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Subject: Namespace prefix in formula attributes
Robert Weir said: > Another simplification would be to drop the "of:" prefix > and say that formulas by default are formulas according to > this specification, and that only alternative formula languages > are required to be namespaced. That's gets rid of the attribute > namespaces altogether in the most usual case. Of course, all > vendors are using the default namespace in ODF 1.0 and ODF 1.1, > but this will be unambiguous, since ODF 1.2 documents will have > a 1.2 version tag, and we can distinguish implementation-defined > formulas in ODF 1.0, from default OpenFormula formulas in ODF 1.2. It's fine by me if we drop the "of:" prefix, as long as we avoid ambiguity. If we agree that an OpenDocument table:formula beginning with "=" is OpenFormula (and namespace names don't begin with =) it'll be unambiguous, and OpenFormula formulas always begin with an '='. This would mean that typical formulas would look like this: ... table:formula="=SUM([.A1:.B3])" ... We could still include a formula namespace if we want to be able to independently version the formula language from the spec. But if that's unnecessary, simply using the version attribute would suffice. --- David A. Wheeler
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