Grosso, Paul scripsit: > > The syntax bans any duplicate pseudo-attrs. > > No, syntax can't do that. Banning duplicate attributes is part > of the semantic processing. In the case of XML, it's a WFC > (WFC Unique Att Spec) which gets applied after the syntactic parsing. I think this is an overly limited understanding of "syntax"; I consider WFCs to be syntactic constraints that don't happen to be readily expressible in the BNF. > There is no a priori reason we need to ban duplicate pseudo-atts > before ignoring unknown ones. No, but it's not a silly idea either. -- How they ever reached any conclusion at all <cowan@ccil.org> is starkly unknowable to the human mind. http://www.ccil.org/~cowan --"Backstage Lensman", Randall GarrettReceived on Friday, 17 July 2009 16:22:03 GMT
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