VoiceXML 2.1: overriding parameter entities

Dear Voice Browser Working Group,

  http://www.w3.org/TR/2005/CR-voicexml21-20050613/ appendix C.1 states
"The DTD subset must not be used to override any parameter entities in
the DTD." It's not clear why this is required, it's seems acceptable to
modify e.g. ATTLIST declarations and other parts of the DTD and it is
not required that VoiceXML 2.1 are valid XML documents; it's difficult
to verify whether this requirement is satisfied, I would suggest to drop
it.

regards,
-- 
Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de
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