[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XInclude language fixup
You are not the first spec writer that thought he wrote a section to mean one thing but later found he had to interpret the language a different way! On 2/11/2023 12:56 PM, Norm Tovey-Walsh wrote: Hello world, Following up on a bug report (only tangentially related), I find myself reading https://www.w3.org/TR/xinclude-11/#language again and I’m having trouble working out what’s intended (yes, I know I was the editor for 1.1, but it was a long time ago and it’s remarkable how much specification prose that is “obvious” when you write it and review it can lose its obviousness over time). In particular, I’m trying to work out if/when the value of xml:lang is the empty string. Suppose I have: <doc xmlns:xi="http://www.w3.org/2001/XInclude" xml:lang="en"> <xi:include href="en.xml" fragid="element(/1/1)"/> <xi:include href="de.xml" fragid="element(/1/1)"/> <xi:include href="xx.xml" fragid="element(/1/1)"/> </doc> where en.xml is: <chap xml:lang="en"><p>English</p></chap> de.xml is: <chap xml:lang="de"><p>Deutsch</p></chap> and xx.xml is: <chap><p>Something</p></chap> After XInclude processing, if xml:lang fixup is performed, the first two paragraphs are obvious, I think: <doc xmlns:xi="http://www.w3.org/2001/XInclude" xml:lang="en"> <p>English</p> <p xml:lang="de">Deutsch</p> … </doc> But what about the third? I can’t decide if 4.7.6 says it should be <p xml:lang="">Something</p> or if 4.7.6. only admits the possibility that I might have specified <chap xml:lang="sp"><p xml:lang="">Something</p></chap> to reset the paragraph to, I guess, the “default” value. My XInclude processor currently produces <doc xmlns:xi="http://www.w3.org/2001/XInclude" xml:lang="en"> <p xml:lang="en">English</p> <p xml:lang="de">Deutsch</p> <p>Something</p> </doc> I’m not too worried about the redundant xml:lang on first paragraph, it seems harmless. But should I put xml:lang="" on the last paragraph? I think the answer is “yes” but I wonder if anyone else feels strongly that I’m wrong. FWIW, I’m also confused about the last paragraph in that section: If an xml:lang attribute information item is already present, it is replaced by the new attribute. How is that ever going to happen? I think that’s just…incoherent. Be seeing you, norm -- Norman Tovey-Walsh <ndw@nwalsh.com> https://nwalsh.com/Change is a dangerous game, but one you have to play.
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