[xml] xmlXPathRegisterVariableLookup()



Hi everyone,
I am trying to develop an app where I need to provide variables to XPath
expressions. For this purpose I found xmlXPathRegisterVariableLookup()
but the function provided is never called.
I checked that (xmlXPathContextPtr ctx) ctx->varLookupFunc and
ctx->varLookupData have actually been set.
I also checked that the XPath expression being evaluated actually
contains an XPath-Variable.
Any clues on what may be going on?

TTY Philipp
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Philipp Dunkel <philipp dunkel org>
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