characters for ISO2022's functions. */
384 /* code */ /* function */
385 #define ISO_CODE_LF 0x0A /* line-feed */
386 #define ISO_CODE_CR 0x0D /* carriage-return */
387 #define ISO_CODE_SO 0x0E /* shift-out */
388 #define ISO_CODE_SI 0x0F /* shift-in */
389 #define ISO_CODE_ESC 0x1B /* escape */
390 #define ISO_CODE_DEL 0x7F /* delete */
391 #define ISO_CODE_SS2 0x8E /* single-shift-2 */
392 #define ISO_CODE_SS3 0x8F /* single-shift-3 */
393 #define ISO_CODE_CSI 0x9B /* control-sequence-introduce */
396 /* Macros to access an encoding stream or decoding stream */
398 #define CODING_STREAM_DECOMPOSE(str, flags, ch) \
400 flags = (str)->flags; \
404 #define CODING_STREAM_COMPOSE(str, flags, ch) \
406 (str)->flags = flags; \
411 /* For detecting the encoding of text */
412 enum coding_category_type
415 CODING_CATEGORY_SHIFT_JIS,
416 CODING_CATEGORY_ISO_7, /* ISO2022 system using only seven-bit bytes,
418 CODING_CATEGORY_ISO_8_DESIGNATE, /* ISO2022 system using eight-bit bytes,
419 no locking shift, no single shift,
420 using designation to switch charsets */
421 CODING_CATEGORY_ISO_8_1, /* ISO2022 system using eight-bit bytes,
422 no locking shift, no designation sequences,
423 one-dimension characters in the upper half. */
424 CODING_CATEGORY_ISO_8_2, /* ISO2022 system using eight-bit bytes,
425 no locking shift, no designation sequences,
426 two-dimension characters in the upper half. */
427 CODING_CATEGORY_ISO_LOCK_SHIFT, /* ISO2022 system using locking shift */
428 CODING_CATEGORY_BIG5,
430 CODING_CATEGORY_NO_CONVERSION
433 #define CODING_CATEGORY_LAST CODING_CATEGORY_NO_CONVERSION
436 #define CODING_CATEGORY_SHIFT_JIS_MASK \
437 (1 << CODING_CATEGORY_SHIFT_JIS)
438 #define CODING_CATEGORY_ISO_7_MASK \
439 (1 << CODING_CATEGORY_ISO_7)
440 #define CODING_CATEGORY_ISO_8_DESIGNATE_MASK \
441 (1 << CODING_CATEGORY_ISO_8_DESIGNATE)
442 #define CODING_CATEGORY_ISO_8_1_MASK \
443 (1 << CODING_CATEGORY_ISO_8_1)
444 #define CODING_CATEGORY_ISO_8_2_MASK \
445 (1 << CODING_CATEGORY_ISO_8_2)
446 #define CODING_CATEGORY_ISO_LOCK_SHIFT_MASK \
447 (1 << CODING_CATEGORY_ISO_LOCK_SHIFT)
448 #define CODING_CATEGORY_BIG5_MASK \
449 (1 << CODING_CATEGORY_BIG5)
451 #define CODING_CATEGORY_NO_CONVERSION_MASK \
452 (1 << CODING_CATEGORY_NO_CONVERSION)
453 #define CODING_CATEGORY_NOT_FINISHED_MASK \
457 /* Convert shift-JIS code (sj1, sj2) into internal string
458 representation (c1, c2). (The leading byte is assumed.) */
460 #define DECODE_SJIS(sj1, sj2, c1, c2) \
462 int I1 = sj1, I2 = sj2; \
464 c1 = (I1 << 1) - ((I1 >= 0xe0) ? 0xe0 : 0x60), \
467 c1 = (I1 << 1) - ((I1 >= 0xe0) ? 0xe1 : 0x61), \
468 c2 = I2 + ((I2 >= 0x7f) ? 0x60 : 0x61); \
471 /* Convert the internal string representation of a Shift-JIS character
472 (c1, c2) into Shift-JIS code (sj1, sj2). The leading byte is
475 #define ENCODE_SJIS(c1, c2, sj1, sj2) \
477 int I1 = c1, I2 = c2; \
479 sj1 = (I1 >> 1) + ((I1 < 0xdf) ? 0x31 : 0x71), \
480 sj2 = I2 - ((I2 >= 0xe0) ? 0x60 : 0x61); \
482 sj1 = (I1 >> 1) + ((I1 < 0xdf) ? 0x30 : 0x70), \
487 Lisp_Object make_decoding_input_stream (Lstream *stream,
488 Lisp_Object codesys);
489 Lisp_Object make_encoding_input_stream (Lstream *stream,
490 Lisp_Object codesys);
491 Lisp_Object make_decoding_output_stream (Lstream *stream,
492 Lisp_Object codesys);
493 Lisp_Object make_encoding_output_stream (Lstream *stream,
494 Lisp_Object codesys);
495 Lisp_Object decoding_stream_coding_system (Lstream *stream);
496 Lisp_Object encoding_stream_coding_system (Lstream *stream);
497 void set_decoding_stream_coding_system (Lstream *stream,
498 Lisp_Object codesys);
499 void set_encoding_stream_coding_system (Lstream *stream,
500 Lisp_Object codesys);
501 void determine_real_coding_system (Lstream *stream, Lisp_Object *codesys_in_out,
502 enum eol_type *eol_type_in_out);
506 #define MIN_LEADING_BYTE 0x80
507 /* These need special treatment in a string and/or character */
508 #define LEADING_BYTE_COMPOSITE 0x80 /* for a composite character */
509 #define LEADING_BYTE_CONTROL_1 0x8F /* represent normal 80-9F */
510 #define LEADING_BYTE_LATIN_ISO8859_1 0x81 /* Right half of ISO 8859-1 */
511 #define BYTE_C1_P(c) ((unsigned int) ((unsigned int) (c) - 0x80) < 0x20)
512 #define BUFBYTE_FIRST_BYTE_P(c) ((c) < 0xA0)
513 #define BUFBYTE_LEADING_BYTE_P(c) BYTE_C1_P (c)
514 #endif /* not MULE */
515 #endif /* _XEMACS_MULE_CODING_H_ */