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<!--                    HEADER                                     -->
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<!--  MODULE:    DITA Concept DTD                                  -->
<!--  VERSION:   1.1                                               -->
<!--  DATE:      June 2006                                         -->
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<!--                    PUBLIC DOCUMENT TYPE DEFINITION            -->
<!--                    TYPICAL INVOCATION                         -->
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<!--  Refer to this file by the following public identifier or an 
      appropriate system identifier 
PUBLIC "-//OASIS//DTD DITA Concept//EN"
      Delivered as file "concept.dtd"                              -->

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<!-- SYSTEM:     Darwin Information Typing Architecture (DITA)     -->
<!--                                                               -->
<!-- PURPOSE:    DTD to describe DITA Concepts                     -->
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<!-- ORIGINAL CREATION DATE:                                       -->
<!--             March 2001                                        -->
<!--                                                               -->
<!--             (C) Copyright OASIS Open 2005, 2006.              -->
<!--             (C) Copyright IBM Corporation 2001, 2004.         -->
<!--             All Rights Reserved.                              -->
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<!--  UPDATES:                                                     -->
<!--    2006.06.07 RDA: Added indexing domain                      -->
<!--    2006.06.21 RDA: Added props attribute extensions           -->
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<!--                    DOMAIN ENTITY DECLARATIONS                 -->
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<!ENTITY % ui-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA User Interface Domain//EN" 
"uiDomain.ent"                                                       >
%ui-d-dec;

<!ENTITY % hi-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA Highlight Domain//EN" 
"highlightDomain.ent"                                                >
%hi-d-dec;

<!ENTITY % pr-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA Programming Domain//EN" 
"programmingDomain.ent"                                              >
%pr-d-dec;

<!ENTITY % sw-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA Software Domain//EN" 
"softwareDomain.ent"                                                 >
%sw-d-dec;

<!ENTITY % ut-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA Utilities Domain//EN" 
"utilitiesDomain.ent"                                                >
%ut-d-dec;

<!ENTITY % indexing-d-dec     PUBLIC 
"-//OASIS//ENTITIES DITA Indexing Domain//EN" 
"indexingDomain.ent"                                                 >
%indexing-d-dec;

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<!--                    DOMAIN ATTRIBUTE DECLARATIONS              -->
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<!--                    DOMAIN EXTENSIONS                          -->
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<!--                    One for each extended base element, with
                        the name of the domain(s) in which the
                        extension was declared                     -->

<!ENTITY % pre          "pre     | %pr-d-pre;     | %sw-d-pre;     | 
                                   %ui-d-pre;"                       >
<!ENTITY % keyword      "keyword | %pr-d-keyword; | %sw-d-keyword; |
                                   %ui-d-keyword;"                   >
<!ENTITY % ph           "ph      | %pr-d-ph;      | %sw-d-ph;      | 
                                    %hi-d-ph;     | %ui-d-ph;"       >
<!ENTITY % fig          "fig     | %pr-d-fig;     | %ut-d-fig;"      >
<!ENTITY % dl           "dl      | %pr-d-dl;"                        >
<!ENTITY % index-base   "index-base | %indexing-d-index-base;"       >

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<!--                    DOMAIN ATTRIBUTE EXTENSIONS                -->
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<!ENTITY % props-attribute-extensions  ""                            >
<!ENTITY % base-attribute-extensions   ""                            >


<!-- ============================================================= -->
<!--                    TOPIC NESTING OVERRIDE                     -->
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<!--                    Redefine the infotype entity to exclude 
                        other topic types and disallow nesting     -->
<!ENTITY % concept-info-types 
                        "concept"                                    >


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<!--                    DOMAINS ATTRIBUTE OVERRIDE                 -->
<!-- ============================================================= -->
<!--                    Must be declared ahead of the DTDs, which
                        puts @domains first in order               -->

<!ENTITY included-domains 
                        "&ui-d-att; &hi-d-att; &pr-d-att; &sw-d-att;
                         &ut-d-att; &indexing-d-att;"                >


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<!--                    TOPIC ELEMENT INTEGRATION                  -->
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<!--                    Embed topic to get generic elements        -->
<!ENTITY % topic-type   PUBLIC 
"-//OASIS//ELEMENTS DITA Topic//EN" 
"topic.mod"                                                          >
%topic-type;


<!--                    Embed concept to get specific elements     -->
<!ENTITY % concept-typemod 
                        PUBLIC 
"-//OASIS//ELEMENTS DITA Concept//EN" 
"concept.mod"                                                        >                                                     
%concept-typemod;


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<!--                    DOMAIN ELEMENT INTEGRATION                 -->
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<!ENTITY % ui-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA User Interface Domain//EN" 
"uiDomain.mod"                                                       >
%ui-d-def;

<!ENTITY % hi-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA Highlight Domain//EN" 
"highlightDomain.mod"                                                >
%hi-d-def;

<!ENTITY % pr-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA Programming Domain//EN" 
"programmingDomain.mod"                                              >
%pr-d-def;

<!ENTITY % sw-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA Software Domain//EN" 
"softwareDomain.mod"                                                 >
%sw-d-def;

<!ENTITY % ut-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA Utilities Domain//EN" 
"utilitiesDomain.mod"                                                >
%ut-d-def;

<!ENTITY % indexing-d-def     PUBLIC 
"-//OASIS//ELEMENTS DITA Indexing Domain//EN"
"indexingDomain.mod"                                                 >
%indexing-d-def;

<!-- ================== End DITA Concept DTD  ==================== -->