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Subject: Conformance for documents?
Greetings! While reading chapters 1-5 today in a waiting room, ;-), I realized something that we have at least partially discussed but that remains unresolved for the formula work. Granting that in my view we need to consolidate the various requirements for "applications," we also need to define what it means for a document to conform to OpenFormula. For example, under basic limits we say: > Applications *shall* support formulas up to at least 1024 characters > long, as measured when in ODF interchange format not counting the > square brackets around cell addresses, or the “.” in a cell address > when the sheet name is omitted. > OK, so for a minimal ODF document that contains a formula, it must at least allow a formula of up to 1024 characters (I am not sure what "ODF interchange format means) "not counting the square brackets around cell addresses, or the “.” in a cell address when the sheet name is omitted." That is something that could be said about a document and the application that produces it. (I am assuming that the producer of a document doesn't necessarily have the capacity to process such a formula, but that it can insert it in appropriate locations.) But then skip a couple of limits and we find: > 1. > > Applications *shall* support at least 7 nesting levels of functions. > Err, I suspect based on 5.2 Basic Expressions that the nesting is of expressions? Correct? Moreover, for a document conformance means up to seven nested expressions, but that doesn't mean that the document producer or consumer does anything with them. Yes? I suppose another way to frame this is that the conformance requirements for an OpenFormula "application" are different from documents that carry expressions, etc., that conform to the syntax and semantics of OpenFormula. It should be possible to pass OpenDocument documents with OpenFormula conformant formulas to and through ODF 1.2 conformant applications that don't understand or process the formulas. All those applications must do is preserve the formulas that they don't process or understand. Yes? Hope everyone is having a great day! Patrick -- Patrick Durusau patrick@durusau.net Chair, V1 - US TAG to JTC 1/SC 34 Convener, JTC 1/SC 34/WG 3 (Topic Maps) Editor, OpenDocument Format TC (OASIS), Project Editor ISO/IEC 26300 Co-Editor, ISO/IEC 13250-1, 13250-5 (Topic Maps)
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