Re: xpath processing brain dead

Peter Eisentraut wrote:
> Andrew Dunstan wrote:
>> can you point me at any call in libxml2 which will evaluate an xpath 
>> expression in the context of a nodeset instead of a document? Quite 
>> apart from anything else, xpath requires there to be a (single) 
>> context node (see http://www.w3.org/TR/xpath20/#context ). For a doc, 
>> we set that node to the document node, but what would it be for a 
>> node-set or a fragment? If we can't get over that hurdle we're 
>> screwed in pursuing your line of thought.
>
> Which may hint at the fact that running xpath on content fragments is 
> ill-defined to begin with?!?
>

Right. But that's no excuse for what we have been doing, which was 
demonstrably providing false results on good input.

cheers

andrew