[luatex] callbacks in luatex 0.89

Hans Hagen pragma at wxs.nl
Sat Feb 13 12:55:35 CET 2016

On 2/12/2016 3:02 PM, Ulrike Fischer wrote:
> Am Fri, 12 Feb 2016 12:38:55 +0100 schrieb Hans Hagen:
>> injecting stuff (at the user level) in the input stream in an
>> uncontrolled way is messy anyway but if one really wants to do that, one
>> can easily kick in a callback when reading the file and then add
>> commands or whatever at unmarked script/language boundaries
> Easily? For you certainly. But could a normal context user do it?

It's not really a topic for this list (as it makes no sense to discuss 
context behaviour / philosophies here) but keep in mind that in context 
we don't expect users to mess at that level. If something typographical 
or cultural is needed we provide some (configurable) solution suited for 
that kind of situations. Requiring users to inject stuff in some hard to 
predict stage of the processing possibly interfering with all kind of 
other mechanism is not our policy.


                                           Hans Hagen | PRAGMA ADE
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