The HelpTag 1.3 DTD is also available in the Developer's Toolkit. It is located in the /usr/dt/dthelp/dthelptag/dtd directory and named helptag.dtd.
HelpTag 1.3 DTD <!SGML "ISO 8879:1986" -- SGML Declaration-- CHARSET BASESET "ISO 646-1983//CHARSET International Reference Version (IRV)//ESC 2/5 4/0" DESCSET 0 9 UNUSED 9 2 9 11 2 UNUSED 13 1 13 14 18 UNUSED 32 95 32 127 1 UNUSEDBASESET "ISO Registration Number 100//CHARSET ECMA-94 Right Part of Latin Alphabet Nr. 1//ESC 2/13 4/1"DESCSET 128 32 UNUSED 160 5 32 165 1 UNUSED 166 88 38 254 1 127 255 1 UNUSED CAPACITY SGMLREFTOTALCAP 350000 ENTCAP 100000 ENTCHCAP 50000 ELEMCAP 50000 GRPCAP 210000 EXGRPCAP 50000 EXNMCAP 50000 ATTCAP 50000 ATTCHCAP 50000 AVGRPCAP 50000 NOTCAP 50000 NOTCHCAP 50000 IDCAP 50000 IDREFCAP 50000 MAPCAP 210000 LKSETCAP 50000 LKNMCAP 50000SCOPE DOCUMENTSYNTAX -- The Core Reference Syntax except with ATTCNT,LITLEN, NAMELEN,GRPCNT, and GRPGTCNT changed --SHUNCHAR CONTROLS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 127 255 BASESET "ISO 646-1983//CHARSET International Reference Version (IRV)//ESC 2/5 4/0" DESCSET 0 128 0 FUNCTION RE 13 RS 10 SPACE 32 TAB SEPCHAR 9 NAMING LCNMSTRT "" UCNMSTRT "" LCNMCHAR "-." UCNMCHAR "-." NAMECASE GENERAL YES ENTITY YES DELIM GENERAL SGMLREF SHORTREF SGMLREF -- Removed short references -- NAMES SGMLREF QUANTITY SGMLREF ATTCNT 140 LITLEN 4096 NAMELEN 64 GRPCNT 100 GRPGTCNT 253 TAGLVL 48 FEATURES MINIMIZE DATATAG NO OMITTAG NO RANK NO SHORTTAG YES LINK SIMPLE NO IMPLICIT NO EXPLICIT NO OTHER CONCUR NO SUBDOC NO FORMAL NO APPINFO NONE > <!DOCTYPE helpvolume [ <!ELEMENT helpvolume - - (metainfo?, hometopic?, (chapter* | (s1*, rsect*)), message?, glossary?) +(memo | idx) > <!ELEMENT metainfo - - (idsection, abstract?, otherfront*) -(footnote) > <!ELEMENT idsection - - (title, copyright?) > <!ELEMENT title - - (partext) -(memo | location | idx) > <!ELEMENT partext - - ((#PCDATA | acro | emph | computer | user | term | var | circle | quote | keycap | graphic | super | sub | book | xref | footnote | esc | link | location | newline )*) > <!ELEMENT acro - - ((#PCDATA | esc | super | sub)*) > <!ELEMENT emph - - (partext) -(emph) > <!ELEMENT computer - - ((#PCDATA | quote | var | user | esc)*) > <!ELEMENT user - - ((#PCDATA | var | esc)*) > <!ELEMENT term - - (partext) -(emph | computer | term | var | quote | user | book | footnote) > <!ATTLIST term base CDATA #IMPLIED gloss (gloss | nogloss) gloss > <!ELEMENT var - - ((#PCDATA | esc)*) > <!ELEMENT circle - - CDATA > <!ELEMENT quote - - (partext) -(quote) > <!ELEMENT keycap - - ((#PCDATA | super | sub | esc)+) > <!ELEMENT graphic - O EMPTY > <!ATTLIST graphic id ID #IMPLIED entity ENTITY #REQUIRED > <!ELEMENT super - - (#PCDATA) > <!ELEMENT sub - - (#PCDATA) > <!ELEMENT book - - (partext) -(book) > <!ELEMENT xref - O EMPTY > <!ATTLIST xref id IDREF #REQUIRED > <!ELEMENT footnote - - (p+) -(footnote) > <!ELEMENT esc - - CDATA > <!ELEMENT link - - (partext) -(link | xref) > <!ATTLIST link hyperlink CDATA #REQUIRED type (jump | jumpnewview | definition | execute | appdefined | man ) jump description CDATA #IMPLIED > <!ELEMENT location - - (partext) -(location) > <!ATTLIST location id ID #REQUIRED > <!ELEMENT copyright - - (text) -(memo | location | idx) > <!ELEMENT text - - ((p | note | caution | warning | lablist | list | ex | vex | esc | otherhead | procedure | syntax | figure | image )* ) > <!ELEMENT p - - (head?, partext) +(newline) > <!ATTLIST (p | image) indent (indent) #IMPLIED id ID #IMPLIED gentity ENTITY #IMPLIED gposition (left | right) left ghyperlink CDATA #IMPLIED glinktype (jump | jumpnewview | definition | execute | appdefined | man ) jump gdescription CDATA #IMPLIED > <!ELEMENT head - - (partext) -(memo | location | idx) > <!ELEMENT newline - O EMPTY > <!ELEMENT (note | caution | warning ) - - (head?, text) -(note | caution | warning | footnote) > <!ELEMENT lablist - - (head?, labheads?, lablistitem+) > <!ATTLIST lablist spacing (loose | tight) loose longlabel (wrap | nowrap) wrap > <!ELEMENT labheads - - (labh, labhtext) -(memo | location | idx) > <!ELEMENT labh - - (partext) > <!ELEMENT labhtext - - (partext) > <!ELEMENT lablistitem - - (label, text) > <!ELEMENT label - - (partext) > <!ELEMENT list - - (head?, item+) > <!ATTLIST list type (order | bullet | plain | check ) bullet ordertype (ualpha | lalpha | arabic | uroman | lroman ) arabic spacing (tight | loose ) tight continue (continue) #IMPLIED > <!ELEMENT item - - (text) > <!ATTLIST item id ID #IMPLIED > <!ELEMENT ex - - (head?, (exampleseg, annotation?)+) -(ex | vex | note | caution | warning | syntax | footnote) > <!ATTLIST ex notes (side | stack) side lines (number | nonumber ) nonumber textsize (normal | smaller | smallest ) normal > <!ELEMENT exampleseg - - (partext) +(lineno) > <!ELEMENT annotation - - (partext) +(newline) > <!ELEMENT lineno - O EMPTY > <!ATTLIST lineno id ID #IMPLIED > <!ELEMENT vex - - CDATA > <!ATTLIST vex lines (number | nonumber ) nonumber textsize (normal | smaller | smallest ) normal > <!ELEMENT otherhead - - (head, text?) > <!ELEMENT procedure - - (chaphead, text?) -(procedure) > <!ELEMENT chaphead - - (head, abbrev?) -(memo | location | idx | footnote) > <!ELEMENT abbrev - - (partext) -(footnote) > <!ELEMENT syntax - - (head?, synel) > <!ELEMENT synel - - ((#PCDATA | esc | var | optblock | reqblock )+) > <!ELEMENT (optblock | reqblock ) - - (synel+) > <!ELEMENT figure - - (caption?) -(figure | graphic) > <!ATTLIST figure number NUMBER #IMPLIED tonumber (number | nonumber) number id ID #IMPLIED entity ENTITY #REQUIRED figpos (left | center | right ) #IMPLIED cappos (capleft | capcenter | capright ) #IMPLIED ghyperlink CDATA #IMPLIED glinktype (jump | jumpnewview | definition | execute | appdefined | man ) jump gdescription CDATA #IMPLIED > <!ELEMENT caption - - (partext, abbrev?) -(memo | location | idx) > <!ELEMENT image - - (head?, partext) -(footnote) > <!ELEMENT abstract - - (head?, text?, frontsub*) > <!ELEMENT frontsub - - (head?, text) > <!ELEMENT otherfront - - (head?, text?, frontsub*) > <!ATTLIST otherfront id ID #IMPLIED > <!ELEMENT hometopic - - (chaphead, text?) > <!ELEMENT chapter - - (chaphead, text?, (s1*, rsect*)) > <!ATTLIST (chapter | s1 | s2 | s3 | s4 | s5 | s6 | s7 | s8 | s9 ) id ID #IMPLIED > <!ELEMENT s1 - - (chaphead, text?, s2*, rsect*) > <!ELEMENT s2 - - (chaphead, text?, s3*, rsect*) > <!ELEMENT s3 - - (chaphead, text?, s4*, rsect*) > <!ELEMENT s4 - - (chaphead, text?, s5*, rsect*) > <!ELEMENT s5 - - (chaphead, text?, s6*, rsect*) > <!ELEMENT s6 - - (chaphead, text?, s7*, rsect*) > <!ELEMENT s7 - - (chaphead, text?, s8*, rsect*) > <!ELEMENT s8 - - (chaphead, text?, s9*, rsect*) > <!ELEMENT s9 - - (chaphead, text?) > <!ELEMENT rsect - - (chaphead, text?, rsub*) > <!ATTLIST rsect id ID #IMPLIED > <!ELEMENT rsub - - (chaphead, text?) > <!ELEMENT message - - (chaphead?, text?, (msg+ | msgsub+)) > <!ELEMENT msg - - (msgnum?, msgtext, explain?) +(newline) > <!ELEMENT msgnum - - ((#PCDATA | esc)+) > <!ELEMENT msgtext - - (partext) > <!ELEMENT explain - - (text) > <!ELEMENT msgsub - - (chaphead, text?, msg+) > <!ELEMENT glossary - - (text?, glossent+) > <!ELEMENT glossent - - (dterm, definition) > <!ELEMENT dterm - - (partext) -(term) > <!ELEMENT definition - - (text) > <!ELEMENT idx - - (indexprimary, indexsub?) -(term | footnote | location | idx) > <!ELEMENT indexprimary - - (partext, sort?) > <!ELEMENT indexsub - - (partext, sort?) > <!ELEMENT sort - - ((#PCDATA | esc)+) > <!ELEMENT memo - - CDATA > <!ENTITY MINUS SDATA "-"> <!ENTITY PM SDATA `[plusmn]'> <!-- ISOnum --> <!ENTITY DIV SDATA `[divide]'> <!-- ISOnum --> <!ENTITY TIMES SDATA `[times ]'> <!-- ISOnum --> <!ENTITY LEQ SDATA `[le ]'> <!-- ISOtech --> <!ENTITY GEQ SDATA `[ge ]'> <!-- ISOtech --> <!ENTITY NEQ SDATA `[ne ]'> <!-- ISOtech --> <!ENTITY COPY SDATA `[copy ]'> <!-- ISOnum --> <!ENTITY REG SDATA `[reg ]'> <!-- ISOnum --> <!ENTITY TM SDATA `[trade ]'> <!-- ISOnum --> <!ENTITY ELLIPSIS SDATA `[hellip]'> <!-- ISOpub --> <!ENTITY VELLIPSIS SDATA `[vellip]'> <!-- ISOpub --> <!ENTITY PELLIPSIS SDATA "...."> <!-- ellipsis followed by a period --> <!ENTITY A.M. SDATA "a.m."> <!ENTITY P.M. SDATA "p.m."> <!ENTITY MINUTES SDATA `[prime ]'> <!-- ISOtech --> <!ENTITY SECONDS SDATA `[Prime ]'> <!-- ISOtech --> <!ENTITY DEG SDATA `[deg ]'> <!-- ISOnum --> <!ENTITY SQUOTE SDATA "`"> <!ENTITY DQUOTE SDATA `"'> <!ENTITY ENDASH SDATA "-"> <!ENTITY EMDASH SDATA `[mdash ]'> <!-- ISOpub --> <!ENTITY VBLANK SDATA "_"> <!ENTITY CENTS SDATA `[cent ]'> <!-- ISOnum --> <!ENTITY STERLING SDATA `[pound ]'> <!-- ISOnum --> <!ENTITY SPACE SDATA " "> <!ENTITY SIGSPACE SDATA "& "> <!ENTITY SIGDASH SDATA "&-"> <!ENTITY MICRO SDATA `[micro ]'> <!-- ISOnum --> <!ENTITY OHM SDATA `[ohm ]'> <!-- ISOnum --> <!ENTITY UP SDATA `[uarr ]'> <!-- ISOnum --> <!ENTITY DOWN SDATA `[darr ]'> <!-- ISOnum --> <!ENTITY LEFT SDATA `[larr ]'> <!-- ISOnum --> <!ENTITY RIGHT SDATA `[rarr ]'> <!-- ISOnum --> <!ENTITY HOME SDATA "home key"> <!ENTITY BACK SDATA "<--"> <!ENTITY HALFSPACE SDATA " "> <!ENTITY % user-defined-entities SYSTEM "helptag.ent"> %user-defined-entities; ] >