[tex4ht] xmllint calls, so many

Karl Berry karl at freefriends.org
Fri Jun 5 23:31:31 CEST 2020

There are tons of calls to xmllint on every individual file.
It is annoying (and slow) to get those hundreds of lines of output that
everything's ok every time.

1) I wonder if we really care. But I guess it is good to check that
what's generated is valid.

2) In which case, I wonder if there is any feasible way to combine calls
to reduce the number of invocations and amount of output. xmllint
supposedly takes more than one file.

Unfortunately from a quick look it is invoked from tex4ht.env[-unix] and
it is only set up to do one file. Michal, have you roamed around in this
area at all? Any ideas? --thanks, karl.

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