Math Class Elements



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<!--  MODULE:    Math Element Classes                              -->
<!--  VERSION:   1.0                                               -->
<!--  DATE:      December 2002                                     -->
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<!--                    PUBLIC DOCUMENT TYPE DEFINITION            -->
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<!--
"-//NLM//DTD Archiving and Interchange DTD Suite Math Class Elements v1.0 20021201//EN"
     Delivered as file "math.ent"                                  -->
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<!-- SYSTEM:     Archiving and Interchange DTD Suite               -->
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<!-- PURPOSE:    Names all elements in the math classes            -->
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<!-- CONTAINS:   1) Default definition of the math classes         -->
<!--             2) Inline formula <inline-formula>                -->
<!--             3) Display Formula <disp-formula>                 -->
<!--             4) TeX Math Equation <tex-math>                   -->
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<!-- CREATED FOR:                                                  -->
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<!--             The suite has been set up to be extended using a  -->
<!--             new DTD file and a new DTD-specific customization -->
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<!-- ORIGINAL CREATION DATE:                                       -->
<!--             December 2002                                     -->
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<!-- CREATED BY: Jeff Beck       (NCBI)                            -->
<!--             Deborah Lapeyre (Mulberry Technologies, Inc.)     -->
<!--             Bruce Rosenblum (Inera Inc.)                      -->
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<!--             NLM thanks the Harvard University Libraries, both -->
<!--             for proposing that a draft archiving NLM DTD for  -->
<!--             life sciences journals be extended to accommodate -->
<!--             journals in all disciplines and for sponsoring    -->
<!--             Bruce Rosenblum's collaboration with other DTD    -->
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<!--             Mellon Foundation provided support for these      -->
<!--             important contributions.                          -->
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Version  Reason/Occasion                   (who) vx.x (yyyy-mm-dd)


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<!--                    PARAMETER ENTITY DEPENDENCIES
                        Requires the following parameter entities
                        be defined before calling this module,
                        usually accomplished in the Customization
                        Module for the specific DTD:
                          %access.class;
                          %break.class;
                          %emphasis.class;
                          %inline-display.class;
                          %inline-formula-elements;
                          %label.class;
                          %math.class;
                          %simple-display.class;
                          %subsup.class;
                                                                   -->
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<!--                    DEFAULT MATH CLASS DEFINITIONS             -->
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<!--                    MATHEMATICAL EXPRESSIONS                   -->
<!ENTITY % math.class   "tex-math | mml:math"                        >


<!--                    INLINE MATHEMATICAL EXPRESSIONS MIX        -->
<!ENTITY % inline-math  "inline-formula"                             >


<!--                    MATHEMATICAL EXPRESSIONS AND FORMULAE MIX  -->
<!ENTITY % block-math   "disp-formula"                               >
<!--         id         Unique identifier so the element may be
                        referenced                                 -->


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<!--                    PARAMETER ENTITIES FOR ATTRIBUTE LISTS     -->
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<!--                    DISPLAY FORMULA ATTRIBUTES                 -->
<!--                    Attributes for the <disp-formula> element  -->
<!--         id         Unique identifier so the element may be
                        referenced                                 -->
<!ENTITY % disp-formula-atts
            "id         ID                                 #IMPLIED" >


<!--                    TEX MATH ATTRIBUTES                        -->
<!--                    Attributes for the <disp-formula> element  -->
<!--         id         Unique identifier so the element may be
                        referenced
             version    Which version of TeX used
             notation   Says that the content of this element will
                        be in TeX and needs to be surrounded by
                        a CDATA section.                           -->
<!ENTITY % tex-math-atts
            "notation   NOTATION (tex | TEX | TeX)         #IMPLIED
             version    CDATA                              #IMPLIED
             id         CDATA                              #IMPLIED" >


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<!--                    MATH ELEMENTS (PARAGRAPH LEVEL)            -->
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<!--                    FORMULA, INLINE ELEMENTS                   -->
<!--                    Elements for use in the <inline-formula>
                        element                                    -->
<!ENTITY % inline-formula-elements
                        "%emphasis.class; | %inline-display.class; |
                         %math.class; | %subsup.class;"              >


<!--                    FORMULA, INLINE                            -->
<!--                    Inline element for a mathematical
                        equation, expression, or formula           -->
<!ELEMENT  inline-formula
                        (#PCDATA | %inline-formula-elements;)*       >


<!--                    FORMULA, DISPLAY ELEMENTS                  -->
<!--                    Elements for use in the <disp-formula>
                        element                                    -->
<!ENTITY % disp-formula-elements
                        "%access.class; | %break.class; |
                         %emphasis.class; | %inline-display.class; |
                         %label.class; | %math.class; |
                         %simple-display.class; | %subsup.class;"    >


<!--                    FORMULA, DISPLAY                           -->
<!--                    Block-level (callout) element for a
                        mathematical equation, expression, or
                        formula.  The characters representing the
                        equation may be present, or the equation
                        could be a graphic.                        -->
<!ELEMENT  disp-formula (#PCDATA | %disp-formula-elements; )*        >
<!--         id         Unique identifier so the element may be
                        referenced                                 -->
<!ATTLIST  disp-formula
             %disp-formula-atts;                                     >


<!--                    TEX MATH EQUATION                          -->
<!--                    Used to hold encoded math, expressed in TeX-->
<!ELEMENT  tex-math      (#PCDATA)                                   >
<!--         id         Unique identifier so the element may be
                        referenced
             version    Which version of TeX used
             notation   Says that the content of this element will
                        be in TeX and needs to be surrounded by
                        a CDATA section.                           -->
<!ATTLIST  tex-math
             %tex-math-atts;                                         >


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