reactos/lib/libxml2/test/valid/dtds/spec.dtd

   1 <!-- ............................................................... -->
   2 <!-- XML specification DTD ......................................... -->
   3 <!-- ............................................................... -->
   4
   5 <!--
   6 TYPICAL INVOCATION:
   7 #  <!DOCTYPE spec PUBLIC
   8 #       "-//W3C//DTD Specification::19980323//EN"
   9 #       "http://www.w3.org/XML/Group/DTD/xmlspec.dtd">
  10
  11 PURPOSE:
  12   This DTD was developed for use with the XML family of W3C
  13   specifications.  It is an XML-compliant DTD based in part on
  14   the TEI Lite and Sweb DTDs.
  15
  16 DEPENDENCIES:
  17   None.
  18
  19 CHANGE HISTORY:
  20   The list of changes is at the end of the DTD.
  21
  22   For all details, see the design report at:
  23
  24     <http://www.w3.org/XML/Group/DTD/xmlspec-report.htm>
  25
  26   The "typical invocation" FPI always gets updated to reflect the
  27   date of the most recent changes.
  28
  29   Search this file for "#" in the first column to see change history
  30   comments.
  31
  32 MAINTAINER:
  33   Eve Maler
  34   ArborText Inc.
  35   elm@arbortext.com
  36   voice: +1 781 270 5750
  37   fax:   +1 781 273 3760
  38 -->
  39
  40 <!-- ............................................................... -->
  41 <!-- Entities for characters and symbols ........................... -->
  42
  43 <!--
  44 #1998-03-10: maler: Added &ldquo; and &rdquo;.
  45 #                   Used 8879:1986-compatible decimal character
  46 #                   references.
  47 #                   Merged charent.mod file back into main file.
  48 -->
  49
  50 <!ENTITY lt     "&#38;#60;">
  51 <!ENTITY gt     "&#62;">
  52 <!ENTITY amp    "&#38;#38;">
  53 <!ENTITY apos   "&#39;">
  54 <!ENTITY quot   "&#34;">
  55 <!ENTITY mdash  "--">
  56 <!ENTITY nbsp   "&#160;">
  57 <!ENTITY ldquo  "#x201C;">
  58 <!ENTITY rdquo  "#x201D;">
  59
  60 <!-- ............................................................... -->
  61 <!-- Entities for classes of standalone elements ................... -->
  62
  63 <!--
  64 #1997-10-16: maler: Added table to %illus.class;.
  65 #1997-11-28: maler: Added htable to %illus.class;.
  66 #1997-12-29: maler: IGNOREd table.
  67 #1998-03-10: maler: Removed SGML Open-specific %illus.class;.
  68 #                   Added "local" entities for customization.
  69 -->
  70
  71 <!ENTITY % local.p.class        "">
  72 <!ENTITY % p.class              "p
  73                                 %local.p.class;">
  74
  75 <!ENTITY % local.statusp.class  "">
  76 <!ENTITY % statusp.class        "statusp
  77                                 %local.statusp.class;">
  78
  79 <!ENTITY % local.list.class     "">
  80 <!ENTITY % list.class           "ulist|olist|slist|glist
  81                                 %local.list.class;">
  82
  83 <!ENTITY % local.speclist.class "">
  84 <!ENTITY % speclist.class       "orglist|blist
  85                                 %local.speclist.class;">
  86
  87 <!ENTITY % local.note.class     "">
  88 <!ENTITY % note.class           "note|wfcnote|vcnote
  89                                 %local.note.class;">
  90
  91 <!ENTITY % local.illus.class    "">
  92 <!ENTITY % illus.class          "eg|graphic|scrap|htable
  93                                 %local.illus.class;">
  94
  95 <!-- ............................................................... -->
  96 <!-- Entities for classes of phrase-level elements ................. -->
  97
  98 <!--
  99 #1997-12-29: maler: Added xspecref to %ref.class;.
 100 #1998-03-10: maler: Added %ednote.class;.
 101 #                   Added "local" entities for customization.
 102 -->
 103
 104 <!ENTITY % local.annot.class    "">
 105 <!ENTITY % annot.class          "footnote
 106                                 %local.annot.class;">
 107
 108 <!ENTITY % local.termdef.class    "">
 109 <!ENTITY % termdef.class        "termdef|term
 110                                 %local.termdef.class;">
 111
 112 <!ENTITY % local.emph.class    "">
 113 <!ENTITY % emph.class           "emph|quote
 114                                 %local.emph.class;">
 115
 116 <!ENTITY % local.ref.class    "">
 117 <!ENTITY % ref.class            "bibref|specref|termref|titleref
 118                                 |xspecref|xtermref
 119                                 %local.ref.class;">
 120
 121 <!ENTITY % local.loc.class    "">
 122 <!ENTITY % loc.class            "loc
 123                                 %local.loc.class;">
 124
 125 <!ENTITY % local.tech.class    "">
 126 <!ENTITY % tech.class           "kw|nt|xnt|code
 127                                 %local.tech.class;">
 128
 129 <!ENTITY % local.ednote.class    "">
 130 <!ENTITY % ednote.class         "ednote
 131                                 %local.ednote.class;">
 132
 133 <!-- ............................................................... -->
 134 <!-- Entities for mixtures of standalone elements .................. -->
 135
 136 <!--
 137 #1997-09-30: maler: Created %p.mix; to eliminate p from self.
 138 #1997-09-30: maler: Added %speclist.class; to %obj.mix; and %p.mix;.
 139 #1997-09-30: maler: Added %note.class; to %obj.mix; and %p.mix;.
 140 #1997-10-16: maler: Created %entry.mix;.  Note that some elements
 141 #                   left out here are still allowed in termdef,
 142 #                   which entry can contain through %p.pcd.mix;.
 143 #1997-11-28: maler: Added %p.class; to %statusobj.mix;.
 144 #1998-03-10: maler: Added %ednote.class; to all mixtures, except
 145 #                   %p.mix; and %statusobj.mix;, because paragraphs
 146 #                   and status paragraphs will contain ednote
 147 #                   through %p.pcd.mix;.
 148 #1998-03-123: maler: Added %termdef.mix; (broken out from
 149 #                    %termdef.pcd.mix;).
 150 -->
 151
 152 <!ENTITY % div.mix
 153         "%p.class;|%list.class;|%speclist.class;|%note.class;
 154         |%illus.class;|%ednote.class;">
 155 <!ENTITY % obj.mix
 156         "%p.class;|%list.class;|%speclist.class;|%note.class;
 157         |%illus.class;|%ednote.class;">
 158 <!ENTITY % p.mix
 159         "%list.class;|%speclist.class;|%note.class;|%illus.class;">
 160 <!ENTITY % entry.mix
 161         "%list.class;|note|eg|graphic|%ednote.class;">
 162 <!ENTITY % statusobj.mix
 163         "%p.class;|%statusp.class;|%list.class;">
 164 <!ENTITY % hdr.mix
 165         "%p.class;|%list.class;|%ednote.class;">
 166 <!ENTITY % termdef.mix
 167         "%note.class;|%illus.class;">
 168
 169 <!-- ............................................................... -->
 170 <!-- Entities for mixtures of #PCDATA and phrase-level elements .... -->
 171
 172 <!--    Note that %termdef.pcd.mix contains %note.class;
 173         and %illus.class;, considered standalone elements. -->
 174
 175 <!--
 176 #1997-09-30: maler: Added scrap and %note.class; to %termdef.pcd.mix;.
 177 #1997-11-28: maler: Added %loc.class; to %p.pcd.mix;.
 178 #1998-03-10: maler: Added %ednote.class; to all mixtures.
 179 #1998-03-23: maler: Moved some %termdef.pcd.mix; stuff out to
 180 #                   %termdef.mix;.
 181 -->
 182
 183 <!ENTITY % p.pcd.mix
 184         "#PCDATA|%annot.class;|%termdef.class;|%emph.class;
 185         |%ref.class;|%tech.class;|%loc.class;|%ednote.class;">
 186 <!ENTITY % statusp.pcd.mix
 187         "#PCDATA|%annot.class;|%termdef.class;|%emph.class;
 188         |%ref.class;|%tech.class;|%loc.class;|%ednote.class;">
 189 <!ENTITY % head.pcd.mix
 190         "#PCDATA|%annot.class;|%emph.class;|%tech.class;|%ednote.class;">
 191 <!ENTITY % label.pcd.mix
 192         "#PCDATA|%annot.class;|%termdef.class;|%emph.class;|%tech.class;
 193         |%ednote.class;">
 194 <!ENTITY % eg.pcd.mix
 195         "#PCDATA|%annot.class;|%emph.class;|%ednote.class;">
 196 <!ENTITY % termdef.pcd.mix
 197         "#PCDATA|term|%emph.class;|%ref.class;|%tech.class;
 198         |%ednote.class;">
 199 <!ENTITY % bibl.pcd.mix
 200         "#PCDATA|%emph.class;|%ref.class;|%loc.class;|%ednote.class;">
 201 <!ENTITY % tech.pcd.mix
 202         "#PCDATA|%ednote.class;">
 203 <!ENTITY % loc.pcd.mix
 204         "#PCDATA|%loc.class;|%ednote.class;">
 205
 206 <!-- ............................................................... -->
 207 <!-- Entities for customizable content models ...................... -->
 208
 209 <!--
 210 #1998-03-10: maler: Added customization entities.
 211 -->
 212
 213 <!ENTITY % spec.mdl
 214         "header, front?, body, back?">
 215
 216 <!ENTITY % header.mdl
 217         "title, subtitle?, version, w3c-designation, w3c-doctype,
 218         pubdate, notice*, publoc, latestloc?, prevlocs?, authlist,
 219         abstract, status, pubstmt?, sourcedesc?, langusage,
 220         revisiondesc">
 221
 222 <!ENTITY % pubdate.mdl
 223         "day?, month, year">
 224
 225 <!-- ............................................................... -->
 226 <!-- Entities for common attributes ................................ -->
 227
 228 <!--    key attribute:
 229         Optionally provides a sorting or indexing key, for cases when
 230         the element content is inappropriate for this purpose. -->
 231 <!ENTITY % key.att
 232         'key                    CDATA           #IMPLIED'>
 233
 234 <!--    def attribute:
 235         Points to the element where the relevant definition can be
 236         found, using the IDREF mechanism.  %def.att; is for optional
 237         def attributes, and %def-req.att; is for required def
 238         attributes. -->
 239 <!ENTITY % def.att
 240         'def                    IDREF           #IMPLIED'>
 241 <!ENTITY % def-req.att
 242         'def                    IDREF           #REQUIRED'>
 243
 244 <!--    ref attribute:
 245         Points to the element where more information can be found,
 246         using the IDREF mechanism.  %ref.att; is for optional
 247         ref attributes, and %ref-req.att; is for required ref
 248         attributes. -->
 249 <!ENTITY % ref.att
 250         'ref                    IDREF           #IMPLIED'>
 251 <!ENTITY % ref-req.att
 252         'ref                    IDREF           #REQUIRED'>
 253
 254 <!--
 255 #1998-03-23: maler: Added show and actuate attributes to href.
 256 #                   Added semi-common xml:space attribute.
 257 -->
 258
 259 <!--    HREF and source attributes:
 260         Points to the element where more information or source data
 261         can be found, using the URL (XLL simple link) mechanism.
 262         For some purposes, is associated with additional XLL
 263         attributes. %href.att; is for optional HREF attributes,
 264         and %href-req.att; is for required HREF attributes.
 265         %source-req.att; is for the source attribute, which
 266         is always required. -->
 267 <!ENTITY % href.att
 268         'xml-link               CDATA           #FIXED "simple"
 269         href                    CDATA           #IMPLIED
 270         show                    CDATA           #FIXED "embed"
 271         actuate                 CDATA           #FIXED "auto"'>
 272
 273 <!ENTITY % href-req.att
 274         'xml-link               CDATA           #FIXED "simple"
 275         href                    CDATA           #REQUIRED
 276         show                    CDATA           #FIXED "embed"
 277         actuate                 CDATA           #FIXED "auto"'>
 278
 279 <!ENTITY % source-req.att
 280         'xml-link               CDATA           #FIXED "simple"
 281         xml:attributes          NMTOKENS        #FIXED "href source"
 282         source                  CDATA           #REQUIRED
 283         show                    CDATA           #FIXED "embed"
 284         actuate                 CDATA           #FIXED "auto"'>
 285
 286 <!--    xml:space attribute:
 287         Indicates that the element contains white space
 288         that the formatter or other application should retain,
 289         as appropriate to its function. -->
 290 <!ENTITY % xmlspace.att
 291         'xml:space              (default
 292                                 |preserve)      #FIXED "preserve"'>
 293
 294 <!--    Common attributes:
 295         Every element has an ID attribute (sometimes required,
 296         but usually optional) for links, and a Role attribute
 297         for extending the useful life of the DTD by allowing
 298         authors to make subclasses for any element. %common.att;
 299         is for common attributes where the ID is optional, and
 300         %common-idreq.att; is for common attributes where the
 301         ID is required. -->
 302 <!ENTITY % common.att
 303         'id                     ID              #IMPLIED
 304         role                    NMTOKEN         #IMPLIED'>
 305 <!ENTITY % common-idreq.att
 306         'id                     ID              #REQUIRED
 307         role                    NMTOKEN         #IMPLIED'>
 308
 309 <!-- ............................................................... -->
 310 <!-- Common elements ............................................... -->
 311
 312 <!--    head: Title on divisions, productions, and the like -->
 313 <!ELEMENT head (%head.pcd.mix;)*>
 314 <!ATTLIST head %common.att;>
 315
 316 <!-- ............................................................... -->
 317 <!-- Major specification structure ................................. -->
 318
 319 <!--
 320 #1998-03-10: maler: Made spec content model easily customizable.
 321 -->
 322
 323 <!ELEMENT spec (%spec.mdl;)>
 324 <!ATTLIST spec %common.att;>
 325
 326 <!ELEMENT front (div1+)>
 327 <!ATTLIST front %common.att;>
 328
 329 <!ELEMENT body (div1+)>
 330 <!ATTLIST body %common.att;>
 331
 332 <!--
 333 #1997-09-30: maler: Added inform-div1 to back content.
 334 -->
 335
 336 <!ELEMENT back ((div1+, inform-div1*) | inform-div1+)>
 337 <!ATTLIST back %common.att;>
 338
 339 <!ELEMENT div1 (head, (%div.mix;)*, div2*)>
 340 <!ATTLIST div1 %common.att;>
 341
 342 <!--
 343 #1997-09-30: maler: Added inform-div1 declarations.
 344 -->
 345
 346 <!--    inform-div1: Non-normative division in back matter -->
 347 <!ELEMENT inform-div1 (head, (%div.mix;)*, div2*)>
 348 <!ATTLIST inform-div1 %common.att;>
 349
 350 <!ELEMENT div2 (head, (%div.mix;)*, div3*)>
 351 <!ATTLIST div2 %common.att;>
 352
 353 <!ELEMENT div3 (head, (%div.mix;)*, div4*)>
 354 <!ATTLIST div3 %common.att;>
 355
 356 <!ELEMENT div4 (head, (%div.mix;)*)>
 357 <!ATTLIST div4 %common.att;>
 358
 359 <!-- Specification header .......... -->
 360
 361 <!--
 362 #1998-03-10: maler: Made header content model easily customizable.
 363 -->
 364
 365 <!ELEMENT header (%header.mdl;)>
 366 <!ATTLIST header %common.att;>
 367
 368 <!--    Example of title: "Extensible Cheese Language (XCL)" -->
 369 <!ELEMENT title (#PCDATA)>
 370 <!ATTLIST title %common.att;>
 371
 372 <!--    Example of subtitle: "A Cheesy Specification" -->
 373 <!ELEMENT subtitle (#PCDATA)>
 374 <!ATTLIST subtitle %common.att;>
 375
 376 <!--    Example of version: "Version 666.0" -->
 377 <!ELEMENT version (#PCDATA)>
 378 <!ATTLIST version %common.att;>
 379
 380 <!--    Example of w3c-designation: "WD-xcl-19991231" -->
 381 <!ELEMENT w3c-designation (#PCDATA)>
 382 <!ATTLIST w3c-designation %common.att;>
 383
 384 <!--    Example of w3c-doctype: "World Wide Web Consortium Working
 385         Draft" -->
 386 <!ELEMENT w3c-doctype (#PCDATA)>
 387 <!ATTLIST w3c-doctype %common.att;>
 388
 389 <!--
 390 #1998-03-10: maler: Made pubdate content model easily customizable.
 391 -->
 392
 393 <!ELEMENT pubdate (%pubdate.mdl;)>
 394 <!ATTLIST pubdate %common.att;>
 395
 396 <!ELEMENT day (#PCDATA)>
 397 <!ATTLIST day %common.att;>
 398
 399 <!ELEMENT month (#PCDATA)>
 400 <!ATTLIST month %common.att;>
 401
 402 <!ELEMENT year (#PCDATA)>
 403 <!ATTLIST year %common.att;>
 404
 405 <!--    Example of notice: "This draft is for public comment..." -->
 406 <!ELEMENT notice (%hdr.mix;)+>
 407 <!ATTLIST notice %common.att;>
 408
 409 <!ELEMENT publoc (loc+)>
 410 <!ATTLIST publoc %common.att;>
 411
 412 <!ELEMENT prevlocs (loc+)>
 413 <!ATTLIST prevlocs %common.att;>
 414
 415 <!ELEMENT latestloc (loc+)>
 416 <!ATTLIST latestloc %common.att;>
 417
 418 <!--      loc (defined in "Phrase-level elements" below) -->
 419
 420 <!ELEMENT authlist (author+)>
 421 <!ATTLIST authlist %common.att;>
 422
 423 <!--
 424 #1997-09-30: maler: Made affiliation optional.
 425 #1998-03-10: maler: Made email optional.
 426 -->
 427
 428 <!ELEMENT author (name, affiliation?, email?)>
 429 <!ATTLIST author %common.att;>
 430
 431 <!ELEMENT name (#PCDATA)>
 432 <!ATTLIST name
 433         %common.att;
 434         %key.att;>
 435
 436 <!ELEMENT affiliation (#PCDATA)>
 437 <!ATTLIST affiliation %common.att;>
 438
 439 <!ELEMENT email (#PCDATA)>
 440 <!--    HREF attribute:
 441         email functions as a hypertext reference through this
 442         required attribute.  Typically the reference would use
 443         the mailto: scheme. -->
 444 <!ATTLIST email
 445         %common.att;
 446         %href-req.att;>
 447
 448 <!--    The status element now contains both statusp and p, and
 449         the latter now allows loc.  Use p; statusp will be removed
 450         eventually. -->
 451 <!ELEMENT status (%statusobj.mix;)+>
 452 <!ATTLIST status %common.att;>
 453
 454 <!ELEMENT abstract (%hdr.mix;)*>
 455 <!ATTLIST abstract %common.att;>
 456
 457 <!ELEMENT pubstmt (%hdr.mix;)+>
 458 <!ATTLIST pubstmt %common.att;>
 459
 460 <!ELEMENT sourcedesc (%hdr.mix;)+>
 461 <!ATTLIST sourcedesc %common.att;>
 462
 463 <!ELEMENT langusage (language+)>
 464 <!ATTLIST langusage %common.att;>
 465
 466 <!ELEMENT language (#PCDATA)>
 467 <!ATTLIST language %common.att;>
 468
 469 <!ELEMENT revisiondesc (%hdr.mix;)+>
 470 <!ATTLIST revisiondesc %common.att;>
 471
 472 <!-- ............................................................... -->
 473 <!-- Standalone elements ........................................... -->
 474
 475 <!-- Paragraphs .................... -->
 476
 477 <!--
 478 #1997-09-30: maler: Changed from %obj.mix; to %p.mix;.
 479 #1997-12-29: maler: Changed order of %p.mix; and %p.pcd.mix; references.
 480 #1997-12-29: maler: Changed order of %statusobj.mix; and %statusp.pcd.mix;
 481 #                   references.
 482 -->
 483
 484 <!ELEMENT p (%p.pcd.mix;|%p.mix;)*>
 485 <!ATTLIST p %common.att;>
 486
 487 <!--    statusp: Special paragraph that allows loc inside it (note that
 488         p now also allows loc) -->
 489 <!ELEMENT statusp (%statusp.pcd.mix;|%statusobj.mix;)*>
 490 <!ATTLIST statusp %common.att;>
 491
 492 <!-- Lists ......................... -->
 493
 494 <!ELEMENT ulist (item+)>
 495 <!--    spacing attribute:
 496         Use "normal" to get normal vertical spacing for items;
 497         use "compact" to get less spacing.  The default is dependent
 498         on the stylesheet. -->
 499 <!ATTLIST ulist
 500         %common.att;
 501         spacing         (normal|compact)        #IMPLIED>
 502
 503 <!ELEMENT olist (item+)>
 504 <!--    spacing attribute:
 505         Use "normal" to get normal vertical spacing for items;
 506         use "compact" to get less spacing.  The default is dependent
 507         on the stylesheet. -->
 508 <!ATTLIST olist
 509         %common.att;
 510         spacing         (normal|compact)        #IMPLIED>
 511
 512 <!ELEMENT item (%obj.mix;)+>
 513 <!ATTLIST item %common.att;>
 514
 515 <!ELEMENT slist (sitem+)>
 516 <!ATTLIST slist %common.att;>
 517
 518 <!ELEMENT sitem (%p.pcd.mix;)*>
 519 <!ATTLIST sitem %common.att;>
 520
 521 <!ELEMENT glist (gitem+)>
 522 <!ATTLIST glist %common.att;>
 523
 524 <!ELEMENT gitem (label, def)>
 525 <!ATTLIST gitem %common.att;>
 526
 527 <!ELEMENT label (%label.pcd.mix;)*>
 528 <!ATTLIST label %common.att;>
 529
 530 <!ELEMENT def (%obj.mix;)*>
 531 <!ATTLIST def %common.att;>
 532
 533 <!-- Special lists ................. -->
 534
 535 <!ELEMENT blist (bibl+)>
 536 <!ATTLIST blist %common.att;>
 537
 538 <!ELEMENT bibl (%bibl.pcd.mix;)*>
 539
 540 <!--    HREF attribute:
 541         bibl optionally functions as a hypertext reference to the
 542         referred-to resource through this attribute. -->
 543
 544 <!ATTLIST bibl
 545         %common.att;
 546         %href.att;
 547         %key.att;>
 548
 549 <!ELEMENT orglist (member+)>
 550 <!ATTLIST orglist %common.att;>
 551
 552 <!--
 553 #1997-09-30: maler: Added optional affiliation.
 554 -->
 555
 556 <!ELEMENT member (name, affiliation?, role?)>
 557 <!ATTLIST member %common.att;>
 558
 559 <!--      name (defined in "Specification header" above) -->
 560 <!--      affiliation (defined in "Specification header" above) -->
 561
 562 <!ELEMENT role (#PCDATA)>
 563 <!ATTLIST role %common.att;>
 564
 565 <!-- Notes ......................... -->
 566
 567 <!ELEMENT note (%obj.mix;)+>
 568 <!ATTLIST note %common.att;>
 569
 570 <!ELEMENT wfcnote (head, (%obj.mix;)+)>
 571 <!--    ID attribute:
 572         wfcnote must have an ID so that it can be pointed to
 573         from a wfc element in a production. -->
 574 <!ATTLIST wfcnote
 575         %common-idreq.att;>
 576
 577 <!ELEMENT vcnote (head, (%obj.mix;)+)>
 578 <!--    ID attribute:
 579         vcnote must have an ID so that it can be pointed to
 580         from a vc element in a production. -->
 581 <!ATTLIST vcnote
 582         %common-idreq.att;>
 583
 584 <!-- Illustrations ................. -->
 585
 586 <!--
 587 #1998-03-23: maler: Added xml:space attribute.
 588 -->
 589
 590 <!ELEMENT eg (%eg.pcd.mix;)*>
 591 <!ATTLIST eg
 592         %common.att;
 593         %xmlspace.att;>
 594
 595 <!ELEMENT graphic EMPTY>
 596 <!--    source attribute:
 597         The graphic data must reside at the location pointed to.
 598         This is a hypertext reference, but for practical purposes,
 599         for now it should just be a pathname. -->
 600 <!ATTLIST graphic
 601         %common.att;
 602         %source-req.att;
 603         alt             CDATA           #IMPLIED>
 604
 605 <!--
 606 #1997-11-28: maler: Added prodgroup to scrap and defined it.
 607 -->
 608
 609 <!ELEMENT scrap (head, (prodgroup+ | prod+ | bnf))>
 610 <!--    lang attribute:
 611         The scrap can link to a description of the language used,
 612         found in a language element in the header. -->
 613 <!ATTLIST scrap
 614         %common.att;
 615         lang            IDREF           #IMPLIED>
 616
 617 <!ELEMENT prodgroup (prod+)>
 618 <!--    pcw<n> attributes:
 619         Presentational attributes to control the width
 620         of the "pseudo-table" columns used to output
 621         groups of productions. -->
 622 <!ATTLIST prodgroup
 623         %common.att;
 624         pcw1            CDATA           #IMPLIED
 625         pcw2            CDATA           #IMPLIED
 626         pcw3            CDATA           #IMPLIED
 627         pcw4            CDATA           #IMPLIED
 628         pcw5            CDATA           #IMPLIED
 629 >
 630
 631 <!ELEMENT prod (lhs, (rhs, (com|wfc|vc)*)+)>
 632 <!--    ID attribute:
 633         The production must have an ID so that cross-references
 634         (specref) and mentions of nonterminals (nt) can link to
 635         it. -->
 636 <!ATTLIST prod
 637         %common-idreq.att;>
 638
 639 <!ELEMENT lhs (#PCDATA)>
 640 <!ATTLIST lhs %common.att;>
 641
 642 <!ELEMENT rhs (#PCDATA|nt|xnt|com)*>
 643 <!ATTLIST rhs %common.att;>
 644
 645 <!--      nt and xnt (defined in "Phrase-level elements" below) -->
 646
 647 <!--
 648 #1997-11-28: maler: Added loc and bibref to com content.
 649 -->
 650
 651 <!ELEMENT com (#PCDATA|loc|bibref)*>
 652 <!ATTLIST com %common.att;>
 653
 654 <!--    wfc: Should generate the head of the wfcnote pointed to -->
 655 <!ELEMENT wfc EMPTY>
 656 <!--    def attribute:
 657         Each well formedness tagline in a production must link to the
 658         wfcnote that defines it. -->
 659 <!ATTLIST wfc
 660         %def-req.att;
 661         %common.att;>
 662
 663 <!--    vc: Should generate the head of the vcnote pointed to -->
 664 <!ELEMENT vc EMPTY>
 665 <!--    def attribute:
 666         Each validity tagline in a production must link to the vcnote
 667         that defines it. -->
 668 <!ATTLIST vc
 669         %def-req.att;
 670         %common.att;>
 671
 672 <!--
 673 #1998-03-23: maler: Added xml:space attribute.
 674 -->
 675
 676 <!--    bnf: Un-marked-up production -->
 677 <!ELEMENT bnf (%eg.pcd.mix;)*>
 678 <!ATTLIST bnf
 679         %common.att;
 680         %xmlspace.att;>
 681
 682 <!--
 683 #1997-10-16: maler: Added table mechanism.
 684 #1997-11-28: maler: Added non-null system ID to entity declaration.
 685 #                   Added HTML table module.
 686 #1997-12-29: maler: IGNOREd SGML Open table model.
 687 #1998-03-10: maler: Removed SGML Open table model.
 688 #                   Merged html-tbl.mod file into main file.
 689 #                   Added %common.att; to all HTML table elements.
 690 -->
 691
 692 <!--    TR and TD attributes:
 693         Alignment attributes.  No default. -->
 694 <!ENTITY % trtd.att
 695         "align          (left
 696                         |center
 697                         |right)         #IMPLIED
 698         valign          (top
 699                         |middle
 700                         |bottom)        #IMPLIED">
 701
 702 <!ELEMENT htable (htbody+)>
 703 <!ATTLIST htable
 704           border        CDATA           "0"
 705           cellpadding   CDATA           "0"
 706           align         (left
 707                         |center
 708                         |right)         "left">
 709
 710 <!ELEMENT htbody (tr+)>
 711 <!ATTLIST htbody %common.att;>
 712
 713 <!ELEMENT tr     (td+)>
 714 <!ATTLIST tr
 715         %common.att;
 716         %trtd.att;>
 717
 718 <!ELEMENT td     (%p.pcd.mix;)*>
 719 <!ATTLIST td
 720         %common.att;
 721         %trtd.att;
 722         bgcolor         CDATA           #IMPLIED
 723         rowspan         CDATA           "1"
 724         colspan         CDATA           "1">
 725
 726 <!-- ............................................................... -->
 727 <!-- Phrase-level elements ......................................... -->
 728
 729 <!--    bibref: Should generate, in square brackets, "key" on bibl -->
 730 <!ELEMENT bibref EMPTY>
 731 <!--    ref attribute:
 732         A bibliography reference must link to the bibl element that
 733         describes the resource. -->
 734 <!ATTLIST bibref
 735         %common.att;
 736         %ref-req.att;>
 737
 738 <!ELEMENT code (%tech.pcd.mix;)*>
 739 <!ATTLIST code %common.att;>
 740
 741 <!--
 742 #1998-03-10: maler: Declared ednote and related elements.
 743 -->
 744
 745 <!ELEMENT ednote (name?, date?, edtext)>
 746 <!ATTLIST ednote %common.att;>
 747
 748 <!ELEMENT date (#PCDATA)>
 749 <!ATTLIST date %common.att;>
 750
 751 <!ELEMENT edtext (#PCDATA)>
 752 <!ATTLIST edtext %common.att;>
 753
 754 <!ELEMENT emph (#PCDATA)>
 755 <!ATTLIST emph %common.att;>
 756
 757 <!--    footnote: Both footnote content and call to footnote -->
 758 <!ELEMENT footnote (%obj.mix;)+>
 759 <!ATTLIST footnote %common.att;>
 760
 761 <!ELEMENT kw (%tech.pcd.mix;)*>
 762 <!ATTLIST kw %common.att;>
 763
 764 <!ELEMENT loc (#PCDATA)>
 765 <!--    HREF attribute:
 766         The purpose of a loc element is to function as a hypertext
 767         link to a resource.  (Ideally, the content of loc will also
 768         mention the URI of the resource, so that readers of the
 769         printed version will be able to locate the resource.) -->
 770 <!ATTLIST loc
 771         %common.att;
 772         %href-req.att;>
 773
 774 <!ELEMENT nt (#PCDATA)>
 775 <!--    def attribute:
 776         The nonterminal must link to the production that defines
 777         it. -->
 778 <!ATTLIST nt
 779         %common.att;
 780         %def-req.att;>
 781
 782 <!--
 783 #1998-03-10: maler: Declared quote.
 784 -->
 785
 786 <!--    quote: Scare quotes and other purely presentational quotes -->
 787 <!ELEMENT quote (%p.pcd.mix;)*>
 788 <!ATTLIST quote %common.att;>
 789
 790 <!--    specref: Should generate italic "[n.n], Section Title" for
 791         div, "n" for numbered item, or "[n]" for production -->
 792 <!ELEMENT specref EMPTY>
 793 <!--    ref attribute:
 794         The purpose of a specref element is to link to a div, item
 795         in an olist, or production in the current spec. -->
 796 <!ATTLIST specref
 797         %common.att;
 798         %ref-req.att;>
 799
 800 <!ELEMENT term (#PCDATA)>
 801 <!ATTLIST term %common.att;>
 802
 803 <!ELEMENT termdef (%termdef.pcd.mix;|%termdef.mix;)*>
 804 <!--    ID attribute:
 805         A term definition must have an ID so that it can be linked
 806         to from termref elements. -->
 807 <!--    term attribute:
 808         The canonical form of the term or phrase being defined must
 809         appear in this attribute, even if the term or phrase also
 810         appears in the element content in identical form (e.g., in
 811         the term element). -->
 812 <!ATTLIST termdef
 813         %common-idreq.att;
 814         term            CDATA           #REQUIRED>
 815
 816 <!ELEMENT termref (#PCDATA)>
 817 <!--    ref attribute:
 818         A term reference must link to the termdef element that
 819         defines the term. -->
 820 <!ATTLIST termref
 821         %common.att;
 822         %def-req.att;>
 823
 824 <!ELEMENT titleref (#PCDATA)>
 825 <!--    HREF attribute:
 826         A title reference can optionally function as a hypertext
 827         link to the resource with this title. -->
 828 <!ATTLIST titleref
 829         %common.att;
 830         %href.att;>
 831
 832 <!ELEMENT xnt (#PCDATA)>
 833 <!--    HREF attribute:
 834         The nonterminal must hyperlink to a resource that serves
 835         to define it (e.g., a production in a related XML
 836         specification). -->
 837 <!ATTLIST xnt
 838         %common.att;
 839         %href-req.att;>
 840
 841 <!--
 842 #1997-12-29: maler: Declared xspecref.
 843 -->
 844
 845 <!ELEMENT xspecref (#PCDATA)>
 846 <!--    HREF attribute:
 847         The spec reference must hyperlink to the resource to
 848         cross-refer to (e.g., a section in a related XML
 849         specification). -->
 850 <!ATTLIST xspecref
 851         %common.att;
 852         %href-req.att;>
 853
 854 <!ELEMENT xtermref (#PCDATA)>
 855 <!--    HREF attribute:
 856         The term reference must hyperlink to the resource that
 857         serves to define the term (e.g., a term definition in
 858         a related XML specification). -->
 859 <!ATTLIST xtermref
 860         %common.att;
 861         %href-req.att;>
 862
 863 <!-- ............................................................... -->
 864 <!-- Unused elements for ADEPT ..................................... -->
 865
 866 <!--
 867 #1997-09-30: maler: Added unusued elements.
 868 #1997-10-14: maler: Fixed div to move nested div to the mixture.
 869 -->
 870
 871 <!--    The following elements are purposely declared but never
 872         referenced.  Declaring them allows them to be pasted from
 873         an HTML document into a document using this DTD in ADEPT.
 874         The ATD Context Transformation mechanism will try to convert
 875         them to the appropriate element for this DTD.  While this
 876         conversion will not work for all fragments, it does allow
 877         many cases to work reasonably well. -->
 878
 879 <!ELEMENT div
 880         (head?, (%div.mix;|ul|ol|h1|h2|h3|h4|h5|h6|div)*)>
 881 <!ELEMENT h1 (%head.pcd.mix;|em|a)*>
 882 <!ELEMENT h2 (%head.pcd.mix;|em|a)*>
 883 <!ELEMENT h3 (%head.pcd.mix;|em|a)*>
 884 <!ELEMENT h4 (%head.pcd.mix;|em|a)*>
 885 <!ELEMENT h5 (%head.pcd.mix;|em|a)*>
 886 <!ELEMENT h6 (%head.pcd.mix;|em|a)*>
 887 <!ELEMENT pre (%eg.pcd.mix;|em)*>
 888 <!ELEMENT ul (item|li)*>
 889 <!ELEMENT ol (item|li)*>
 890 <!ELEMENT li (#PCDATA|%obj.mix;)*>
 891 <!ELEMENT em (#PCDATA)>
 892 <!ELEMENT a (#PCDATA)>
 893
 894 <!-- ............................................................... -->
 895 <!-- Change history ................................................ -->
 896
 897 <!--
 898 #1997-08-18: maler
 899 #- Did a major revision.
 900 #1997-09-10: maler
 901 #- Updated FPI.
 902 #- Removed namekey element and put key attribute on name element.
 903 #- Made statusp element and supporting entities.
 904 #- Added slist element with sitem+ content.
 905 #- Required head on scrap and added new bnf subelement.
 906 #- Added an xnt element and allowed it and nt in regular text and rhs.
 907 #- Removed the ntref element.
 908 #- Added back the com element to the content of rhs.
 909 #- Added a key attribute to bibl.
 910 #- Removed the ident element.
 911 #- Added a term element to be used inside termdef.
 912 #- Added an xtermref element parallel to termref.
 913 #- Beefed up DTD comments.
 914 #1997-09-12: maler
 915 #- Allowed term element in general text.
 916 #- Changed bibref to EMPTY.
 917 #- Added ref.class to termdef.pcd.mix.
 918 #1997-09-14: maler
 919 #- Changed main attribute of xtermref from def to href.
 920 #- Added termdef.class to label contents.
 921 #1997-09-30: maler
 922 #- Added character entity module and added new entities.
 923 #- Removed p from appearing directly in self; created %p.mix;.
 924 #- Added inform-div (non-normative division) element.
 925 #- Fixed xtermref comment to mention HREF, not ref.
 926 #- Extended orglist model to allow optional affiliation.
 927 #- Modified author to make affiliation optional.
 928 #- Added %speclist.class; and %note.class; to %obj.mix; and %p.mix;.
 929 #- Added %note.class; and %illus.class; to %termdef.pcd.mix;.
 930 #- Added unused HTML elements.
 931 #- Put empty system ID next to public ID in entity declarations.
 932 #1997-10-14: maler
 933 #- Fixed "unused" div content model to move nested div to mixture.
 934 #1997-10-16: maler
 935 #- Added SGML Open Exchange tables.
 936 #1997-11-28: maler
 937 #- Added support for prodgroup and its attributes.
 938 #- Added support for HTML tables.
 939 #- Added loc and bibref to content of com.
 940 #- Added loc to general p content models.
 941 #- Allowed p as alternative to statusp in status.
 942 #- Added non-null system IDs to external parameter entity declarations.
 943 #- (Modified the SGML Open table module to make it XML-compliant.)
 944 #- (Modified the character entity module.)
 945 #1997-12-29: maler
 946 #- Moved #PCDATA occurrences to come before GIs in content models.
 947 #- Removed use of the SGML Open table module.
 948 #- Added xspecref element.
 949 #- Ensured that all FPIs contain 4-digit year.
 950 #- (Modified the character entity module.)
 951 #1997-03-10: maler
 952 #- Merged the character entity and table modules into the main file.
 953 #- Added ldquo and rdquo entities.
 954 #- Added common attributes to prodgroup.
 955 #- Made the email element in header optional.
 956 #- Removed reference to the SGML Open table model.
 957 #- Added ednote element.
 958 #- Added quote element.
 959 #- Updated XLink usage to reflect 3 March 1998 WD.
 960 #- Added "local" entities to the class entities for customization.
 961 #- Parameterized several content models to allow for customization.
 962 #1997-03-23: maler
 963 #- Cleaned up some comments and removed some others.
 964 #- Added xml:space semi-common attribute to eg and bnf elements.
 965 #- Added show and embed attributes on all the uses of href.
 966 #- Added %common.att; to all HTML table elements.
 967 #- Added a real URI to the "typical invocation" comment.
 968 -->
 969
 970 <!-- ............................................................... -->
 971 <!-- End of XML specification DTD .................................. -->
 972 <!-- ............................................................... -->