<!-- DTD for index (a list of files and directories) -->

<!-- ENTITY DECLARATIONS -->

<!-- Lang attribute value -->
<!ENTITY % Lang "(en|de|es|fr|nl)">

<!-- Entry type -->
<!ENTITY % entry.type "(dirname|filename)">

<!-- ELEMENT DECLARATION -->

<!-- Root database element -->
<!ELEMENT index (title+,entry+)>
<!ELEMENT title (#PCDATA)>
<!ATTLIST title
          xml:lang NMTOKEN #IMPLIED
 >

<!-- Entry details -->
<!ELEMENT entry (name*, %entry.type;, synonym*, abbrev*, comments*, authors, date)>
<!ATTLIST entry
          id CDATA #IMPLIED
 >

<!-- Name describing the entry -->
<!ELEMENT name (#PCDATA)>
<!ATTLIST name 
          xml:lang NMTOKEN #IMPLIED
 >

<!-- name of the directory or the filename -->
<!-- directory name -->
<!ELEMENT dirname (#PCDATA)>

<!-- file name -->
<!ELEMENT filename (#PCDATA)>

<!-- Synomyms of the name.
     Each synonym can be localized by using the right lang attribut -->
<!ELEMENT synonym (#PCDATA)>
<!ATTLIST synonym
          xml:lang %Lang;  "en"
 >

<!-- Abbreviation of the name.
     The same abbreviation can be used in many languages. -->
<!ELEMENT abbrev (#PCDATA)>

<!-- Comments about the entry -->
<!ELEMENT comments (#PCDATA)>
<!ATTLIST comments
          xml:lang %Lang;  "en"
 >

<!-- Comment describing people who's worked on this entry -->
<!ELEMENT authors (#PCDATA)>

<!-- Date of the last entry uptade -->
<!ELEMENT date (#PCDATA)>