Signs on the Sand

At last some good news. Streaming subset of XInclude I was talking about gets blessing from the W3C XML Core WG. Here is what Jonathan Marsh (MSFT, editor of XInclude) writes:

It appears to be impossible to improve streamability without removing functionality from XInclude. The WG decided instead to bless a kind of "streamable subset" by adding text along these lines:

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The abscense of a value for the href attribute, either by the appearance of href="" or by the absence of the href attribute, represents a case which may be incompatible with certain implementation strategies. For instance, an XInclude processor might not have a textual representation of the source infoset to include as parse="text", or it may be unable to access another part of the document using parse="xml" and an xpointer because of streamability concerns. An implementation may choose to treat any or all absences of a value for the href attribute as resource errors. Implementors should document the conditions under which such resource errors occur.
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New version of XInclude spec is going to be published soon. As they are slightly changing syntax again (removing accept-charset attribute), I think it will be Working Draft again.

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