Subject: RE: [xsl] XSLT2 Character Maps From: "Michael Kay" <mhk@xxxxxxxxx> Date: Sat, 24 Jul 2004 15:36:53 +0100 |
Interesting idea, but I think the WG would probably now file it under "interesting ideas for 3.0". We want to finish, and are trying very hard to resist new features however tempting. Michael Kay > -----Original Message----- > From: Christian Roth [mailto:roth@xxxxxxxxxxxxxx] > Sent: 24 July 2004 12:54 > To: XSL List > Subject: [xsl] XSLT2 Character Maps > > Hi, > > I've had a look at XSLT 2's character maps feature. In the tool I am > working on (upCast from infinity-loop), we have that very concept > implemented now for several releases and added some > convenience options > (like the ability to easily define a range of Unicode positions that > should be output as numerical decimal/hexadecimal entities) - > but that's > not the issue here. > > The point is that we resp. some of our users also use > character maps to > create (mainly empty) elements in the output. For example a > line in our > maps like > > 0x2028="<linebreak/>" > > creates a linebreak element in the output for every instance > of Unicode > character 
. The problem that arises for us is > attribute values: > If these contain a 0x2028 character, they get malformed: > > <element attr="a
b"> > gets > <element attr="a<linebreak/>b">, > > which is not valid XML. > > From what I see, character maps in XSLT2 do not provide a way > to specify > different character mappings for text and attribute nodes, so > it is not > possible to only replace 0x2028 with <linebreak/> in text > nodes, but not > in attribute nodes. > > We therefore consider adding additional flags for each > character mapping > rule in our character map implementation that lets the user specify > whether the rule should be applied to > > - text nodes > - comment nodes > - attribute nodes > > or any combination of these, with additional ones being added > if needed. > Have similar thoughts been given to XSLT2's character maps, or am I > simply overlooking something obvious? > > Kind regards > Christian
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