1. PRD prohibits member (#) in rule heads. Core allows it. I think Core must follow PRD here. 2. PRD and Core allow frame properties to be TERMs, i.e. Frame ::= TERM '[' (TERM '->' TERM)* ']' This is likely to be a problem for most production rule engines. It would be much easier if Frame ::= TERM '[' (Const'->' TERM)* ']' -- Cheers, Gary HallmarkReceived on Thursday, 7 May 2009 23:37:32 UTC
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