[luatex] callbacks in luatex 0.89

[Ulrike Fischer]

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?


-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/