Question

My XML may contain multiple param entries, each with key and value attribute likes this:

<entry id="entry1">
    <classParams>
       <param key="pluginid" value="monitorPlugin" />
       <param key="pluginid2" value="monitorPlugin2" />
    </classParams>
</entry>

AND/OR one single classParams only containing one string like this:

<entry id="entry2">
    <classParams>
      Im a string
    </classParams>
</entry>

My DTD:

<!ELEMENT classParams ( #PCDATA | param* )* >
<!ATTLIST id CDATA #REQUIRED value CDATA #REQUIRED >
<!ELEMENT param ( #PCDATA ) >

How do I define my DTD correctly, concerning the two entry types and the attribute definition for only one type?

Answer 1

I made it with this definition. I now only use id and put the value in param.

<!ELEMENT classParams ( #PCDATA  | param )* >
         <!ELEMENT param ( #PCDATA ) >
         <!ATTLIST param 
            id CDATA #REQUIRED
         >