[Mono-dev] Patch: XSLT thread safety

[Joshua Tauberer]

 From time to time I encounter index out of range errors in 
Mono.Xml.Xsl.XslSortEvaluator during my multi-threaded use of a single 
XSLT transform object, which I think was due to modifying the state of a 
XslSortEvaluator object during the processing of a document.

I'm pretty sure the attached patch fixes the problem. At the least it 
didn't make things worse for me.

I can commit if it's ok, though I don't know/remember how to run the 
XSLT tests so I haven't done that. Pointers welcome.

-- 
- Josh Tauberer

http://razor.occams.info

"Yields falsehood when preceded by its quotation!  Yields
falsehood when preceded by its quotation!" Achilles to
Tortoise (in "Godel, Escher, Bach" by Douglas Hofstadter)
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