···<date: 2012-12-14, Friday>···<from: Andre Caldas>···
> > \unexpanded\def\uncover[#1]%
> > {\ctxlua{
> > distance = simplesteps.distance_to_step(\!!bs#1\!!es)
> > ...
> > }}
> >
> > it works because the " is now only part of the string.
>
> Thanks. That's what I needed. I guess
> bs = begin string
> es = end string.
These expand to Lua long strings, [===[ and ]===] respectively,
without checking, so theoretically the same issue will arise iff
your string contains ]===]. I consider the likelihood for this to
happen to be too low to bother, but if you want to be absolutely
on the safe side you can also use \luaescapestring. See the
Luatex manual, section 2.3.6.
Philipp
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