TAG Article DTD
From:  ftp://www.sgml.com/article.dtd

<!-- <TAG> Article DTD
     Copyright (c) 1995, SGML Associates

     Author: Brian E. Travis
     Date:   3-Jul-1995

     Typical Invocation:
     <!DOCTYPE article PUBLIC "-//TAG//DTD TAG Article DTD//EN">
                                                              -->
 
<!ELEMENT article      - - (title, author*, abstract,
                           (paragraph | section)+)              >
<!ATTLIST article      volume   NUMBER      #IMPLIED
                       issue    NUMBER      #IMPLIED
                       page     NUMBER      #IMPLIED
                       type     (feature | tutorial | editorial |
                                tip)        feature             >
<!ELEMENT title        O O (#PCDATA)                   +(quote) >

<!ELEMENT author       - O (name, short-bio)                    >
<!ATTLIST author       role     (primary | reporting)
                                            primary             >
<!ELEMENT name         O O (#PCDATA)                            >
<!ELEMENT short-bio    - O (paragraph+)                         >
<!ELEMENT abstract     - - (paragraph+)                         >

<!-- Section is nestable. Title will appear in type style
     according to its nesting level. Be sure to end sections 
     appropriately.                                           -->
<!ELEMENT section      - - (title, author*, (section | paragraph)+)
                                                +(contact-info) >

<!ELEMENT paragraph    O O (#PCDATA)                +(emphasis |
                                                      footnote |
                                                         quote |
                                                      verbatim |
                                                     sgml-code |
                                                    pull-quote |
                                                        figure |
                                                       acronym |
                                                          list
                                                              ) >

<!-- paragraph inclusions                                     -->
<!-- verbatim generally appears in monospaced font.
     attribute type=block will render the text offset from the
     rest of the paragraph, line breaks are honored.          -->
<!ELEMENT verbatim     - - RCDATA                               >
<!ATTLIST verbatim     type     (inline | block)
                                            inline              >

<!-- sgml-code will be parsed before publishing. Be sure to
     include prologue and enough code for parsing. print
     attribute will determine if code section will print when
     published. Since this is RCDATA, be sure to use &etago; 
     instead of </                                            -->
<!ELEMENT sgml-code    - - RCDATA                               >
<!ATTLIST sgml-code    print    (print | noprint)
                                            print               >

<!ELEMENT emphasis     - - (#PCDATA)                -(emphasis) >

<!-- footnotes are rendered on at the bottom of the page (for
     paper delivery) or as pop-up text (for electronic 
     delivery.                                                -->
<!ELEMENT footnote     - - (#PCDATA)                -(footnote) >

<!-- acronyms will be rendered in small-caps (for paper delivery)
     or a hot links with expanded text behind (for electronic
     delivery).                                              
     expansion should be specified the first time the acronym
     is used. The translator will automagically use the expansion
     the first time, then refer to it by its acronym from that
     point on. Common acronyms do not need to be expanded. A 
     list of common acronyms is available at
     http://tag.sgml.com/acronym.sgm                          -->
<!ELEMENT acronym      - - (abbreviation, expansion?)
                                                     -(acronym) >
<!ELEMENT abbreviation O O (#PCDATA)                            >
<!ELEMENT expansion    - O (#PCDATA)                            >

<!-- quotes are nestable. Be sure to end quotes appropriately.-->
<!ELEMENT quote        - - (#PCDATA)                            >

<!-- a pull-quote is a section of text that could appear in the 
     printed version is space is available.                   -->
<!ELEMENT pull-quote   - - (#PCDATA)              -(pull-quote) >

<!-- figures may be text or graphics.                         -->
<!ELEMENT figure       - - ((graphic | verbatim | paragraph+),
                           caption)                             >
<!ELEMENT caption      - - (title, paragraph*)                  >
<!ELEMENT graphic      - O EMPTY                                >
<!ATTLIST graphic      type     CDATA       #REQUIRED
                       name     ENTITY      #REQUIRED           >
                                                    
<!ELEMENT list         - - (list-item, list-item+)              >
<!ATTLIST list         type     (ordered | unordered | simple)
                                            unordered           >
<!-- list-item can contain lists because it is an inclusion
     for paragraph.                                           -->
<!ELEMENT list-item    - O (paragraph+)                         >

<!ELEMENT contact-info - - (company, contact?, access*)         >
<!ELEMENT company      O O (#PCDATA)                            >
<!ELEMENT contact      - O (#PCDATA)                            >
<!ELEMENT access       - O (#PCDATA)                            >
<!ATTLIST access       type     (voice | fax | e-mail | url) 
                                            #REQUIRED           >


<!ELEMENT table         - -  (field+, caption)                 >
<!ELEMENT field         - O  (title, cell*)                    >
<!ATTLIST field         relative-width  NUMBER  #IMPLIED
                        type   (char | date | currency | 
                               signed-int | unsigned-int |
                               floating | formula | function |
                               verbatim | integer)  char       >
<!ELEMENT cell          - O  (#PCDATA)                         >


<!ENTITY % iso-amsa PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Arrow Relations//EN">
<!ENTITY % iso-amsb PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Binary Operators//EN">
<!ENTITY % iso-amsc PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Delimiters//EN"    >
<!ENTITY % iso-amsn PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Negated Relations//EN">
<!ENTITY % iso-amso PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Ordinary//EN"      >
<!ENTITY % iso-amsr PUBLIC 
"ISO 8879-1986//ENTITIES Added Math Symbols: Relations//EN"     >
<!ENTITY % iso-box  PUBLIC 
"ISO 8879-1986//ENTITIES Box and Line Drawing//EN"              >
<!ENTITY % iso-cyr1 PUBLIC 
"ISO 8879-1986//ENTITIES Russian Cyrillic//EN"                  >
<!ENTITY % iso-cyr2 PUBLIC 
"ISO 8879-1986//ENTITIES Non-Russian Cyrillic//EN"              >
<!ENTITY % iso-dia  PUBLIC 
"ISO 8879-1986//ENTITIES Diacritical Marks//EN"                 >
<!ENTITY % iso-grk1 PUBLIC 
"ISO 8879-1986//ENTITIES Greek Letters//EN"                     >
<!ENTITY % iso-grk2 PUBLIC 
"ISO 8879-1986//ENTITIES Monotoniko Greek//EN"                  >
<!ENTITY % iso-grk3 PUBLIC 
"ISO 8879-1986//ENTITIES Greek Symbols//EN"                     >
<!ENTITY % iso-lat1 PUBLIC 
"ISO 8879-1986//ENTITIES Added Latin 1//EN"                     >
<!ENTITY % iso-lat2 PUBLIC 
"ISO 8879-1986//ENTITIES Added Latin 2//EN"                     >
<!ENTITY % iso-num  PUBLIC 
"ISO 8879-1986//ENTITIES Numeric and Special Graphic//EN"       >
<!ENTITY % iso-pub  PUBLIC 
"ISO 8879-1986//ENTITIES Publishing//EN"                        >
<!ENTITY % iso-tech PUBLIC 
"ISO 8879-1986//ENTITIES General Technical//EN"                 >

<!--
%iso-amsa; %iso-amsb; %iso-amsc; %iso-amsn; %iso-amso; %iso-amsr;
%iso-box; %iso-cyr1; %iso-cyr2; %iso-dia; %iso-grk1; %iso-grk2; 
%iso-grk3; %iso-lat1; %iso-lat2; %iso-num; %iso-pub; %iso-tech;
-->

<!ENTITY  lit   '"'                                             >
<!ENTITY  lita  "'"                                             >
<!ENTITY  amp   "[amp   ]"                                      >
<!ENTITY  stago "[stago ]"                                      >
<!ENTITY  etago "[etago ]"                                      >
<!ENTITY  tagc  "[tagc  ]"                                      >
<!ENTITY  pio   "[pio   ]"                                      >
<!ENTITY  mso   "[mso   ]"                                      >
<!ENTITY  mdo   "[mdo   ]"                                      >
<!ENTITY  lt    "[lt    ]"                                      >
<!ENTITY  TAG   "[TAG   ]"                                      >