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Subject: xlink:hrefs (ODF all versions)
Dear all, Throughout ODF, the xlink:href attribute is used to point to resources. * Some of the time it is not stated what syntax this attribute value shall have. Presumably it is an IRI or URI Reference. It should be clearly and consistently stated. * What is the base for resolution of relative references (assuming they are allowed). * Any re-basing facilities? Can an xml:base be incorporated/respected? * Often it is mentioned such attributes specify a "file". Is it really a restriction then that "files" only can be referenced, or are more kinds of resource permitted? * Sometimes the XLink spec is ignored and the attribute can contain arbitrary information such as in 18.912.21 where it can contain "information on how to make a connection to a database". (It is also a defect that this "information" is not specified here). * Presumably on occasions there are further restrictions on the MIME type of the referenced resource and/or rules for how the returned information is to be processed. A thorough pass needs to be made of the ODF spec making sure these issues are resolved for every mention of the xlink:href attribute. Note that if the W3C's namespace is used, no substantive deviation from their recommendation[1] is permitted (or, at least, W3C and JTC 1 will not be very likely to permit it). If it is desired to deviate from the existing standard, a different Name has to be used. [1] http://www.w3.org/TR/xlink/#link-locators - Alex.
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