[luatex] macro definition inside a callback

Arno Trautmann Arno.Trautmann at gmx.de
Sun Sep 16 12:27:51 CEST 2012

Khaled Hosny wrote:
> On Fri, Sep 07, 2012 at 08:03:52AM +0200, Arno Trautmann wrote:
>> Hi all,
>> maybe a somewhat strange question again from me: Is it possible to
>> define a macro inside the *_linebreak_filters? I want to use a
>> function in the pre_linebreak_filter, and this function should
>> define a macro. So the macro should be present with a new definition
>> at the beginning of the next paragraph, but only if the previous one
>> has been typeset with that function registered, which removes itself
>> after running.
> Why not use some global variable that can be set/checked as appropriate?

Yes, I did it that way now. Still, it would be nice to have the 
possibility. Therefore, I will check Paul's solutions (thanks for that!) 
when I have time to.


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