At 2010-02-20 21:40 +0530, Mukul Gandhi wrote:
On Sat, Feb 20, 2010 at 9:04 PM, Selvaganesh
<selvaganesh_t(_at_)hovservices(_dot_)in> wrote:
> <hov:template match="caseref">
I think, I noticed this earlier too in Selvaganesh's stylesheets :)
Couldn't resist to comment.
A prefix like, "hov" for XSLT language instructions is not a good
practice. Does anybody disagrees with this?
It is not unprecedented to use a prefix other than "xsl", and there
is certainly nothing wrong with it. Though it does break with
convention I can't think of a technical reason to deprecate it.
Using a prefix other than "xsl" is useful when writing stylesheets
that write stylesheets (especially based on the conventions of XSLT 1 engines).
The most common convention, is to use the prefix "xsl" for XSLT
language instructions. The XSLT spec, also uses the prefix "xsl"
within itself.
Only for documentary purposes ... there are no requirements to use that prefix.
Though, it is a common practice to have business specific namespaces
(URIs & prefixes) in the instance documents.
I find using specific prefixes is only useful in
documentation. There are 33 different namespaces in the UBL 2.0
vocabulary (55 and counting in UBL 2.1) and for consistency in the
documentation the UBL TC has adopted a collection of namespace
prefixes. But in no way do we require UBL users to use those
prefixes in their XML. Having a documentary convention helps the
human reader not have to constantly guess what namespace is being
referred to.
But such a convention is only useful to the human reader.
Any XML instance processing based on an expected prefix is wrong
because the process has no idea what prefixes the end user is going
to use in an arbitrary input XML document.
I hope this helps.
. . . . . . . . . . . . Ken
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