Subject: RE: [xsl] Need test for preceding-sibling From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 23 Apr 2009 22:16:13 +0100 |
> I need to ensure that each <a2> has a preceding <a1>, every $a2 in a2 satisfies exists($a2/preceding-sibling::a1) or more consisely (and in XPath 1.0 syntax) not(a2[not(preceding-sibling::a1)]) Michael Kay http://www.saxonica.com/ > although there may be intervening tags. I know that > > name(preceding-sibling::*[1] > > gives me the name of the first preceding sibling, but how do > I construct a test that gives me only the first preceding > <a1> or <a2> tag? > > Thanks, > Dave
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