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Subject: RE: [xsl] Unknown variables in XPATH (2.0) From: "Michael Kay" <mhk@xxxxxxxxx> Date: Sat, 13 Mar 2004 22:31:29 -0000 |
#
# Yes, but that isn't what is wanted by the user in question.
# It's a case of boolean-valued environment variables, to indicate
# certain products are installed. Most people don't bother to define
# such an environment variable on their system, to indicate they haven't
# installed the product, so false() is the natural default in this case.
It would be much better to meet that requirement through an extension
function xx:is-installed('product-name').
Michael Kay
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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