[luatex] multiple callbacks

[Hans Hagen]

Taco Hoekwater wrote:
> Hans Hagen wrote:
>>>
>>> I'm not defending this option strongly, but I think it's a simple 
>>> one, and I think it would work.
>>>
>>> What do you think about that?
>>
>> the proeblem with such solutions is that even then style developers 
>> would run into problems due to priorities; also, it add overhead and 
>> complications that we'd like to avoid (one would need remove code etc 
>> too)
> 
> That is exactly what Elie said.

sure, but hardcoding a multiple handler in the luatex kernel does not 
solve that problem since one still needs to agree on the order and 
priorities then; therefore a solution in lua code (in the macro package) 
can provide a similar solution; for context we have such a wrapper 
(prioritizer) already [currently rather interwoven] and i suppose that 
one can write for latex etc; but the most important aspect is that for a 
specific macro package the style writers agree on some order (luatex 
cannot solve that for you)

Hans


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