It's beginning to look as though something in one of my xml documents
has been removed part-way through my use of it.

I am trying to discover exactly what is happening but I have a question
about how ruby and C objects interact within libxml.

My understanding is that a mapping is maintained between the C objects
and the ruby objects, and any pointer problems should be due to this map
being in some way incorrect, or incomplete.

Given that I am using both the xml and xsl libraries, and am using
significant numbers of xpath expressions, is it possible that an xml
object (object1) from the xsl library becomes known to the ruby xml
library mappings through an xpath expression?  In this case, wouldn't
the mapping within libxml show that the object has no references and can
therefore be freed, even though there are references from the xsl side
of things?

To put it another way, is there any integration of the mapping mechanism
between libxml and libxsl, and if not should there be?

__
Marc

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