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> When an internal parameter entity is defined, you should scan the > entity value for: > > - character references (which you replace) > - parameter entity references (which you replace and rescan, following > these same rules) > - general entity references (which you check for syntactic correctness, > rejecting &*; for example, but don't replace). This is incredibly helpful. It is essentially the conclusion I had reached in my last email as well. I think I can finally fix everything now. And now that it seems so clear I wonder what it was that made me so confused-- maybe it was that I implemented general entities first and was transposing some of that behavior incorrectly onto PEs. > In theory you should check that an entity reference isn't to an > unparsed entity, but since you may not have seen the entity > declaration yet you might as well leave it until the reference would > be replaced (which can only be during the parsing of the instance, or > during the validation of an attribute default value). Hmm, are there any applications that check this without having a reference in the document? RXP for example? Thanks again, Jeff Rafter
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