[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Confused about & in entity literal
roddey@u... wrote: > That's what got me confused in the first place. My original implementation was > just to ignore ampersands in the original scan of the entity value. Be sure to greedily expand character references, though; the ability to define "lt" and the like depends on that ability. > But, if raw > ampersands are not allowed, then I'm just asking whether I'm obligated to prove > that any ampersand is at least provisionally part of a general entity (even if > it later turns out not to be a legal one) during the scan of the entity value. BNF rule 9 says that EntityValues can't contain random & except as part of a well-formed PEReference or Reference, so it's a WF error (which you must catch) to have them, even if the entity is never referenced. All you actually have to do is to ensure that the next character (if not #, see above) is a NAMESTRT character, and that all characters until ; are either NAME or NAMESTRT characters. There is no need (and in fact it is forbidden) to look up the supposed entity name anywhere. -- John Cowan http://www.ccil.org/~cowan cowan@c... You tollerday donsk? N. You tolkatiff scowegian? Nn. You spigotty anglease? Nnn. You phonio saxo? Nnnn. Clear all so! 'Tis a Jute.... (Finnegans Wake 16.5) xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ and on CD-ROM/ISBN 981-02-3594-1 To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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