Duplicate ids in tables in different documents cause a problem

'maven pdf' in struts/current/taglib results in:

[java] [ERROR] file:/e:/svn/struts/current/taglib/target/pdf/project.fo:9279
:1971 The id "#define_id" already exists in this document

The offending anchors are coming from Taglib Reference pages generated
by the taglib plugin, so this isn't something I can modify in our docs
to remove the duplicate. It's happening because both <bean:define>
and <nested:define> have an 'id' attribute.

In http://marc.theaimsgroup.com/?t=113168444200003&r=1&w=2, Lukas replied:

"I'm afraid you hit another bug here. I was a bit puzzled first because
the corresponding id's came from different source documents and
identical id's are only a problem within one xdoc. However, in your case
the anchors appear in a table, and apparently somewhere in the xslt
stylesheet we loose the reference to the current document when
processing tables."