Aditya Mahajan wrote:
>> Perhaps this one could be already useable for the OP:
>>
>> function add_ties(line)
>> line = line:gsub('( %a) ', '%1~')
>> line = line:gsub('^(%a) ', '%1~')
>> line = line:gsub('( %a)$', '%1~%%')
>> return line
>> end
>>
>> Not working: $a = b + c$.
>
> How about substituting with a macro \nonbreakbablespace (instead of ~)
> and redefining \nonbreakablespace to \relax using \everymathematics or
> \mathortext?
and then ending up with the same mess as usual ... exceptions,
exceptions, exceptions ... just think of boxed text inside math which
then needs to have it enabled again
really, node lists is the way to go (although i admit that currently i
do not handle math (also because it's a big todo in luatex)
Hans
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