Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> Hmm. OK. Well here is a patch that tries to fix the xmlconcat error,
> anyway. It seems to work, but maybe could stand a little tightening.
I liked your previous idea (rethink the whole mess in 9.1) better.
As far as the patch itself is concerned, the complete lack of error
checks seems scary, and I wonder whether the case sensitivity and
lack of whitespace tolerance in the string comparisons is OK.
regards, tom lane