1 # Copyright (c) 2002-2013 International Business Machines Corporation and 2 # others. All Rights Reserved. 3 # 4 # file: line.txt 5 # 6 # Line Breaking Rules 7 # Implement default line breaking as defined by 8 # Unicode Standard Annex #14 Revision 29 for Unicode 6.2 9 # http://www.unicode.org/reports/tr14/ 10 # 11 # TODO: Rule LB 8 remains as it was in Unicode 5.2 12 # This is only because of a limitation of ICU break engine implementation, 13 # not because the older behavior is desirable. 14 15 # 16 # Character Classes defined by TR 14. 17 # 18 19 !!chain; 20 !!LBCMNoChain; 21 22 23 !!lookAheadHardBreak; 24 # 25 # !!lookAheadHardBreak Described here because it is (as yet) undocumented elsewhere 26 # and only used for the line break rules. 27 # 28 # It is used in the implementation of rule LB 10 29 # which says to treat any combining mark that is not attached to a base 30 # character as if it were of class AL (alphabetic). 31 # 32 # The problem occurs in the reverse rules. 33 # 34 # Consider a sequence like, with correct breaks as shown 35 # LF ID CM AL AL 36 # ^ ^ ^ 37 # Then consider the sequence without the initial ID (ideographic) 38 # LF CM AL AL 39 # ^ ^ 40 # Our CM, which in the first example was attached to the ideograph, 41 # is now unattached, becomes an alpha, and joins in with the other 42 # alphas. 43 # 44 # When iterating forwards, these sequences do not present any problems 45 # When iterating backwards, we need to look ahead when encountering 46 # a CM to see whether it attaches to something further on or not. 47 # (Look-ahead in a reverse rule is looking towards the start) 48 # 49 # If the CM is unattached, we need to force a break. 50 # 51 # !!lookAheadHardBreak forces the run time state machine to 52 # stop immediately when a look ahead rule ( '/' operator) matches, 53 # and set the match position to that of the look-ahead operator, 54 # no matter what other rules may be in play at the time. 55 # 56 # See rule LB 19 for an example. 57 # 58 59 $AI = [:LineBreak = Ambiguous:]; 60 $AL = [:LineBreak = Alphabetic:]; 61 $BA = [:LineBreak = Break_After:]; 62 $BB = [:LineBreak = Break_Before:]; 63 $BK = [:LineBreak = Mandatory_Break:]; 64 $B2 = [:LineBreak = Break_Both:]; 65 $CB = [:LineBreak = Contingent_Break:]; 66 $CJ = [:LineBreak = Conditional_Japanese_Starter:]; 67 $CL = [:LineBreak = Close_Punctuation:]; 68 $CM = [:LineBreak = Combining_Mark:]; 69 $CP = [:LineBreak = Close_Parenthesis:]; 70 $CR = [:LineBreak = Carriage_Return:]; 71 $EX = [:LineBreak = Exclamation:]; 72 $GL = [:LineBreak = Glue:]; 73 $HL = [:LineBreak = Hebrew_Letter:]; 74 $HY = [:LineBreak = Hyphen:]; 75 $H2 = [:LineBreak = H2:]; 76 $H3 = [:LineBreak = H3:]; 77 $ID = [:LineBreak = Ideographic:]; 78 $IN = [:LineBreak = Inseperable:]; 79 $IS = [:LineBreak = Infix_Numeric:]; 80 $JL = [:LineBreak = JL:]; 81 $JV = [:LineBreak = JV:]; 82 $JT = [:LineBreak = JT:]; 83 $LF = [:LineBreak = Line_Feed:]; 84 $NL = [:LineBreak = Next_Line:]; 85 $NS = [[:LineBreak = Nonstarter:] $CJ]; 86 $NU = [:LineBreak = Numeric:]; 87 $OP = [:LineBreak = Open_Punctuation:]; 88 $PO = [:LineBreak = Postfix_Numeric:]; 89 $PR = [:LineBreak = Prefix_Numeric:]; 90 $QU = [:LineBreak = Quotation:]; 91 $RI = [:LineBreak = Regional_Indicator:]; 92 $SA = [:LineBreak = Complex_Context:]; 93 $SG = [:LineBreak = Surrogate:]; 94 $SP = [:LineBreak = Space:]; 95 $SY = [:LineBreak = Break_Symbols:]; 96 $WJ = [:LineBreak = Word_Joiner:]; 97 $XX = [:LineBreak = Unknown:]; 98 $ZW = [:LineBreak = ZWSpace:]; 99 100 # Dictionary character set, for triggering language-based break engines. Currently 101 # limited to LineBreak=Complex_Context. Note that this set only works in Unicode 102 # 5.0 or later as the definition of Complex_Context was corrected to include all 103 # characters requiring dictionary break. 104 105 $dictionary = [:LineBreak = Complex_Context:]; 106 107 # 108 # Rule LB1. By default, treat AI (characters with ambiguous east Asian width), 109 # SA (South East Asian: Thai, Lao, Khmer) 110 # SG (Unpaired Surrogates) 111 # XX (Unknown, unassigned) 112 # as $AL (Alphabetic) 113 # 114 $ALPlus = [$AL $AI $SA $SG $XX]; 115 116 # 117 # Combining Marks. X $CM* behaves as if it were X. Rule LB6. 118 # 119 $ALcm = $ALPlus $CM*; 120 $BAcm = $BA $CM*; 121 $BBcm = $BB $CM*; 122 $B2cm = $B2 $CM*; 123 $CLcm = $CL $CM*; 124 $CPcm = $CP $CM*; 125 $EXcm = $EX $CM*; 126 $GLcm = $GL $CM*; 127 $HLcm = $HL $CM*; 128 $HYcm = $HY $CM*; 129 $H2cm = $H2 $CM*; 130 $H3cm = $H3 $CM*; 131 $IDcm = $ID $CM*; 132 $INcm = $IN $CM*; 133 $IScm = $IS $CM*; 134 $JLcm = $JL $CM*; 135 $JVcm = $JV $CM*; 136 $JTcm = $JT $CM*; 137 $NScm = $NS $CM*; 138 $NUcm = $NU $CM*; 139 $OPcm = $OP $CM*; 140 $POcm = $PO $CM*; 141 $PRcm = $PR $CM*; 142 $QUcm = $QU $CM*; 143 $RIcm = $RI $CM*; 144 $SYcm = $SY $CM*; 145 $WJcm = $WJ $CM*; 146 147 ## ------------------------------------------------- 148 149 !!forward; 150 151 # 152 # Each class of character can stand by itself as an unbroken token, with trailing combining stuff 153 # 154 $ALPlus $CM+; 155 $BA $CM+; 156 $BB $CM+; 157 $B2 $CM+; 158 $CL $CM+; 159 $CP $CM+; 160 $EX $CM+; 161 $GL $CM+; 162 $HL $CM+; 163 $HY $CM+; 164 $H2 $CM+; 165 $H3 $CM+; 166 $ID $CM+; 167 $IN $CM+; 168 $IS $CM+; 169 $JL $CM+; 170 $JV $CM+; 171 $JT $CM+; 172 $NS $CM+; 173 $NU $CM+; 174 $OP $CM+; 175 $PO $CM+; 176 $PR $CM+; 177 $QU $CM+; 178 $RI $CM+; 179 $SY $CM+; 180 $WJ $CM+; 181 182 # 183 # CAN_CM is the set of characters that may combine with CM combining chars. 184 # Note that Linebreak UAX 14's concept of a combining char and the rules 185 # for what they can combine with are _very_ different from the rest of Unicode. 186 # 187 # Note that $CM itself is left out of this set. If CM is needed as a base 188 # it must be listed separately in the rule. 189 # 190 $CAN_CM = [^$SP $BK $CR $LF $NL $ZW $CM]; # Bases that can take CMs 191 $CANT_CM = [ $SP $BK $CR $LF $NL $ZW $CM]; # Bases that can't take CMs 192 193 # 194 # AL_FOLLOW set of chars that can unconditionally follow an AL 195 # Needed in rules where stand-alone $CM s are treated as AL. 196 # Chaining is disabled with CM because it causes other failures, 197 # so for this one case we need to manually list out longer sequences. 198 # 199 $AL_FOLLOW_NOCM = [$BK $CR $LF $NL $ZW $SP]; 200 $AL_FOLLOW_CM = [$CL $CP $EX $HL $IS $SY $WJ $GL $OP $QU $BA $HY $NS $IN $NU $ALPlus]; 201 $AL_FOLLOW = [$AL_FOLLOW_NOCM $AL_FOLLOW_CM]; 202 203 204 # 205 # Rule LB 4, 5 Mandatory (Hard) breaks. 206 # 207 $LB4Breaks = [$BK $CR $LF $NL]; 208 $LB4NonBreaks = [^$BK $CR $LF $NL]; 209 $CR $LF {100}; 210 211 # 212 # LB 6 Do not break before hard line breaks. 213 # 214 $LB4NonBreaks? $LB4Breaks {100}; # LB 5 do not break before hard breaks. 215 $CAN_CM $CM* $LB4Breaks {100}; 216 $CM+ $LB4Breaks {100}; 217 218 # LB 7 x SP 219 # x ZW 220 $LB4NonBreaks [$SP $ZW]; 221 $CAN_CM $CM* [$SP $ZW]; 222 $CM+ [$SP $ZW]; 223 224 # 225 # LB 8 Break after zero width space 226 # TODO: ZW SP* <break> 227 # An engine change is required to write the reverse rule for this. 228 # For now, leave the Unicode 5.2 rule, ZW <break> 229 # 230 $LB8Breaks = [$LB4Breaks $ZW]; 231 $LB8NonBreaks = [[$LB4NonBreaks] - [$ZW]]; 232 233 234 # LB 9 Combining marks. X $CM needs to behave like X, where X is not $SP, $BK $CR $LF $NL 235 # $CM not covered by the above needs to behave like $AL 236 # See definition of $CAN_CM. 237 238 $CAN_CM $CM+; # Stick together any combining sequences that don't match other rules. 239 $CM+; 240 241 # 242 # LB 11 Do not break before or after WORD JOINER & related characters. 243 # 244 $CAN_CM $CM* $WJcm; 245 $LB8NonBreaks $WJcm; 246 $CM+ $WJcm; 247 248 $WJcm $CANT_CM; 249 $WJcm $CAN_CM $CM*; 250 251 # 252 # LB 12 Do not break after NBSP and related characters. 253 # GL x 254 # 255 $GLcm $CAN_CM $CM*; 256 $GLcm $CANT_CM; 257 258 # 259 # LB 12a Do not break before NBSP and related characters ... 260 # [^SP BA HY] x GL 261 # 262 [[$LB8NonBreaks] - [$SP $BA $HY]] $CM* $GLcm; 263 $CM+ GLcm; 264 265 266 267 # 268 # LB 13 Don't break before ']' or '!' or ';' or '/', even after spaces. 269 # 270 $LB8NonBreaks $CL; 271 $CAN_CM $CM* $CL; 272 $CM+ $CL; # by rule 10, stand-alone CM behaves as AL 273 274 $LB8NonBreaks $CP; 275 $CAN_CM $CM* $CP; 276 $CM+ $CP; # by rule 10, stand-alone CM behaves as AL 277 278 $LB8NonBreaks $EX; 279 $CAN_CM $CM* $EX; 280 $CM+ $EX; # by rule 10, stand-alone CM behaves as AL 281 282 $LB8NonBreaks $IS; 283 $CAN_CM $CM* $IS; 284 $CM+ $IS; # by rule 10, stand-alone CM behaves as AL 285 286 $LB8NonBreaks $SY; 287 $CAN_CM $CM* $SY; 288 $CM+ $SY; # by rule 10, stand-alone CM behaves as AL 289 290 291 # 292 # LB 14 Do not break after OP, even after spaces 293 # 294 $OPcm $SP* $CAN_CM $CM*; 295 $OPcm $SP* $CANT_CM; 296 297 $OPcm $SP+ $CM+ $AL_FOLLOW?; # by rule 10, stand-alone CM behaves as AL 298 299 # LB 15 300 $QUcm $SP* $OPcm; 301 302 # LB 16 303 ($CLcm | $CPcm) $SP* $NScm; 304 305 # LB 17 306 $B2cm $SP* $B2cm; 307 308 # 309 # LB 18 Break after spaces. 310 # 311 $LB18NonBreaks = [$LB8NonBreaks - [$SP]]; 312 $LB18Breaks = [$LB8Breaks $SP]; 313 314 315 # LB 19 316 # x QU 317 $LB18NonBreaks $CM* $QUcm; 318 $CM+ $QUcm; 319 320 # QU x 321 $QUcm .?; 322 $QUcm $LB18NonBreaks $CM*; # Don't let a combining mark go onto $CR, $BK, etc. 323 # TODO: I don't think this rule is needed. 324 325 326 # LB 20 327 # <break> $CB 328 # $CB <break> 329 330 $LB20NonBreaks = [$LB18NonBreaks - $CB]; 331 332 # LB 21 x (BA | HY | NS) 333 # BB x 334 # 335 $LB20NonBreaks $CM* ($BAcm | $HYcm | $NScm); 336 337 $BBcm [^$CB]; # $BB x 338 $BBcm $LB20NonBreaks $CM*; 339 340 # LB 21a Don't break after Hebrew + Hyphen 341 # HL (HY | BA) x 342 # 343 $HLcm ($HYcm | $BAcm) [^$CB]?; 344 345 # LB 21b (forward) Don't break between SY and HL 346 # (break between HL and SY already disallowed by LB 13 above) 347 $SYcm $HLcm; 348 349 # LB 22 350 ($ALcm | $HLcm) $INcm; 351 $CM+ $INcm; # by rule 10, any otherwise unattached CM behaves as AL 352 $IDcm $INcm; 353 $INcm $INcm; 354 $NUcm $INcm; 355 356 357 # $LB 23 358 $IDcm $POcm; 359 $ALcm $NUcm; # includes $LB19 360 $HLcm $NUcm; 361 $CM+ $NUcm; # Rule 10, any otherwise unattached CM behaves as AL 362 $NUcm $ALcm; 363 $NUcm $HLcm; 364 365 # 366 # LB 24 367 # 368 $PRcm $IDcm; 369 $PRcm ($ALcm | $HLcm); 370 $POcm ($ALcm | $HLcm); 371 372 # 373 # LB 25 Numbers. 374 # 375 ($PRcm | $POcm)? ($OPcm | $HYcm)? $NUcm ($NUcm | $SYcm | $IScm)* ($CLcm | $CPcm)? ($PRcm | $POcm)?; 376 377 # LB 26 Do not break a Korean syllable 378 # 379 $JLcm ($JLcm | $JVcm | $H2cm | $H3cm); 380 ($JVcm | $H2cm) ($JVcm | $JTcm); 381 ($JTcm | $H3cm) $JTcm; 382 383 # LB 27 Treat korean Syllable Block the same as ID (don't break it) 384 ($JLcm | $JVcm | $JTcm | $H2cm | $H3cm) $INcm; 385 ($JLcm | $JVcm | $JTcm | $H2cm | $H3cm) $POcm; 386 $PRcm ($JLcm | $JVcm | $JTcm | $H2cm | $H3cm); 387 388 389 # LB 28 Do not break between alphabetics 390 # 391 ($ALcm | $HLcm) ($ALcm | $HLcm); 392 $CM+ ($ALcm | $HLcm); # The $CM+ is from rule 10, an unattached CM is treated as AL 393 394 # LB 29 395 $IScm ($ALcm | $HLcm); 396 397 # LB 30 398 ($ALcm | $HLcm | $NUcm) $OPcm; 399 $CM+ $OPcm; # The $CM+ is from rule 10, an unattached CM is treated as AL. 400 $CPcm ($ALcm | $HLcm | $NUcm); 401 402 # LB 30a Do not break between regional indicators. 403 $RIcm $RIcm; 404 405 # 406 # Reverse Rules. 407 # 408 ## ------------------------------------------------- 409 410 !!reverse; 411 412 $CM+ $ALPlus; 413 $CM+ $BA; 414 $CM+ $BB; 415 $CM+ $B2; 416 $CM+ $CL; 417 $CM+ $CP; 418 $CM+ $EX; 419 $CM+ $GL; 420 $CM+ $HL; 421 $CM+ $HY; 422 $CM+ $H2; 423 $CM+ $H3; 424 $CM+ $ID; 425 $CM+ $IN; 426 $CM+ $IS; 427 $CM+ $JL; 428 $CM+ $JV; 429 $CM+ $JT; 430 $CM+ $NS; 431 $CM+ $NU; 432 $CM+ $OP; 433 $CM+ $PO; 434 $CM+ $PR; 435 $CM+ $QU; 436 $CM+ $RI; 437 $CM+ $SY; 438 $CM+ $WJ; 439 $CM+; 440 441 442 # 443 # Sequences of the form (shown forwards) 444 # [CANT_CM] <break> [CM] [whatever] 445 # The CM needs to behave as an AL 446 # 447 $AL_FOLLOW $CM+ / ( 448 [$BK $CR $LF $NL $ZW {eof}] | 449 $SP+ $CM+ $SP | 450 $SP+ $CM* ([^$OP $CM $SP] | [$AL {eof}])); # if LB 14 will match, need to surpress this break. 451 # LB14 says OP SP* x . 452 # becomes OP SP* x AL 453 # becomes OP SP* x CM+ AL_FOLLOW 454 # 455 # Further note: the $AL in [$AL {eof}] is only to work around 456 # a rule compiler bug which complains about 457 # empty sets otherwise. 458 459 # 460 # Sequences of the form (shown forwards) 461 # [CANT_CM] <break> [CM] <break> [PR] 462 # The CM needs to behave as an AL 463 # This rule is concerned about getting the second of the two <breaks> in place. 464 # 465 466 [$PR ] / $CM+ [$BK $CR $LF $NL $ZW $SP {eof}]; 467 468 469 470 # LB 4, 5, 5 471 472 $LB4Breaks [$LB4NonBreaks-$CM]; 473 $LB4Breaks $CM+ $CAN_CM; 474 $LF $CR; 475 476 477 # LB 7 x SP 478 # x ZW 479 [$SP $ZW] [$LB4NonBreaks-$CM]; 480 [$SP $ZW] $CM+ $CAN_CM; 481 482 # LB 8 ZW SP* <break> 483 # TODO: to implement this, we need more than one look-ahead hard break in play at a time. 484 # Requires an engine enhancement. 485 # / $SP* $ZW 486 487 # LB 9,10 Combining marks. 488 # X $CM needs to behave like X, where X is not $SP or controls. 489 # $CM not covered by the above needs to behave like $AL 490 # Stick together any combining sequences that don't match other rules. 491 $CM+ $CAN_CM; 492 493 494 # LB 11 495 $CM* $WJ $CM* $CAN_CM; 496 $CM* $WJ [$LB8NonBreaks-$CM]; 497 498 $CANT_CM $CM* $WJ; 499 $CM* $CAN_CM $CM* $WJ; 500 501 # LB 12a 502 # [^SP BA HY] x GL 503 # 504 $CM* $GL $CM* [$LB8NonBreaks-[$CM $SP $BA $HY]]; 505 506 # LB 12 507 # GL x 508 # 509 $CANT_CM $CM* $GL; 510 $CM* $CAN_CM $CM* $GL; 511 512 513 # LB 13 514 $CL $CM+ $CAN_CM; 515 $CP $CM+ $CAN_CM; 516 $EX $CM+ $CAN_CM; 517 $IS $CM+ $CAN_CM; 518 $SY $CM+ $CAN_CM; 519 520 $CL [$LB8NonBreaks-$CM]; 521 $CP [$LB8NonBreaks-$CM]; 522 $EX [$LB8NonBreaks-$CM]; 523 $IS [$LB8NonBreaks-$CM]; 524 $SY [$LB8NonBreaks-$CM]; 525 526 # Rule 13 & 14 taken together for an edge case. 527 # Match this, shown forward 528 # OP SP+ ($CM+ behaving as $AL) (CL | CP | EX | IS | IY) 529 # This really wants to chain at the $CM+ (which is acting as an $AL) 530 # except for $CM chaining being disabled. 531 [$CL $CP $EX $IS $SY] $CM+ $SP+ $CM* $OP; 532 533 # LB 14 OP SP* x 534 # 535 $CM* $CAN_CM $SP* $CM* $OP; 536 $CANT_CM $SP* $CM* $OP; 537 $AL_FOLLOW? $CM+ $SP $SP* $CM* $OP; # by LB 10, behaves like $AL_FOLLOW? $AL $SP* $CM* $OP 538 539 $AL_FOLLOW_NOCM $CM+ $SP+ $CM* $OP; 540 $CM* $AL_FOLLOW_CM $CM+ $SP+ $CM* $OP; 541 $SY $CM $SP+ $OP; # TODO: Experiment. Remove. 542 543 544 545 # LB 15 546 $CM* $OP $SP* $CM* $QU; 547 548 # LB 16 549 $CM* $NS $SP* $CM* ($CL | $CP); 550 551 # LB 17 552 $CM* $B2 $SP* $CM* $B2; 553 554 # LB 18 break after spaces 555 # Nothing explicit needed here. 556 557 558 # 559 # LB 19 560 # 561 $CM* $QU $CM* $CAN_CM; # . x QU 562 $CM* $QU $LB18NonBreaks; 563 564 565 $CM* $CAN_CM $CM* $QU; # QU x . 566 $CANT_CM $CM* $QU; 567 568 # 569 # LB 20 Break before and after CB. 570 # nothing needed here. 571 # 572 573 # LB 21 574 $CM* ($BA | $HY | $NS) $CM* [$LB20NonBreaks-$CM]; # . x (BA | HY | NS) 575 576 $CM* [$LB20NonBreaks-$CM] $CM* $BB; # BB x . 577 [^$CB] $CM* $BB; # 578 579 # LB21a 580 [^$CB] $CM* ($HY | $BA) $CM* $HL; 581 582 # LB21b (reverse) 583 $CM* $HL $CM* $SY; 584 585 # LB 22 586 $CM* $IN $CM* ($ALPlus | $HL); 587 $CM* $IN $CM* $ID; 588 $CM* $IN $CM* $IN; 589 $CM* $IN $CM* $NU; 590 591 # LB 23 592 $CM* $PO $CM* $ID; 593 $CM* $NU $CM* ($ALPlus | $HL); 594 $CM* ($ALPlus | $HL) $CM* $NU; 595 596 # LB 24 597 $CM* $ID $CM* $PR; 598 $CM* ($ALPlus | $HL) $CM* $PR; 599 $CM* ($ALPlus | $HL) $CM* $PO; 600 601 602 # LB 25 603 ($CM* ($PR | $PO))? ($CM* ($CL | $CP))? ($CM* ($NU | $IS | $SY))* $CM* $NU ($CM* ($OP | $HY))? ($CM* ($PR | $PO))?; 604 605 # LB 26 606 $CM* ($H3 | $H2 | $JV | $JL) $CM* $JL; 607 $CM* ($JT | $JV) $CM* ($H2 | $JV); 608 $CM* $JT $CM* ($H3 | $JT); 609 610 # LB 27 611 $CM* $IN $CM* ($H3 | $H2 | $JT | $JV | $JL); 612 $CM* $PO $CM* ($H3 | $H2 | $JT | $JV | $JL); 613 $CM* ($H3 | $H2 | $JT | $JV | $JL) $CM* $PR; 614 615 # LB 28 616 $CM* ($ALPlus | $HL) $CM* ($ALPlus | $HL); 617 618 619 # LB 29 620 $CM* ($ALPlus | $HL) $CM* $IS; 621 622 # LB 30 623 $CM* $OP $CM* ($ALPlus | $HL | $NU); 624 $CM* ($ALPlus | $HL | $NU) $CM* $CP; 625 626 # LB 30a 627 $CM* $RI $CM* $RI; 628 629 ## ------------------------------------------------- 630 631 !!safe_reverse; 632 633 # LB 9 634 $CM+ [^$CM $BK $CR $LF $NL $ZW $SP]; 635 $CM+ $SP / .; 636 637 # LB 14 638 $SP+ $CM* $OP; 639 640 # LB 15 641 $SP+ $CM* $QU; 642 643 # LB 16 644 $SP+ $CM* ($CL | $CP); 645 646 # LB 17 647 $SP+ $CM* $B2; 648 649 # LB 21 650 $CM* ($HY | $BA) $CM* $HL; 651 652 # LB 25 653 ($CM* ($IS | $SY))+ $CM* $NU; 654 ($CL | $CP) $CM* ($NU | $IS | $SY); 655 656 # For dictionary-based break 657 $dictionary $dictionary; 658 659 ## ------------------------------------------------- 660 661 !!safe_forward; 662 663 # Skip forward over all character classes that are involved in 664 # rules containing patterns with possibly more than one char 665 # of context. 666 # 667 # It might be slightly more efficient to have specific rules 668 # instead of one generic one, but only if we could 669 # turn off rule chaining. We don't want to move more 670 # than necessary. 671 # 672 [$CM $OP $QU $CL $CP $B2 $PR $HY $BA $SP $dictionary]+ [^$CM $OP $QU $CL $CP $B2 $PR $HY $BA $dictionary]; 673 $dictionary $dictionary; 674 675
