+++ /dev/null
-<?xml version="1.0" encoding="iso-8859-1"?>
-
-<!ELEMENT publication (title,author*,where,html?)>
-<!ELEMENT title (#PCDATA)>
-
-<!-- name,surname must be provided iff the "file" attribute is not provided -->
-<!ELEMENT author (name,surname)?>
-<!ATTLIST author
- file CDATA #IMPLIED>
-
-<!ELEMENT where (#PCDATA)>
-<!ELEMENT name (#PCDATA)>
-<!ELEMENT surname (#PCDATA)>
-
-<!ELEMENT html EMPTY>
-<!ATTLIST html
- file CDATA #REQUIRED>