Rothgar, were you going to put a newer UIBuilder on the patch server?
I was just trying to look at some new things and it looks like the eq2ui_mainhud_persona.xml window (version 2.0.0 dated 11/2/2007) completely breaks it. This happens with the UIBuilder version 1.3.0.0 from 11/18/2005 and version 1.3.0.0 from 9/26/2007.
I think the XML parser breaks on line 98 from the strings like 

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