Re: Trimming (formatting-only) leading tabs/spaces fro
On Wed, Jun 8, 2011 at 9:15 AM, Abel Braaksma <abel.online@xxxxxxxxx> wrote: > Hi Philip, > > Not sure whether this makes sense for your use case, but when considering > white space in XSLT, you should also consider that the XSLT can be used as > input document for the same or other XSLT as well. This is not uncommon. > And, of course, any XSLT can contain XML segments not related to XSLT which > may fall under the same rules as normal XML when it comes to white space > significance. There's certainly some complexity here that I need to consider/test fully. Michael Kay's XSLT Programmers Reference (4th edition) has 9 pages dedicated to whitespace handling, beginning with: "Whitespace handling can be a source of considerable confusion." So there are challenges to say the least. On XML Segments: The concept provides generic XML editing capabilties, there's just special consideration when trimming XSLT instructions. > Keeping into consideration that the XSLT file should be treated as if it > were any ordinary input XML (or worse, input text document, heaven forbid!) > with all its quirks might make whitespace handling harder than it first > seems when just looking at the XSLT itself. > Seen as an input text document (perhaps by a diff tool) there are issues that have workarounds (such as reinserted trimmed formatting at a later stage), but they're issues nonetheless. For XML-aware handling I'm hopeful that things will be more manageable, because whitespace issues are anticipated by XML systems and they have more context when they encounter whitespace. Phil fearon http://qutoric.com
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