1<!--
2This gets parsed without complaint:
3<!ELEMENT pfx:notes  ( #PCDATA | note | pfx:note )* >
4-->
5
6<!--
7This triggers a diagnostic:
8notes.dtd:13: validity error : Definition of notes has duplicate
9references of note
10<!ELEMENT pfx:notes  ( #PCDATA | pfx:note | note )* >
11-->
12
13<!ELEMENT pfx:notes  ( #PCDATA | pfx:note | note )* >
14
15<!ATTLIST notes
16	xmlns:pfx CDATA #FIXED 'http://namespace/uri/here'
17>
18<!ELEMENT note EMPTY >
19<!ELEMENT pfx:note EMPTY >
20