lisp/international/characters.el

   1 ;;; characters.el --- set syntax and category for multibyte characters
   2
   3 ;; Copyright (C) 1997, 2000-2012  Free Software Foundation, Inc.
   4 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   5 ;;   2005, 2006, 2007, 2008, 2009, 2010, 2011
   6 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
   7 ;;   Registration Number H14PRO021
   8 ;; Copyright (C) 2003
   9 ;;   National Institute of Advanced Industrial Science and Technology (AIST)
  10 ;;   Registration Number H13PRO009
  11
  12 ;; Keywords: multibyte character, character set, syntax, category
  13
  14 ;; This file is part of GNU Emacs.
  15
  16 ;; GNU Emacs is free software: you can redistribute it and/or modify
  17 ;; it under the terms of the GNU General Public License as published by
  18 ;; the Free Software Foundation, either version 3 of the License, or
  19 ;; (at your option) any later version.
  20
  21 ;; GNU Emacs is distributed in the hope that it will be useful,
  22 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 ;; GNU General Public License for more details.
  25
  26 ;; You should have received a copy of the GNU General Public License
  27 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  28
  29 ;;; Commentary:
  30
  31 ;;; Code:
  32
  33 ;;; Predefined categories.
  34
  35 ;; For each character set.
  36
  37 (define-category ?a "ASCII
  38 ASCII graphic characters 32-126 (ISO646 IRV:1983[4/0])")
  39 (define-category ?l "Latin")
  40 (define-category ?t "Thai")
  41 (define-category ?g "Greek")
  42 (define-category ?b "Arabic")
  43 (define-category ?w "Hebrew")
  44 (define-category ?y "Cyrillic")
  45 (define-category ?k "Katakana
  46 Japanese katakana")
  47 (define-category ?r "Roman
  48 Japanese roman")
  49 (define-category ?c "Chinese")
  50 (define-category ?j "Japanese")
  51 (define-category ?h "Korean")
  52 (define-category ?e "Ethiopic
  53 Ethiopic (Ge'ez)")
  54 (define-category ?v "Viet
  55 Vietnamese")
  56 (define-category ?i "Indian")
  57 (define-category ?o "Lao")
  58 (define-category ?q "Tibetan")
  59
  60 ;; For each group (row) of 2-byte character sets.
  61
  62 (define-category ?A "2-byte alnum
  63 Alpha-numeric characters of 2-byte character sets")
  64 (define-category ?C "2-byte han
  65 Chinese (Han) characters of 2-byte character sets")
  66 (define-category ?G "2-byte Greek
  67 Greek characters of 2-byte character sets")
  68 (define-category ?H "2-byte Hiragana
  69 Japanese Hiragana characters of 2-byte character sets")
  70 (define-category ?K "2-byte Katakana
  71 Japanese Katakana characters of 2-byte character sets")
  72 (define-category ?N "2-byte Korean
  73 Korean Hangul characters of 2-byte character sets")
  74 (define-category ?Y "2-byte Cyrillic
  75 Cyrillic characters of 2-byte character sets")
  76 (define-category ?I "Indian Glyphs")
  77
  78 ;; For phonetic classifications.
  79
  80 (define-category ?0 "consonant")
  81 (define-category ?1 "base vowel
  82 Base (independent) vowel")
  83 (define-category ?2 "upper diacritic
  84 Upper diacritical mark (including upper vowel)")
  85 (define-category ?3 "lower diacritic
  86 Lower diacritical mark (including lower vowel)")
  87 (define-category ?4 "combining tone
  88 Combining tone mark")
  89 (define-category ?5 "symbol")
  90 (define-category ?6 "digit")
  91 (define-category ?7 "vowel diacritic
  92 Vowel-modifying diacritical mark")
  93 (define-category ?8 "vowel-signs")
  94 (define-category ?9 "semivowel lower")
  95
  96 ;; For filling.
  97 (define-category ?| "line breakable
  98 While filling, we can break a line at this character.")
  99
 100 ;; For indentation calculation.
 101 (define-category ?\s
 102   "space for indent
 103 This character counts as a space for indentation purposes.")
 104
 105 ;; Keep the following for `kinsoku' processing.  See comments in
 106 ;; kinsoku.el.
 107 (define-category ?> "Not at bol
 108 A character which can't be placed at beginning of line.")
 109 (define-category ?< "Not at eol
 110 A character which can't be placed at end of line.")
 111
 112 ;; Base and Combining
 113 (define-category ?. "Base
 114 Base characters (Unicode General Category L,N,P,S,Zs)")
 115 (define-category ?^ "Combining
 116 Combining diacritic or mark (Unicode General Category M)")
 117
 118 ;; bidi types
 119 (define-category ?R "Right-to-left (strong)
 120 Characters with \"strong\" right-to-left directionality, i.e.
 121 with R, AL, RLE, or RLO Unicode bidi character type.")
 122
 123 (define-category ?L "Left-to-right (strong)
 124 Characters with \"strong\" left-to-right directionality, i.e.
 125 with L, LRE, or LRO Unicode bidi character type.")
 126
 127 \f
 128 ;;; Setting syntax and category.
 129
 130 ;; ASCII
 131
 132 ;; All ASCII characters have the category `a' (ASCII) and `l' (Latin).
 133 (modify-category-entry '(32 . 127) ?a)
 134 (modify-category-entry '(32 . 127) ?l)
 135
 136 ;; Deal with the CJK charsets first.  Since the syntax of blocks is
 137 ;; defined per charset, and the charsets may contain e.g. Latin
 138 ;; characters, we end up with the wrong syntax definitions if we're
 139 ;; not careful.
 140
 141 ;; Chinese characters (Unicode)
 142 (modify-category-entry '(#x2E80 . #x312F) ?|)
 143 (modify-category-entry '(#x3190 . #x33FF) ?|)
 144 (modify-category-entry '(#x3400 . #x4DBF) ?C)
 145 (modify-category-entry '(#x4E00 . #x9FAF) ?C)
 146 (modify-category-entry '(#x3400 . #x9FAF) ?c)
 147 (modify-category-entry '(#x3400 . #x9FAF) ?|)
 148 (modify-category-entry '(#xF900 . #xFAFF) ?C)
 149 (modify-category-entry '(#xF900 . #xFAFF) ?c)
 150 (modify-category-entry '(#xF900 . #xFAFF) ?|)
 151 (modify-category-entry '(#x20000 . #x2FFFF) ?|)
 152 (modify-category-entry '(#x20000 . #x2FFFF) ?C)
 153 (modify-category-entry '(#x20000 . #x2FFFF) ?c)
 154
 155
 156 ;; Chinese character set (GB2312)
 157
 158 (map-charset-chars #'modify-syntax-entry 'chinese-gb2312 "_" #x2121 #x217E)
 159 (map-charset-chars #'modify-syntax-entry 'chinese-gb2312 "_" #x2221 #x227E)
 160 (map-charset-chars #'modify-syntax-entry 'chinese-gb2312 "_" #x2921 #x297E)
 161
 162 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?c)
 163 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?A #x2330 #x2339)
 164 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?A #x2341 #x235A)
 165 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?A #x2361 #x237A)
 166 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?H #x2421 #x247E)
 167 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?K #x2521 #x257E)
 168 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?G #x2621 #x267E)
 169 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?Y #x2721 #x277E)
 170 (map-charset-chars #'modify-category-entry 'chinese-gb2312 ?C #x3021 #x7E7E)
 171
 172 ;; Chinese character set (BIG5)
 173
 174 (map-charset-chars #'modify-category-entry 'big5 ?c)
 175 (map-charset-chars #'modify-category-entry 'big5 ?C #xA259 #xA261)
 176 (map-charset-chars #'modify-category-entry 'big5 ?C #xA440 #xC67E)
 177 (map-charset-chars #'modify-category-entry 'big5 ?C #xC940 #xF9DC)
 178
 179 ;; Chinese character set (CNS11643)
 180
 181 (dolist (c '(chinese-cns11643-1 chinese-cns11643-2 chinese-cns11643-3
 182              chinese-cns11643-4 chinese-cns11643-5 chinese-cns11643-6
 183              chinese-cns11643-7))
 184   (map-charset-chars #'modify-category-entry c ?c)
 185   (if (eq c 'chinese-cns11643-1)
 186       (map-charset-chars #'modify-category-entry c ?C #x4421 #x7E7E)
 187     (map-charset-chars #'modify-category-entry c ?C)))
 188
 189 ;; Japanese character set (JISX0201, JISX0208, JISX0212, JISX0213)
 190
 191 (map-charset-chars #'modify-category-entry 'katakana-jisx0201 ?k)
 192
 193 (map-charset-chars #'modify-category-entry 'latin-jisx0201 ?r)
 194
 195 (dolist (l '(katakana-jisx0201 japanese-jisx0208 japanese-jisx0212
 196                                japanese-jisx0213-1 japanese-jisx0213-2
 197                                cp932-2-byte))
 198   (map-charset-chars #'modify-category-entry l ?j))
 199
 200 ;; Fullwidth characters
 201 (modify-category-entry '(#xff01 . #xff60) ?\|)
 202
 203 ;; Unicode equivalents of JISX0201-kana
 204 (let ((range '(#xff61 . #xff9f)))
 205   (modify-category-entry range  ?k)
 206   (modify-category-entry range ?j)
 207   (modify-category-entry range ?\|))
 208
 209 ;; Katakana block
 210 (modify-category-entry '(#x3099 . #x309C) ?K)
 211 (modify-category-entry '(#x30A0 . #x30FF) ?K)
 212 (modify-category-entry '(#x31F0 . #x31FF) ?K)
 213 (modify-category-entry '(#x30A0 . #x30FA) ?\|)
 214 (modify-category-entry #x30FF ?\|)
 215
 216 ;; Hiragana block
 217 (modify-category-entry '(#x3040 . #x309F) ?H)
 218 (modify-category-entry '(#x3040 . #x3096) ?\|)
 219 (modify-category-entry #x309F ?\|)
 220 (modify-category-entry #x30A0 ?H)
 221 (modify-category-entry #x30FC ?H)
 222
 223
 224 ;; JISX0208
 225 (map-charset-chars #'modify-syntax-entry 'japanese-jisx0208 "_" #x2121 #x227E)
 226 (map-charset-chars #'modify-syntax-entry 'japanese-jisx0208 "_" #x2821 #x287E)
 227 (let ((chars '(?ー ?゛ ?゜ ?ヽ ?ヾ ?ゝ ?ゞ ?〃 ?仝 ?々 ?〆 ?〇)))
 228   (dolist (elt chars)
 229     (modify-syntax-entry elt "w")))
 230
 231 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?A #x2321 #x237E)
 232 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?H #x2421 #x247E)
 233 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?K #x2521 #x257E)
 234 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?G #x2621 #x267E)
 235 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?Y #x2721 #x277E)
 236 (map-charset-chars #'modify-category-entry 'japanese-jisx0208 ?C #x3021 #x7E7E)
 237 (let ((chars '(?仝 ?々 ?〆 ?〇)))
 238   (while chars
 239     (modify-category-entry (car chars) ?C)
 240     (setq chars (cdr chars))))
 241
 242 ;; JISX0212
 243
 244 (map-charset-chars #'modify-syntax-entry 'japanese-jisx0212 "_" #x2121 #x237E)
 245
 246 ;; JISX0201-Kana
 247
 248 (let ((chars '(?｡ ?､ ?･)))
 249   (while chars
 250     (modify-syntax-entry (car chars) ".")
 251     (setq chars (cdr chars))))
 252
 253 (modify-syntax-entry ?\｢ "(｣")
 254 (modify-syntax-entry ?\｣ "(｢")
 255
 256 ;; Korean character set (KSC5601)
 257
 258 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?h)
 259
 260 (map-charset-chars #'modify-syntax-entry 'korean-ksc5601 "_" #x2121 #x227E)
 261 (map-charset-chars #'modify-syntax-entry 'korean-ksc5601 "_" #x2621 #x277E)
 262 (map-charset-chars #'modify-syntax-entry 'korean-ksc5601 "_" #x2830 #x287E)
 263 (map-charset-chars #'modify-syntax-entry 'korean-ksc5601 "_" #x2930 #x297E)
 264 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?A #x2330 #x2339)
 265 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?A #x2341 #x235A)
 266 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?A #x2361 #x237A)
 267 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?G #x2521 #x257E)
 268 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?H #x2A21 #x2A7E)
 269 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?K #x2B21 #x2B7E)
 270 (map-charset-chars #'modify-category-entry 'korean-ksc5601 ?Y #x2C21 #x2C7E)
 271
 272 ;; These are in more than one charset.
 273 (let ((parens (concat "〈〉《》「」『』【】〔〕〖〗〘〙〚〛"
 274                       "︵︶︷︸︹︺︻︼︽︾︿﹀﹁﹂﹃﹄"
 275                       "（）［］｛｝"))
 276       open close)
 277   (dotimes (i (/ (length parens) 2))
 278     (setq open (aref parens (* i 2))
 279           close (aref parens (1+ (* i 2))))
 280     (modify-syntax-entry open (format "(%c" close))
 281     (modify-syntax-entry close (format ")%c" open))))
 282
 283 ;; Arabic character set
 284
 285 (let ((charsets '(arabic-iso8859-6
 286                   arabic-digit
 287                   arabic-1-column
 288                   arabic-2-column)))
 289   (while charsets
 290     (map-charset-chars #'modify-category-entry (car charsets) ?b)
 291     (setq charsets (cdr charsets))))
 292 (modify-category-entry '(#x600 . #x6ff) ?b)
 293 (modify-category-entry '(#xfb50 . #xfdff) ?b)
 294 (modify-category-entry '(#xfe70 . #xfefe) ?b)
 295
 296 ;; Cyrillic character set (ISO-8859-5)
 297
 298 (modify-syntax-entry ?№ ".")
 299
 300 ;; Ethiopic character set
 301
 302 (modify-category-entry '(#x1200 . #x1399) ?e)
 303 (modify-category-entry '(#x2d80 . #x2dde) ?e)
 304 (let ((chars '(?፡ ?። ?፣ ?፤ ?፥ ?፦ ?፧ ?፨)))
 305   (while chars
 306     (modify-syntax-entry (car chars) ".")
 307     (setq chars (cdr chars))))
 308 (map-charset-chars #'modify-category-entry 'ethiopic ?e)
 309
 310 ;; Hebrew character set (ISO-8859-8)
 311
 312 (modify-syntax-entry #x5be ".") ; MAQAF
 313 (modify-syntax-entry #x5c0 ".") ; PASEQ
 314 (modify-syntax-entry #x5c3 ".") ; SOF PASUQ
 315 (modify-syntax-entry #x5f3 ".") ; GERESH
 316 (modify-syntax-entry #x5f4 ".") ; GERSHAYIM
 317
 318 ;; Indian character set (IS 13194 and other Emacs original Indian charsets)
 319
 320 (modify-category-entry '(#x901 . #x970) ?i)
 321 (map-charset-chars #'modify-category-entry 'indian-is13194 ?i)
 322 (map-charset-chars #'modify-category-entry 'indian-2-column ?i)
 323
 324 ;; Lao character set
 325
 326 (modify-category-entry '(#xe80 . #xeff) ?o)
 327 (map-charset-chars #'modify-category-entry 'lao ?o)
 328
 329 (let ((deflist  '(("ກ-ຮ"    "w"     ?0) ; consonant
 330                   ("ະາຳຽເ-ໄ"        "w"     ?1) ; vowel base
 331                   ("ັິ-ືົໍ"   "w"     ?2) ; vowel upper
 332                   ("ຸູ"     "w"     ?3) ; vowel lower
 333                   ("່-໋"    "w"     ?4) ; tone mark
 334                   ("ຼຽ"     "w"     ?9) ; semivowel lower
 335                   ("໐-໙"    "w"     ?6) ; digit
 336                   ("ຯໆ"     "_"     ?5) ; symbol
 337                   ))
 338       elm chars len syntax category to ch i)
 339   (while deflist
 340     (setq elm (car deflist))
 341     (setq chars (car elm)
 342           len (length chars)
 343           syntax (nth 1 elm)
 344           category (nth 2 elm)
 345           i 0)
 346     (while (< i len)
 347       (if (= (aref chars i) ?-)
 348           (setq i (1+ i)
 349                 to (aref chars i))
 350         (setq ch (aref chars i)
 351               to ch))
 352       (while (<= ch to)
 353         (unless (string-equal syntax "w")
 354           (modify-syntax-entry ch syntax))
 355         (modify-category-entry ch category)
 356         (setq ch (1+ ch)))
 357       (setq i (1+ i)))
 358     (setq deflist (cdr deflist))))
 359
 360 ;; Thai character set (TIS620)
 361
 362 (modify-category-entry '(#xe00 . #xe7f) ?t)
 363 (map-charset-chars #'modify-category-entry 'thai-tis620 ?t)
 364
 365 (let ((deflist  '(;; chars      syntax  category
 366                   ("ก-รลว-ฮ"  "w"     ?0) ; consonant
 367                   ("ฤฦะาำเ-ๅ"     "w"     ?1) ; vowel base
 368                   ("ัิ-ื็๎"   "w"     ?2) ; vowel upper
 369                   ("ุ-ฺ"    "w"     ?3) ; vowel lower
 370                   ("่-ํ"    "w"     ?4) ; tone mark
 371                   ("๐-๙"    "w"     ?6) ; digit
 372                   ("ฯๆ฿๏๚๛" "_"     ?5) ; symbol
 373                   ))
 374       elm chars len syntax category to ch i)
 375   (while deflist
 376     (setq elm (car deflist))
 377     (setq chars (car elm)
 378           len (length chars)
 379           syntax (nth 1 elm)
 380           category (nth 2 elm)
 381           i 0)
 382     (while (< i len)
 383       (if (= (aref chars i) ?-)
 384           (setq i (1+ i)
 385                 to (aref chars i))
 386         (setq ch (aref chars i)
 387               to ch))
 388       (while (<= ch to)
 389         (unless (string-equal syntax "w")
 390           (modify-syntax-entry ch syntax))
 391         (modify-category-entry ch category)
 392         (setq ch (1+ ch)))
 393       (setq i (1+ i)))
 394     (setq deflist (cdr deflist))))
 395
 396 ;; Tibetan character set
 397
 398 (modify-category-entry '(#xf00 . #xfff) ?q)
 399 (map-charset-chars #'modify-category-entry 'tibetan ?q)
 400 (map-charset-chars #'modify-category-entry 'tibetan-1-column ?q)
 401
 402 (let ((deflist  '(;; chars             syntax category
 403                   ("ཀ-ཀྵཪ"         "w"     ?0) ; consonant
 404                   ("ྐ-ྐྵྺྻྼ"       "w"     ?0) ;
 405                   ("ིེཻོཽྀ"       "w"       ?2) ; upper vowel
 406                   ("ཾྂྃ྆྇ྈྉྊྋ" "w"    ?2) ; upper modifier
 407                   ("྄ཱུ༙༵༷"       "w"       ?3) ; lower vowel/modifier
 408                   ("཰"                "w" ?3)             ; invisible vowel a
 409                   ("༠-༩༪-༳"             "w"     ?6) ; digit
 410                   ("་།-༒༔ཿ"        "."     ?|) ; line-break char
 411                   ("་།༏༐༑༔ཿ"            "."     ?|) ;
 412                   ("༈་།-༒༔ཿ༽༴"  "."     ?>) ; prohibition
 413                   ("་།༏༐༑༔ཿ"            "."     ?>) ;
 414                   ("ༀ-༊༼࿁࿂྅"      "."     ?<) ; prohibition
 415                   ("༓༕-༘༚-༟༶༸-༻༾༿྾྿-࿏" "." ?q) ; others
 416                   ))
 417       elm chars len syntax category to ch i)
 418   (while deflist
 419     (setq elm (car deflist))
 420     (setq chars (car elm)
 421           len (length chars)
 422           syntax (nth 1 elm)
 423           category (nth 2 elm)
 424           i 0)
 425     (while (< i len)
 426       (if (= (aref chars i) ?-)
 427           (setq i (1+ i)
 428                 to (aref chars i))
 429         (setq ch (aref chars i)
 430               to ch))
 431       (while (<= ch to)
 432         (unless (string-equal syntax "w")
 433           (modify-syntax-entry ch syntax))
 434         (modify-category-entry ch category)
 435         (setq ch (1+ ch)))
 436       (setq i (1+ i)))
 437     (setq deflist (cdr deflist))))
 438
 439 ;; Vietnamese character set
 440
 441 ;; To make a word with Latin characters
 442 (map-charset-chars #'modify-category-entry 'vietnamese-viscii-lower ?l)
 443 (map-charset-chars #'modify-category-entry 'vietnamese-viscii-lower ?v)
 444
 445 (map-charset-chars #'modify-category-entry 'vietnamese-viscii-upper ?l)
 446 (map-charset-chars #'modify-category-entry 'vietnamese-viscii-upper ?v)
 447
 448 (let ((tbl (standard-case-table))
 449       (i 32))
 450   (while (< i 128)
 451     (let* ((char (decode-char 'vietnamese-viscii-upper i))
 452            (charl (decode-char 'vietnamese-viscii-lower i))
 453            (uc (encode-char char 'ucs))
 454            (lc (encode-char charl 'ucs)))
 455       (set-case-syntax-pair char (decode-char 'vietnamese-viscii-lower i)
 456                             tbl)
 457       (if uc (modify-category-entry uc ?v))
 458       (if lc (modify-category-entry lc ?v)))
 459     (setq i (1+ i))))
 460
 461 ;; Tai Viet
 462 (let ((deflist '(;; chars       syntax  category
 463                  ((?ꪀ.  ?ꪯ) "w"     ?0) ; consonant
 464                  ("ꪱꪵꪶ"           "w"     ?1) ; vowel base
 465                  ((?ꪹ . ?ꪽ) "w"     ?1) ; vowel base
 466                  ("ꪰꪲꪳꪷꪸꪾ"  "w"     ?2) ; vowel upper
 467                  ("ꪴ"         "w"     ?3) ; vowel lower
 468                  ("ꫀꫂ"              "w"     ?1) ; non-combining tone-mark
 469                  ("꪿꫁"              "w"     ?4) ; combining tone-mark
 470                  ((?ꫛ . ?꫟) "_"     ?5) ; symbol
 471                  )))
 472   (dolist (elm deflist)
 473     (let ((chars (car elm))
 474           (syntax (nth 1 elm))
 475           (category (nth 2 elm)))
 476       (if (consp chars)
 477           (progn
 478             (modify-syntax-entry chars syntax)
 479             (modify-category-entry chars category))
 480         (mapc #'(lambda (x)
 481                   (modify-syntax-entry x syntax)
 482                   (modify-category-entry x category))
 483               chars)))))
 484
 485 ;; Bidi categories
 486
 487 (map-char-table (lambda (key val)
 488                   (cond
 489                    ((memq val '(R AL RLO RLE))
 490                     (modify-category-entry key ?R))
 491                    ((memq val '(L LRE LRO))
 492                     (modify-category-entry key ?L))))
 493                 (unicode-property-table-internal 'bidi-class))
 494
 495 ;; Latin
 496
 497 (modify-category-entry '(#x80 . #x024F) ?l)
 498
 499 (let ((tbl (standard-case-table)) c)
 500
 501   ;; Latin-1
 502
 503   ;; Fixme: Some of the non-word syntaxes here perhaps should be
 504   ;; reviewed.  (Note that the following all implicitly have word
 505   ;; syntax: ¢£¤¥¨ª¯²³´¶¸¹º.)  There should be a well-defined way of
 506   ;; relating Unicode categories to Emacs syntax codes.
 507
 508   ;; NBSP isn't semantically interchangeable with other whitespace chars,
 509   ;; so it's more like punctuation.
 510   (set-case-syntax ?  "." tbl)
 511   (set-case-syntax ?¡ "." tbl)
 512   (set-case-syntax ?¦ "_" tbl)
 513   (set-case-syntax ?§ "." tbl)
 514   (set-case-syntax ?© "_" tbl)
 515   (set-case-syntax-delims 171 187 tbl)  ; « »
 516   (set-case-syntax ?¬ "_" tbl)
 517   (set-case-syntax ? "_" tbl)
 518   (set-case-syntax ?® "_" tbl)
 519   (set-case-syntax ?° "_" tbl)
 520   (set-case-syntax ?± "_" tbl)
 521   (set-case-syntax ?µ "_" tbl)
 522   (set-case-syntax ?· "_" tbl)
 523   (set-case-syntax ?¼ "_" tbl)
 524   (set-case-syntax ?½ "_" tbl)
 525   (set-case-syntax ?¾ "_" tbl)
 526   (set-case-syntax ?¿ "." tbl)
 527   (let ((c 192))
 528     (while (<= c 222)
 529       (set-case-syntax-pair c (+ c 32) tbl)
 530       (setq c (1+ c))))
 531   (set-case-syntax ?× "_" tbl)
 532   (set-case-syntax ?ß "w" tbl)
 533   (set-case-syntax ?÷ "_" tbl)
 534   ;; See below for ÿ.
 535
 536   ;; Latin Extended-A, Latin Extended-B
 537   (setq c #x0100)
 538   (while (<= c #x02B8)
 539     (modify-category-entry c ?l)
 540     (setq c (1+ c)))
 541
 542   (let ((pair-ranges '((#x0100 . #x012F)
 543                        (#x0132 . #x0137)
 544                        (#x0139 . #x0148)
 545                        (#x014a . #x0177)
 546                        (#x0179 . #x017E)
 547                        (#x0182 . #x0185)
 548                        (#x0187 . #x0188)
 549                        (#x018B . #x018C)
 550                        (#x0191 . #x0192)
 551                        (#x0198 . #x0199)
 552                        (#x01A0 . #x01A5)
 553                        (#x01A7 . #x01A8)
 554                        (#x01AC . #x01AD)
 555                        (#x01AF . #x01B0)
 556                        (#x01B3 . #x01B6)
 557                        (#x01B8 . #x01B9)
 558                        (#x01BC . #x01BD)
 559                        (#x01CD . #x01DC)
 560                        (#x01DE . #x01EF)
 561                        (#x01F4 . #x01F5)
 562                        (#x01F8 . #x021F)
 563                        (#x0222 . #x0233)
 564                        (#x023B . #x023C)
 565                        (#x0241 . #x0242)
 566                        (#x0246 . #x024F))))
 567     (dolist (elt pair-ranges)
 568       (let ((from (car elt)) (to (cdr elt)))
 569         (while (< from to)
 570           (set-case-syntax-pair from (1+ from) tbl)
 571           (setq from (+ from 2))))))
 572
 573   (set-case-syntax-pair ?Ÿ ?ÿ tbl)
 574
 575   ;; In some languages, such as Turkish, U+0049 LATIN CAPITAL LETTER I
 576   ;; and U+0131 LATIN SMALL LETTER DOTLESS I make a case pair, and so
 577   ;; do U+0130 LATIN CAPITAL LETTER I WITH DOT ABOVE and U+0069 LATIN
 578   ;; SMALL LETTER I.
 579
 580   ;; We used to set up half of those correspondence unconditionally,
 581   ;; but that makes searches slow.  So now we don't set up either half
 582   ;; of these correspondences by default.
 583
 584   ;; (set-downcase-syntax  ?İ ?i tbl)
 585   ;; (set-upcase-syntax    ?I ?ı tbl)
 586
 587   (set-case-syntax-pair ?Ɓ ?ɓ tbl)
 588   (set-case-syntax-pair ?Ɔ ?ɔ tbl)
 589   (set-case-syntax-pair ?Ɖ ?ɖ tbl)
 590   (set-case-syntax-pair ?Ɗ ?ɗ tbl)
 591   (set-case-syntax-pair ?Ǝ ?ǝ tbl)
 592   (set-case-syntax-pair ?Ə ?ə tbl)
 593   (set-case-syntax-pair ?Ɛ ?ɛ tbl)
 594   (set-case-syntax-pair ?Ɠ ?ɠ tbl)
 595   (set-case-syntax-pair ?Ɣ ?ɣ tbl)
 596   (set-case-syntax-pair ?Ɩ ?ɩ tbl)
 597   (set-case-syntax-pair ?Ɨ ?ɨ tbl)
 598   (set-case-syntax-pair ?Ɯ ?ɯ tbl)
 599   (set-case-syntax-pair ?Ɲ ?ɲ tbl)
 600   (set-case-syntax-pair ?Ɵ ?ɵ tbl)
 601   (set-case-syntax-pair ?Ʀ ?ʀ tbl)
 602   (set-case-syntax-pair ?Ʃ ?ʃ tbl)
 603   (set-case-syntax-pair ?Ʈ ?ʈ tbl)
 604   (set-case-syntax-pair ?Ʊ ?ʊ tbl)
 605   (set-case-syntax-pair ?Ʋ ?ʋ tbl)
 606   (set-case-syntax-pair ?Ʒ ?ʒ tbl)
 607   (set-case-syntax-pair ?Ǆ ?ǆ tbl)
 608   (set-case-syntax-pair ?ǅ ?ǆ tbl)
 609   (set-case-syntax-pair ?Ǉ ?ǉ tbl)
 610   (set-case-syntax-pair ?ǈ ?ǉ tbl)
 611   (set-case-syntax-pair ?Ǌ ?ǌ tbl)
 612   (set-case-syntax-pair ?ǋ ?ǌ tbl)
 613
 614   ;; 01F0; F; 006A 030C; # LATIN SMALL LETTER J WITH CARON
 615   (set-case-syntax-pair ?Ǳ ?ǳ tbl)
 616   (set-case-syntax-pair ?ǲ ?ǳ tbl)
 617   (set-case-syntax-pair ?Ƕ ?ƕ tbl)
 618   (set-case-syntax-pair ?Ƿ ?ƿ tbl)
 619   (set-case-syntax-pair ?Ⱥ ?ⱥ tbl)
 620   (set-case-syntax-pair ?Ƚ ?ƚ tbl)
 621   (set-case-syntax-pair ?Ⱦ ?ⱦ tbl)
 622   (set-case-syntax-pair ?Ƀ ?ƀ tbl)
 623   (set-case-syntax-pair ?Ʉ ?ʉ tbl)
 624   (set-case-syntax-pair ?Ʌ ?ʌ tbl)
 625
 626   ;; Latin Extended Additional
 627   (modify-category-entry '(#x1e00 . #x1ef9) ?l)
 628   (setq c #x1e00)
 629   (while (<= c #x1ef9)
 630     (and (zerop (% c 2))
 631          (or (<= c #x1e94) (>= c #x1ea0))
 632          (set-case-syntax-pair c (1+ c) tbl))
 633     (setq c (1+ c)))
 634
 635   ;; Greek
 636   (modify-category-entry '(#x0370 . #x03ff) ?g)
 637   (setq c #x0370)
 638   (while (<= c #x03ff)
 639     (if (or (and (>= c #x0391) (<= c #x03a1))
 640             (and (>= c #x03a3) (<= c #x03ab)))
 641         (set-case-syntax-pair c (+ c 32) tbl))
 642     (and (>= c #x03da)
 643          (<= c #x03ee)
 644          (zerop (% c 2))
 645          (set-case-syntax-pair c (1+ c) tbl))
 646     (setq c (1+ c)))
 647   (set-case-syntax-pair ?Ά ?ά tbl)
 648   (set-case-syntax-pair ?Έ ?έ tbl)
 649   (set-case-syntax-pair ?Ή ?ή tbl)
 650   (set-case-syntax-pair ?Ί ?ί tbl)
 651   (set-case-syntax-pair ?Ό ?ό tbl)
 652   (set-case-syntax-pair ?Ύ ?ύ tbl)
 653   (set-case-syntax-pair ?Ώ ?ώ tbl)
 654
 655   ;; Armenian
 656   (setq c #x531)
 657   (while (<= c #x556)
 658     (set-case-syntax-pair c (+ c #x30) tbl)
 659     (setq c (1+ c)))
 660
 661   ;; Greek Extended
 662   (modify-category-entry '(#x1f00 . #x1fff) ?g)
 663   (setq c #x1f00)
 664   (while (<= c #x1fff)
 665     (and (<= (logand c #x000f) 7)
 666          (<= c #x1fa7)
 667          (not (memq c '(#x1f16 #x1f17 #x1f56 #x1f57
 668                                #x1f50 #x1f52 #x1f54 #x1f56)))
 669          (/= (logand c #x00f0) #x70)
 670          (set-case-syntax-pair (+ c 8) c tbl))
 671     (setq c (1+ c)))
 672   (set-case-syntax-pair ?Ᾰ ?ᾰ tbl)
 673   (set-case-syntax-pair ?Ᾱ ?ᾱ tbl)
 674   (set-case-syntax-pair ?Ὰ ?ὰ tbl)
 675   (set-case-syntax-pair ?Ά ?ά tbl)
 676   (set-case-syntax-pair ?ᾼ ?ᾳ tbl)
 677   (set-case-syntax-pair ?Ὲ ?ὲ tbl)
 678   (set-case-syntax-pair ?Έ ?έ tbl)
 679   (set-case-syntax-pair ?Ὴ ?ὴ tbl)
 680   (set-case-syntax-pair ?Ή ?ή tbl)
 681   (set-case-syntax-pair ?ῌ ?ῃ tbl)
 682   (set-case-syntax-pair ?Ῐ ?ῐ tbl)
 683   (set-case-syntax-pair ?Ῑ ?ῑ tbl)
 684   (set-case-syntax-pair ?Ὶ ?ὶ tbl)
 685   (set-case-syntax-pair ?Ί ?ί tbl)
 686   (set-case-syntax-pair ?Ῠ ?ῠ tbl)
 687   (set-case-syntax-pair ?Ῡ ?ῡ tbl)
 688   (set-case-syntax-pair ?Ὺ ?ὺ tbl)
 689   (set-case-syntax-pair ?Ύ ?ύ tbl)
 690   (set-case-syntax-pair ?Ῥ ?ῥ tbl)
 691   (set-case-syntax-pair ?Ὸ ?ὸ tbl)
 692   (set-case-syntax-pair ?Ό ?ό tbl)
 693   (set-case-syntax-pair ?Ὼ ?ὼ tbl)
 694   (set-case-syntax-pair ?Ώ ?ώ tbl)
 695   (set-case-syntax-pair ?ῼ ?ῳ tbl)
 696
 697   ;; cyrillic
 698   (modify-category-entry '(#x0400 . #x04FF) ?y)
 699   (setq c #x0400)
 700   (while (<= c #x04ff)
 701     (and (>= c #x0400)
 702          (<= c #x040f)
 703          (set-case-syntax-pair c (+ c 80) tbl))
 704     (and (>= c #x0410)
 705          (<= c #x042f)
 706          (set-case-syntax-pair c (+ c 32) tbl))
 707     (and (zerop (% c 2))
 708          (or (and (>= c #x0460) (<= c #x0480))
 709              (and (>= c #x048c) (<= c #x04be))
 710              (and (>= c #x04d0) (<= c #x04f4)))
 711          (set-case-syntax-pair c (1+ c) tbl))
 712     (setq c (1+ c)))
 713   (set-case-syntax-pair ?Ӂ ?ӂ tbl)
 714   (set-case-syntax-pair ?Ӄ ?ӄ tbl)
 715   (set-case-syntax-pair ?Ӈ ?ӈ tbl)
 716   (set-case-syntax-pair ?Ӌ ?ӌ tbl)
 717   (set-case-syntax-pair ?Ӹ ?ӹ tbl)
 718
 719   ;; general punctuation
 720   (setq c #x2000)
 721   (while (<= c #x200b)
 722     (set-case-syntax c " " tbl)
 723     (setq c (1+ c)))
 724   (while (<= c #x200F)
 725     (set-case-syntax c "." tbl)
 726     (setq c (1+ c)))
 727   ;; Fixme: These aren't all right:
 728   (setq c #x2010)
 729   (while (<= c #x2016)
 730     (set-case-syntax c "_" tbl)
 731     (setq c (1+ c)))
 732   ;; Punctuation syntax for quotation marks (like `)
 733   (while (<= c #x201f)
 734     (set-case-syntax  c "." tbl)
 735     (setq c (1+ c)))
 736   ;; Fixme: These aren't all right:
 737   (while (<= c #x2027)
 738     (set-case-syntax c "_" tbl)
 739     (setq c (1+ c)))
 740   (while (<= c #x206F)
 741     (set-case-syntax c "." tbl)
 742     (setq c (1+ c)))
 743
 744   ;; Roman numerals
 745   (setq c #x2160)
 746   (while (<= c #x216f)
 747     (set-case-syntax-pair c (+ c #x10) tbl)
 748     (setq c (1+ c)))
 749
 750   ;; Fixme: The following blocks might be better as symbol rather than
 751   ;; punctuation.
 752   ;; Arrows
 753   (setq c #x2190)
 754   (while (<= c #x21FF)
 755     (set-case-syntax c "." tbl)
 756     (setq c (1+ c)))
 757   ;; Mathematical Operators
 758   (while (<= c #x22FF)
 759     (set-case-syntax c "." tbl)
 760     (setq c (1+ c)))
 761   ;; Miscellaneous Technical
 762   (while (<= c #x23FF)
 763     (set-case-syntax c "." tbl)
 764     (setq c (1+ c)))
 765   ;; Control Pictures
 766   (while (<= c #x243F)
 767     (set-case-syntax c "_" tbl)
 768     (setq c (1+ c)))
 769
 770   ;; Circled Latin
 771   (setq c #x24b6)
 772   (while (<= c #x24cf)
 773     (set-case-syntax-pair c (+ c 26) tbl)
 774     (modify-category-entry c ?l)
 775     (modify-category-entry (+ c 26) ?l)
 776     (setq c (1+ c)))
 777
 778   ;; Fullwidth Latin
 779   (setq c #xff21)
 780   (while (<= c #xff3a)
 781     (set-case-syntax-pair c (+ c #x20) tbl)
 782     (modify-category-entry c ?l)
 783     (modify-category-entry (+ c #x20) ?l)
 784     (setq c (1+ c)))
 785
 786   ;; Combining diacritics
 787   (modify-category-entry '(#x300 . #x362) ?^)
 788   ;; Combining marks
 789   (modify-category-entry '(#x20d0 . #x20e3) ?^)
 790
 791   ;; Fixme: syntax for symbols &c
 792   )
 793
 794 (let ((pairs
 795        '("⁅⁆"                               ; U+2045 U+2046
 796          "⁽⁾"                               ; U+207D U+207E
 797          "₍₎"                               ; U+208D U+208E
 798          "〈〉"                               ; U+2329 U+232A
 799          "⎴⎵"                               ; U+23B4 U+23B5
 800          "❨❩"                               ; U+2768 U+2769
 801          "❪❫"                               ; U+276A U+276B
 802          "❬❭"                               ; U+276C U+276D
 803          "❰❱"                               ; U+2770 U+2771
 804          "❲❳"                               ; U+2772 U+2773
 805          "❴❵"                               ; U+2774 U+2775
 806          "⟦⟧"                               ; U+27E6 U+27E7
 807          "⟨⟩"                               ; U+27E8 U+27E9
 808          "⟪⟫"                               ; U+27EA U+27EB
 809          "⦃⦄"                               ; U+2983 U+2984
 810          "⦅⦆"                               ; U+2985 U+2986
 811          "⦇⦈"                               ; U+2987 U+2988
 812          "⦉⦊"                               ; U+2989 U+298A
 813          "⦋⦌"                               ; U+298B U+298C
 814          "⦍⦎"                               ; U+298D U+298E
 815          "⦏⦐"                               ; U+298F U+2990
 816          "⦑⦒"                               ; U+2991 U+2992
 817          "⦓⦔"                               ; U+2993 U+2994
 818          "⦕⦖"                               ; U+2995 U+2996
 819          "⦗⦘"                               ; U+2997 U+2998
 820          "⧼⧽"                               ; U+29FC U+29FD
 821          "〈〉"                               ; U+3008 U+3009
 822          "《》"                               ; U+300A U+300B
 823          "「」"                               ; U+300C U+300D
 824          "『』"                               ; U+300E U+300F
 825          "【】"                               ; U+3010 U+3011
 826          "〔〕"                               ; U+3014 U+3015
 827          "〖〗"                               ; U+3016 U+3017
 828          "〘〙"                               ; U+3018 U+3019
 829          "〚〛"                               ; U+301A U+301B
 830          "﴾﴿"                               ; U+FD3E U+FD3F
 831          "︵︶"                               ; U+FE35 U+FE36
 832          "︷︸"                               ; U+FE37 U+FE38
 833          "︹︺"                               ; U+FE39 U+FE3A
 834          "︻︼"                               ; U+FE3B U+FE3C
 835          "︽︾"                               ; U+FE3D U+FE3E
 836          "︿﹀"                               ; U+FE3F U+FE40
 837          "﹁﹂"                               ; U+FE41 U+FE42
 838          "﹃﹄"                               ; U+FE43 U+FE44
 839          "﹙﹚"                               ; U+FE59 U+FE5A
 840          "﹛﹜"                               ; U+FE5B U+FE5C
 841          "﹝﹞"                               ; U+FE5D U+FE5E
 842          "（）"                               ; U+FF08 U+FF09
 843          "［］"                               ; U+FF3B U+FF3D
 844          "｛｝"                               ; U+FF5B U+FF5D
 845          "｟｠"                               ; U+FF5F U+FF60
 846          "｢｣"                               ; U+FF62 U+FF63
 847          )))
 848   (dolist (elt pairs)
 849     (modify-syntax-entry (aref elt 0) (string ?\( (aref elt 1)))
 850     (modify-syntax-entry (aref elt 1) (string ?\) (aref elt 0)))))
 851
 852 \f
 853 ;; For each character set, put the information of the most proper
 854 ;; coding system to encode it by `preferred-coding-system' property.
 855
 856 ;; Fixme: should this be junked?
 857 (let ((l '((latin-iso8859-1     . iso-latin-1)
 858            (latin-iso8859-2     . iso-latin-2)
 859            (latin-iso8859-3     . iso-latin-3)
 860            (latin-iso8859-4     . iso-latin-4)
 861            (thai-tis620         . thai-tis620)
 862            (greek-iso8859-7     . greek-iso-8bit)
 863            (arabic-iso8859-6    . iso-2022-7bit)
 864            (hebrew-iso8859-8    . hebrew-iso-8bit)
 865            (katakana-jisx0201   . japanese-shift-jis)
 866            (latin-jisx0201      . japanese-shift-jis)
 867            (cyrillic-iso8859-5  . cyrillic-iso-8bit)
 868            (latin-iso8859-9     . iso-latin-5)
 869            (japanese-jisx0208-1978 . iso-2022-jp)
 870            (chinese-gb2312      . chinese-iso-8bit)
 871            (chinese-gbk         . chinese-gbk)
 872            (gb18030-2-byte      . chinese-gb18030)
 873            (gb18030-4-byte-bmp  . chinese-gb18030)
 874            (gb18030-4-byte-smp  . chinese-gb18030)
 875            (gb18030-4-byte-ext-1 . chinese-gb18030)
 876            (gb18030-4-byte-ext-2 . chinese-gb18030)
 877            (japanese-jisx0208   . iso-2022-jp)
 878            (korean-ksc5601      . iso-2022-kr)
 879            (japanese-jisx0212   . iso-2022-jp)
 880            (chinese-big5-1      . chinese-big5)
 881            (chinese-big5-2      . chinese-big5)
 882            (chinese-sisheng     . iso-2022-7bit)
 883            (ipa                 . iso-2022-7bit)
 884            (vietnamese-viscii-lower . vietnamese-viscii)
 885            (vietnamese-viscii-upper . vietnamese-viscii)
 886            (arabic-digit        . iso-2022-7bit)
 887            (arabic-1-column     . iso-2022-7bit)
 888            (lao                 . lao)
 889            (arabic-2-column     . iso-2022-7bit)
 890            (indian-is13194      . devanagari)
 891            (indian-glyph        . devanagari)
 892            (tibetan-1-column    . tibetan)
 893            (ethiopic            . iso-2022-7bit)
 894            (chinese-cns11643-1  . iso-2022-cn)
 895            (chinese-cns11643-2  . iso-2022-cn)
 896            (chinese-cns11643-3  . iso-2022-cn)
 897            (chinese-cns11643-4  . iso-2022-cn)
 898            (chinese-cns11643-5  . iso-2022-cn)
 899            (chinese-cns11643-6  . iso-2022-cn)
 900            (chinese-cns11643-7  . iso-2022-cn)
 901            (indian-2-column     . devanagari)
 902            (tibetan             . tibetan)
 903            (latin-iso8859-14    . iso-latin-8)
 904            (latin-iso8859-15    . iso-latin-9))))
 905   (while l
 906     (put-charset-property (car (car l)) 'preferred-coding-system (cdr (car l)))
 907     (setq l (cdr l))))
 908
 909 \f
 910 ;; Setup auto-fill-chars for charsets that should invoke auto-filling.
 911 ;; SPACE and NEWLINE are already set.
 912
 913 (set-char-table-range auto-fill-chars '(#x3041 . #x30FF) t)
 914 (set-char-table-range auto-fill-chars '(#x3400 . #x4DB5) t)
 915 (set-char-table-range auto-fill-chars '(#x4e00 . #x9fbb) t)
 916 (set-char-table-range auto-fill-chars '(#xF900 . #xFAFF) t)
 917 (set-char-table-range auto-fill-chars '(#xFF00 . #xFF9F) t)
 918 (set-char-table-range auto-fill-chars '(#x20000 . #x2FFFF) t)
 919
 920 \f
 921 ;;; Setting char-width-table.  The default is 1.
 922
 923 ;; 0: non-spacing, enclosing combining, formatting, Hangul Jamo medial
 924 ;;    and final characters.
 925 (let ((l '((#x0300 . #x036F)
 926            (#x0483 . #x0489)
 927            (#x0591 . #x05BD)
 928            (#x05BF . #x05BF)
 929            (#x05C1 . #x05C2)
 930            (#x05C4 . #x05C5)
 931            (#x05C7 . #x05C7)
 932            (#x0600 . #x0603)
 933            (#x0610 . #x0615)
 934            (#x064B . #x065E)
 935            (#x0670 . #x0670)
 936            (#x06D6 . #x06E4)
 937            (#x06E7 . #x06E8)
 938            (#x06EA . #x06ED)
 939            (#x070F . #x070F)
 940            (#x0711 . #x0711)
 941            (#x0730 . #x074A)
 942            (#x07A6 . #x07B0)
 943            (#x07EB . #x07F3)
 944            (#x0901 . #x0902)
 945            (#x093C . #x093C)
 946            (#x0941 . #x0948)
 947            (#x094D . #x094D)
 948            (#x0951 . #x0954)
 949            (#x0962 . #x0963)
 950            (#x0981 . #x0981)
 951            (#x09BC . #x09BC)
 952            (#x09C1 . #x09C4)
 953            (#x09CD . #x09CD)
 954            (#x09E2 . #x09E3)
 955            (#x0A01 . #x0A02)
 956            (#x0A3C . #x0A3C)
 957            (#x0A41 . #x0A4D)
 958            (#x0A70 . #x0A71)
 959            (#x0A81 . #x0A82)
 960            (#x0ABC . #x0ABC)
 961            (#x0AC1 . #x0AC8)
 962            (#x0ACD . #x0ACD)
 963            (#x0AE2 . #x0AE3)
 964            (#x0B01 . #x0B01)
 965            (#x0B3C . #x0B3C)
 966            (#x0B3F . #x0B3F)
 967            (#x0B41 . #x0B43)
 968            (#x0B4D . #x0B56)
 969            (#x0B82 . #x0B82)
 970            (#x0BC0 . #x0BC0)
 971            (#x0BCD . #x0BCD)
 972            (#x0C3E . #x0C40)
 973            (#x0C46 . #x0C56)
 974            (#x0CBC . #x0CBC)
 975            (#x0CBF . #x0CBF)
 976            (#x0CC6 . #x0CC6)
 977            (#x0CCC . #x0CCD)
 978            (#x0CE2 . #x0CE3)
 979            (#x0D41 . #x0D43)
 980            (#x0D4D . #x0D4D)
 981            (#x0DCA . #x0DCA)
 982            (#x0DD2 . #x0DD6)
 983            (#x0E31 . #x0E31)
 984            (#x0E34 . #x0E3A)
 985            (#x0E47 . #x0E4E)
 986            (#x0EB1 . #x0EB1)
 987            (#x0EB4 . #x0EBC)
 988            (#x0EC8 . #x0ECD)
 989            (#x0F18 . #x0F19)
 990            (#x0F35 . #x0F35)
 991            (#x0F37 . #x0F37)
 992            (#x0F39 . #x0F39)
 993            (#x0F71 . #x0F7E)
 994            (#x0F80 . #x0F84)
 995            (#x0F86 . #x0F87)
 996            (#x0F90 . #x0FBC)
 997            (#x0FC6 . #x0FC6)
 998            (#x102D . #x1030)
 999            (#x1032 . #x1037)
1000            (#x1039 . #x1039)
1001            (#x1058 . #x1059)
1002            (#x1160 . #x11FF)
1003            (#x135F . #x135F)
1004            (#x1712 . #x1714)
1005            (#x1732 . #x1734)
1006            (#x1752 . #x1753)
1007            (#x1772 . #x1773)
1008            (#x17B4 . #x17B5)
1009            (#x17B7 . #x17BD)
1010            (#x17C6 . #x17C6)
1011            (#x17C9 . #x17D3)
1012            (#x17DD . #x17DD)
1013            (#x180B . #x180D)
1014            (#x18A9 . #x18A9)
1015            (#x1920 . #x1922)
1016            (#x1927 . #x1928)
1017            (#x1932 . #x1932)
1018            (#x1939 . #x193B)
1019            (#x1A17 . #x1A18)
1020            (#x1B00 . #x1B03)
1021            (#x1B34 . #x1B34)
1022            (#x1B36 . #x1B3A)
1023            (#x1B3C . #x1B3C)
1024            (#x1B42 . #x1B42)
1025            (#x1B6B . #x1B73)
1026            (#x1DC0 . #x1DFF)
1027            (#x200B . #x200F)
1028            (#x202A . #x202E)
1029            (#x2060 . #x206F)
1030            (#x20D0 . #x20EF)
1031            (#x302A . #x302F)
1032            (#x3099 . #x309A)
1033            (#xA806 . #xA806)
1034            (#xA80B . #xA80B)
1035            (#xA825 . #xA826)
1036            (#xFB1E . #xFB1E)
1037            (#xFE00 . #xFE0F)
1038            (#xFE20 . #xFE23)
1039            (#xFEFF . #xFEFF)
1040            (#xFFF9 . #xFFFB)
1041            (#x10A01 . #x10A0F)
1042            (#x10A38 . #x10A3F)
1043            (#x1D167 . #x1D169)
1044            (#x1D173 . #x1D182)
1045            (#x1D185 . #x1D18B)
1046            (#x1D1AA . #x1D1AD)
1047            (#x1D242 . #x1D244)
1048            (#xE0001 . #xE01EF))))
1049   (dolist (elt l)
1050     (set-char-table-range char-width-table elt 0)))
1051
1052 ;; 2: East Asian Wide and Full-width characters.
1053 (let ((l '((#x1100 . #x115F)
1054            (#x2329 . #x232A)
1055            (#x2E80 . #x303E)
1056            (#x3040 . #xA4CF)
1057            (#xAC00 . #xD7A3)
1058            (#xF900 . #xFAFF)
1059            (#xFE30 . #xFE6F)
1060            (#xFF01 . #xFF60)
1061            (#xFFE0 . #xFFE6)
1062            (#x20000 . #x2FFFF)
1063            (#x30000 . #x3FFFF))))
1064   (dolist (elt l)
1065     (set-char-table-range char-width-table elt 2)))
1066
1067 ;; Other double width
1068 ;;(map-charset-chars
1069 ;; (lambda (range ignore) (set-char-table-range char-width-table range 2))
1070 ;; 'ethiopic)
1071 ;; (map-charset-chars
1072 ;;  (lambda (range ignore) (set-char-table-range char-width-table range 2))
1073 ;; 'tibetan)
1074 (map-charset-chars
1075  (lambda (range ignore) (set-char-table-range char-width-table range 2))
1076  'indian-2-column)
1077 (map-charset-chars
1078  (lambda (range ignore) (set-char-table-range char-width-table range 2))
1079  'arabic-2-column)
1080
1081 ;; Internal use only.
1082 ;; Alist of locale symbol vs charsets.  In a language environment
1083 ;; corresponding to the locale, width of characters in the charsets is
1084 ;; set to 2.  Each element has the form:
1085 ;;   (LOCALE TABLE (CHARSET (FROM-CODE . TO-CODE) ...) ...)
1086 ;; LOCALE: locale symbol
1087 ;; TABLE: char-table used for char-width-table, initially nil.
1088 ;; CAHRSET: character set
1089 ;; FROM-CODE, TO-CODE: range of code-points in CHARSET
1090
1091 (defvar cjk-char-width-table-list
1092   '((ja_JP nil (japanese-jisx0208 (#x2121 . #x287E))
1093                (cp932-2-byte (#x8140 . #x879F)))
1094     (zh_CN nil (chinese-gb2312 (#x2121 . #x297E)))
1095     (zh_HK nil (big5-hkscs (#xA140 . #xA3FE) (#xC6A0 . #xC8FE)))
1096     (zh_TW nil (big5 (#xA140 . #xA3FE))
1097                (chinese-cns11643-1 (#x2121 . #x427E)))
1098     (ko_KR nil (korean-ksc5601 (#x2121 . #x2C7E)))))
1099
1100 ;; Internal use only.
1101 ;; Setup char-width-table appropriate for a language environment
1102 ;; corresponding to LOCALE-NAME (symbol).
1103
1104 (defun use-cjk-char-width-table (locale-name)
1105   (while (char-table-parent char-width-table)
1106     (setq char-width-table (char-table-parent char-width-table)))
1107   (let ((slot (assq locale-name cjk-char-width-table-list))
1108         table)
1109     (or slot (error "Unknown locale for CJK language environment: %s"
1110                     locale-name))
1111     (unless (nth 1 slot)
1112       (let ((table (make-char-table nil)))
1113         (dolist (charset-info (nthcdr 2 slot))
1114           (let ((charset (car charset-info)))
1115             (dolist (code-range (cdr charset-info))
1116               (map-charset-chars #'(lambda (range arg)
1117                                      (set-char-table-range table range 2))
1118                                  charset nil
1119                                  (car code-range) (cdr code-range)))))
1120         (optimize-char-table table)
1121         (set-char-table-parent table char-width-table)
1122         (setcar (cdr slot) table)))
1123     (setq char-width-table (nth 1 slot))))
1124
1125 (defun use-default-char-width-table ()
1126   "Internal use only.
1127 Setup char-width-table appropriate for non-CJK language environment."
1128   (while (char-table-parent char-width-table)
1129     (setq char-width-table (char-table-parent char-width-table))))
1130
1131 (optimize-char-table (standard-case-table))
1132 (optimize-char-table (standard-syntax-table))
1133
1134 \f
1135 ;; Setting char-script-table.
1136
1137 ;; The data is compiled from Blocks.txt and Scripts.txt in the
1138 ;; "Unicode Character Database", simplified to lump together all the
1139 ;; blocks belonging to the same language.  E.g., "Basic Latin",
1140 ;; "Latin-1 Supplement", "Latin Extended-A", etc. are all lumped
1141 ;; together under "latin".
1142 ;;
1143 ;; The Unicode blocks actually extend past some of these ranges with
1144 ;; undefined codepoints.
1145 (let ((script-list nil))
1146   (dolist
1147       (elt
1148        '((#x0000 #x007F latin)
1149          (#x00A0 #x024F latin)
1150          (#x0250 #x02AF phonetic)
1151          (#x02B0 #x036F latin)
1152          (#x0370 #x03E1 greek)
1153          (#x03E2 #x03EF coptic)
1154          (#x03F0 #x03F3 greek)
1155          (#x0400 #x052F cyrillic)
1156          (#x0530 #x058F armenian)
1157          (#x0590 #x05FF hebrew)
1158          (#x0600 #x06FF arabic)
1159          (#x0700 #x074F syriac)
1160          (#x0750 #x077F arabic)
1161          (#x0780 #x07BF thaana)
1162          (#x07C0 #x07FF nko)
1163          (#x0800 #x083F samaritan)
1164          (#x0840 #x085F mandaic)
1165          (#x08A0 #x08FF arabic)
1166          (#x0900 #x097F devanagari)
1167          (#x0980 #x09FF bengali)
1168          (#x0A00 #x0A7F gurmukhi)
1169          (#x0A80 #x0AFF gujarati)
1170          (#x0B00 #x0B7F oriya)
1171          (#x0B80 #x0BFF tamil)
1172          (#x0C00 #x0C7F telugu)
1173          (#x0C80 #x0CFF kannada)
1174          (#x0D00 #x0D7F malayalam)
1175          (#x0D80 #x0DFF sinhala)
1176          (#x0E00 #x0E7F thai)
1177          (#x0E80 #x0EFF lao)
1178          (#x0F00 #x0FFF tibetan)
1179          (#x1000 #x109F burmese) ; according to Unicode 6.1, should be "myanmar"
1180          (#x10A0 #x10FF georgian)
1181          (#x1100 #x11FF hangul)
1182          (#x1200 #x139F ethiopic)
1183          (#x13A0 #x13FF cherokee)
1184          (#x1400 #x167F canadian-aboriginal)
1185          (#x1680 #x169F ogham)
1186          (#x16A0 #x16FF runic)
1187          (#x1700 #x171F tagalog)
1188          (#x1720 #x173F hanunoo)
1189          (#x1740 #x175F buhid)
1190          (#x1760 #x177F tagbanwa)
1191          (#x1780 #x17FF khmer)
1192          (#x1800 #x18AF mongolian)
1193          (#x18B0 #x18FF canadian-aboriginal)
1194          (#x1900 #x194F limbu)
1195          (#x1950 #x197F tai-le)
1196          (#x1980 #x19DF tai-lue)
1197          (#x19E0 #x19FF khmer)
1198          (#x1A00 #x1A00 buginese)
1199          (#x1A20 #x1AAF tai-tham)
1200          (#x1B00 #x1B7F balinese)
1201          (#x1B80 #x1BBF sundanese)
1202          (#x1BC0 #x1BFF batak)
1203          (#x1C00 #x1C4F lepcha)
1204          (#x1C50 #x1C7F ol-chiki)
1205          (#x1CC0 #x1CCF sundanese)
1206          (#x1CD0 #x1CFF vedic)
1207          (#x1D00 #x1DBF phonetic)
1208          (#x1DC0 #x1EFF latin)
1209          (#x1F00 #x1FFF greek)
1210          (#x2000 #x27FF symbol)
1211          (#x2800 #x28FF braille)
1212          (#x2900 #x2BFF symbol)
1213          (#x2C00 #x2C5F glagolitic)
1214          (#x2C60 #x2C7F latin)
1215          (#x2C80 #x2CFF coptic)
1216          (#x2D00 #x2D2F georgian)
1217          (#x2D30 #x2D7F tifinagh)
1218          (#x2D80 #x2DDF ethiopic)
1219          (#x2DE0 #x2DFF cyrillic)
1220          (#x2E00 #x2E7F symbol)
1221          (#x2E80 #x2FDF han)
1222          (#x2FF0 #x2FFF ideographic-description)
1223          (#x3000 #x303F cjk-misc)
1224          (#x3040 #x30FF kana)
1225          (#x3100 #x312F bopomofo)
1226          (#x3130 #x318F hangul)
1227          (#x3190 #x319F kanbun)
1228          (#x31A0 #x31BF bopomofo)
1229          (#x31C0 #x31EF cjk-misc)
1230          (#x31F0 #x31FF kana)
1231          (#x3200 #x9FAF han)
1232          (#xA000 #xA4CF yi)
1233          (#xA4D0 #xA4FF lisu)
1234          (#xA500 #xA63F vai)
1235          (#xA640 #xA69F cyrillic)
1236          (#xA6A0 #xA6FF bamum)
1237          (#xA700 #xA7FF latin)
1238          (#xA800 #xA82F syloti-nagri)
1239          (#xA830 #xA83F north-indic-number)
1240          (#xA840 #xA87F phags-pa)
1241          (#xA880 #xA8DF saurashtra)
1242          (#xA8E0 #xA8FF devanagari)
1243          (#xA900 #xA92F kayah-li)
1244          (#xA930 #xA95F rejang)
1245          (#xA960 #xA97F hangul)
1246          (#xA980 #xA9DF javanese)
1247          (#xAA00 #xAA5F cham)
1248          (#xAA60 #xAA7B burmese)        ; Unicode 6.1: "myanmar"
1249          (#xAA80 #xAADF tai-viet)
1250          (#xAAE0 #xAAFF meetei-mayek)
1251          (#xAB00 #xAB2F ethiopic)
1252          (#xABC0 #xABFF meetei-mayek)
1253          (#xAC00 #xD7FF hangul)
1254          (#xF900 #xFAFF han)
1255          (#xFB1D #xFB4F hebrew)
1256          (#xFB50 #xFDFF arabic)
1257          (#xFE30 #xFE4F han)
1258          (#xFE70 #xFEFF arabic)
1259          (#xFF00 #xFF5F cjk-misc)
1260          (#xFF61 #xFF9F kana)
1261          (#xFFE0 #xFFE6 cjk-misc)
1262          (#x10000 #x100FF linear-b)
1263          (#x10100 #x1013F aegean-number)
1264          (#x10140 #x1018F ancient-greek-number)
1265          (#x10190 #x101CF ancient-symbol)
1266          (#x101D0 #x101FF phaistos-disc)
1267          (#x10280 #x1029F lycian)
1268          (#x102A0 #x102DF carian)
1269          (#x10300 #x1032F olt-italic)
1270          (#x10330 #x1034F gothic)
1271          (#x10380 #x1039F ugaritic)
1272          (#x103A0 #x103DF old-persian)
1273          (#x10400 #x1044F deseret)
1274          (#x10450 #x1047F shavian)
1275          (#x10480 #x104AF osmanya)
1276          (#x10800 #x1083F cypriot-syllabary)
1277          (#x10840 #x1085F aramaic)
1278          (#x10900 #x1091F phoenician)
1279          (#x10920 #x1093F lydian)
1280          (#x10980 #x109FF meroitic)
1281          (#x10A00 #x10A5F kharoshthi)
1282          (#x10A60 #x10A7F old-south-arabian)
1283          (#x10B00 #x10B3F avestan)
1284          (#x10B40 #x10B5F inscriptional-parthian)
1285          (#x10B60 #x10B7F inscriptional-pahlavi)
1286          (#x10C00 #x10C4F old-turkic)
1287          (#x10E60 #x10E7F rumi-number)
1288          (#x11000 #x1107F brahmi)
1289          (#x11080 #x110CF kaithi)
1290          (#x110D0 #x110FF sora-sompeng)
1291          (#x11100 #x1114F chakma)
1292          (#x11180 #x111DF sharada)
1293          (#x11680 #x116CF takri)
1294          (#x12000 #x123FF cuneiform)
1295          (#x12400 #x1247F cuneiform-numbers-and-punctuation)
1296          (#x13000 #x1342F egyptian)
1297          (#x16800 #x16A3F bamum)
1298          (#x16F00 #x16F9F miao)
1299          (#x1B000 #x1B0FF kana)
1300          (#x1D000 #x1D0FF byzantine-musical-symbol)
1301          (#x1D100 #x1D1FF musical-symbol)
1302          (#x1D200 #x1D24F ancient-greek-musical-notation)
1303          (#x1D300 #x1D35F tai-xuan-jing-symbol)
1304          (#x1D360 #x1D37F counting-rod-numeral)
1305          (#x1D400 #x1D7FF mathematical)
1306          (#x1EE00 #x1EEFF arabic)
1307          (#x1F000 #x1F02F mahjong-tile)
1308          (#x1F030 #x1F09F domino-tile)
1309          (#x1F0A0 #x1F0FF playing-cards)
1310          (#x1F100 #x1F1FF symbol)
1311          (#x1F200 #x1F2FF han)
1312          (#x1F300 #x1F64F symbol)
1313          (#x1F680 #x1F77F symbol)
1314          (#x20000 #x2B81F han)
1315          (#x2F800 #x2FFFF han)))
1316     (set-char-table-range char-script-table
1317                           (cons (car elt) (nth 1 elt)) (nth 2 elt))
1318     (or (memq (nth 2 elt) script-list)
1319         (setq script-list (cons (nth 2 elt) script-list))))
1320   (set-char-table-extra-slot char-script-table 0 (nreverse script-list)))
1321
1322 (map-charset-chars
1323  #'(lambda (range ignore)
1324      (set-char-table-range char-script-table range 'tibetan))
1325  'tibetan)
1326
1327 \f
1328 ;;; Setting unicode-category-table.
1329
1330 (setq unicode-category-table
1331       (unicode-property-table-internal 'general-category))
1332 (map-char-table #'(lambda (key val)
1333                     (if (and val
1334                              (or (and (/= (aref (symbol-name val) 0) ?M)
1335                                       (/= (aref (symbol-name val) 0) ?C))
1336                                  (eq val 'Zs)))
1337                         (modify-category-entry key ?.)))
1338                 unicode-category-table)
1339
1340 (optimize-char-table (standard-category-table))
1341
1342 \f
1343 ;; Display of glyphless characters.
1344
1345 (defvar char-acronym-table
1346   (make-char-table 'char-acronym-table nil)
1347   "Char table of acronyms for non-graphic characters.")
1348
1349 (let ((c0-acronyms '("NUL" "SOH" "STX" "ETX" "EOT" "ENQ" "ACK" "BEL"
1350                      "BS"   nil   nil  "VT"  "FF"  "CR"  "SO"  "SI"
1351                      "DLE" "DC1" "DC2" "DC3" "DC4" "NAK" "SYN" "ETB"
1352                      "CAN" "EM"  "SUB" "ESC" "FC"  "GS"  "RS"  "US")))
1353   (dotimes (i 32)
1354     (aset char-acronym-table i (car c0-acronyms))
1355     (setq c0-acronyms (cdr c0-acronyms))))
1356
1357 (let ((c1-acronyms '("XXX" "XXX" "BPH" "NBH" "IND" "NEL" "SSA" "ESA"
1358                      "HTS" "HTJ" "VTS" "PLD" "PLU" "R1"  "SS2" "SS1"
1359                      "DCS" "PU1" "PU2" "STS" "CCH" "MW"  "SPA" "EPA"
1360                      "SOS" "XXX" "SC1" "CSI" "ST"  "OSC" "PM"  "APC")))
1361   (dotimes (i 32)
1362     (aset char-acronym-table (+ #x0080 i) (car c1-acronyms))
1363     (setq c1-acronyms (cdr c1-acronyms))))
1364
1365 (aset char-acronym-table #x17B4 "KIVAQ")   ; KHMER VOWEL INHERENT AQ
1366 (aset char-acronym-table #x17B5 "KIVAA")   ; KHMER VOWEL INHERENT AA
1367 (aset char-acronym-table #x200B "ZWSP")    ; ZERO WIDTH SPACE
1368 (aset char-acronym-table #x200C "ZWNJ")    ; ZERO WIDTH NON-JOINER
1369 (aset char-acronym-table #x200D "ZWJ")     ; ZERO WIDTH JOINER
1370 (aset char-acronym-table #x200E "LRM")     ; LEFT-TO-RIGHT MARK
1371 (aset char-acronym-table #x200F "RLM")     ; RIGHT-TO-LEFT MARK
1372 (aset char-acronym-table #x202A "LRE")     ; LEFT-TO-RIGHT EMBEDDING
1373 (aset char-acronym-table #x202B "RLE")     ; RIGHT-TO-LEFT EMBEDDING
1374 (aset char-acronym-table #x202C "PDF")     ; POP DIRECTIONAL FORMATTING
1375 (aset char-acronym-table #x202D "LRO")     ; LEFT-TO-RIGHT OVERRIDE
1376 (aset char-acronym-table #x202E "RLO")     ; RIGHT-TO-LEFT OVERRIDE
1377 (aset char-acronym-table #x2060 "WJ")      ; WORD JOINER
1378 (aset char-acronym-table #x206A "ISS")     ; INHIBIT SYMMETRIC SWAPPING
1379 (aset char-acronym-table #x206B "ASS")     ; ACTIVATE SYMMETRIC SWAPPING
1380 (aset char-acronym-table #x206C "IAFS")    ; INHIBIT ARABIC FORM SHAPING
1381 (aset char-acronym-table #x206D "AAFS")    ; ACTIVATE ARABIC FORM SHAPING
1382 (aset char-acronym-table #x206E "NADS")    ; NATIONAL DIGIT SHAPES
1383 (aset char-acronym-table #x206F "NODS")    ; NOMINAL DIGIT SHAPES
1384 (aset char-acronym-table #xFEFF "ZWNBSP")  ; ZERO WIDTH NO-BREAK SPACE
1385 (aset char-acronym-table #xFFF9 "IAA")     ; INTERLINEAR ANNOTATION ANCHOR
1386 (aset char-acronym-table #xFFFA "IAS")     ; INTERLINEAR ANNOTATION SEPARATOR
1387 (aset char-acronym-table #xFFFB "IAT")     ; INTERLINEAR ANNOTATION TERMINATOR
1388 (aset char-acronym-table #x1D173 "BEGBM")  ; MUSICAL SYMBOL BEGIN BEAM
1389 (aset char-acronym-table #x1D174 "ENDBM")  ; MUSICAL SYMBOL END BEAM
1390 (aset char-acronym-table #x1D175 "BEGTIE") ; MUSICAL SYMBOL BEGIN TIE
1391 (aset char-acronym-table #x1D176 "END")    ; MUSICAL SYMBOL END TIE
1392 (aset char-acronym-table #x1D177 "BEGSLR") ; MUSICAL SYMBOL BEGIN SLUR
1393 (aset char-acronym-table #x1D178 "ENDSLR") ; MUSICAL SYMBOL END SLUR
1394 (aset char-acronym-table #x1D179 "BEGPHR") ; MUSICAL SYMBOL BEGIN PHRASE
1395 (aset char-acronym-table #x1D17A "ENDPHR") ; MUSICAL SYMBOL END PHRASE
1396 (aset char-acronym-table #xE0001 "|->TAG") ; LANGUAGE TAG
1397 (aset char-acronym-table #xE0020 "SP TAG") ; TAG SPACE
1398 (dotimes (i 94)
1399   (aset char-acronym-table (+ #xE0021 i) (format " %c TAG" (+ 33 i))))
1400 (aset char-acronym-table #xE007F "->|TAG") ; CANCEL TAG
1401
1402 (defun update-glyphless-char-display (&optional variable value)
1403   "Make the setting of `glyphless-char-display-control' take effect.
1404 This function updates the char-table `glyphless-char-display'."
1405   (when value
1406     (set-default variable value))
1407   (dolist (elt value)
1408     (let ((target (car elt))
1409           (method (cdr elt)))
1410       (or (memq method '(zero-width thin-space empty-box acronym hex-code))
1411           (error "Invalid glyphless character display method: %s" method))
1412       (cond ((eq target 'c0-control)
1413              (set-char-table-range glyphless-char-display '(#x00 . #x1F)
1414                                    method)
1415              ;; Users will not expect their newlines and TABs be
1416              ;; displayed as anything but themselves, so exempt those
1417              ;; two characters from c0-control.
1418              (set-char-table-range glyphless-char-display #x9 nil)
1419              (set-char-table-range glyphless-char-display #xa nil))
1420             ((eq target 'c1-control)
1421              (set-char-table-range glyphless-char-display '(#x80 . #x9F)
1422                                    method))
1423             ((eq target 'format-control)
1424              (map-char-table
1425               #'(lambda (char category)
1426                   (if (eq category 'Cf)
1427                       (let ((this-method method)
1428                             from to)
1429                         (if (consp char)
1430                             (setq from (car char) to (cdr char))
1431                           (setq from char to char))
1432                         (while (<= from to)
1433                           (when (/= from #xAD)
1434                             (if (eq method 'acronym)
1435                                 (setq this-method
1436                                       (aref char-acronym-table from)))
1437                             (set-char-table-range glyphless-char-display
1438                                                   from this-method))
1439                           (setq from (1+ from))))))
1440               unicode-category-table))
1441             ((eq target 'no-font)
1442              (set-char-table-extra-slot glyphless-char-display 0 method))
1443             (t
1444              (error "Invalid glyphless character group: %s" target))))))
1445
1446 ;;; Control of displaying glyphless characters.
1447 (defcustom glyphless-char-display-control
1448   '((format-control . thin-space)
1449     (no-font . hex-code))
1450   "List of directives to control display of glyphless characters.
1451
1452 Each element has the form (GROUP . METHOD), where GROUP is a
1453 symbol specifying the character group, and METHOD is a symbol
1454 specifying the method of displaying characters belonging to that
1455 group.
1456
1457 GROUP must be one of these symbols:
1458   `c0-control':     U+0000..U+001F, but excluding newline and TAB.
1459   `c1-control':     U+0080..U+009F.
1460   `format-control': Characters of Unicode General Category `Cf',
1461                     such as U+200C (ZWNJ), U+200E (LRM), but
1462                     excluding characters that have graphic images,
1463                     such as U+00AD (SHY).
1464   `no-font':        characters for which no suitable font is found.
1465                     For character terminals, characters that cannot
1466                     be encoded by `terminal-coding-system'.
1467
1468 METHOD must be one of these symbols:
1469   `zero-width': don't display.
1470   `thin-space': display a thin (1-pixel width) space.  On character
1471                 terminals, display as 1-character space.
1472   `empty-box':  display an empty box.
1473   `acronym':    display an acronym of the character in a box.  The
1474                 acronym is taken from `char-acronym-table', which see.
1475   `hex-code':   display the hexadecimal character code in a box."
1476   :version "24.1"
1477   :type '(alist :key-type (symbol :tag "Character Group")
1478                 :value-type (symbol :tag "Display Method"))
1479   :options '((c0-control
1480               (choice (const :tag "Don't display" zero-width)
1481                       (const :tag "Display as thin space" thin-space)
1482                       (const :tag "Display as empty box" empty-box)
1483                       (const :tag "Display acronym" acronym)
1484                       (const :tag "Display hex code in a box" hex-code)))
1485              (c1-control
1486               (choice (const :tag "Don't display" zero-width)
1487                       (const :tag "Display as thin space" thin-space)
1488                       (const :tag "Display as empty box" empty-box)
1489                       (const :tag "Display acronym" acronym)
1490                       (const :tag "Display hex code in a box" hex-code)))
1491              (format-control
1492               (choice (const :tag "Don't display" zero-width)
1493                       (const :tag "Display as thin space" thin-space)
1494                       (const :tag "Display as empty box" empty-box)
1495                       (const :tag "Display acronym" acronym)
1496                       (const :tag "Display hex code in a box" hex-code)))
1497              (no-font
1498               (choice (const :tag "Don't display" zero-width)
1499                       (const :tag "Display as thin space" thin-space)
1500                       (const :tag "Display as empty box" empty-box)
1501                       (const :tag "Display acronym" acronym)
1502                       (const :tag "Display hex code in a box" hex-code))))
1503   :set 'update-glyphless-char-display
1504   :group 'display)
1505
1506 \f
1507 ;;; Setting word boundary.
1508
1509 (setq word-combining-categories
1510       '((nil . ?^)
1511         (?^ . nil)
1512         (?C . ?H)
1513         (?C . ?K)))
1514
1515 (setq word-separating-categories        ;  (2-byte character sets)
1516       '((?H . ?K)                       ; Hiragana - Katakana
1517         ))
1518
1519 ;; Local Variables:
1520 ;; coding: utf-8
1521 ;; End:
1522
1523 ;;; characters.el ends here