David Kastrup <[email protected]> writes:
>> Isn't the syntax "\\[[^]]\\{0,1000\\}\\<label"? I tried going up to
>> a maximum of 30000 and it still didn't overflow, so I think that's an
>> appropriate fix (say, maybe 2000 instead of 1000 to be extra safe).
>> Feel free to change `reftex-label-regexps' accordingly.
>>
>> Interestingly, "x\\{0,40000\\}" gives an error:
>>
>> (invalid-regexp "Invalid content of \\{\\}")
>>
>> So there seems to be a (pretty random) limit...
>
> I'd guess that the regexp library translates this into a "short", so
> the limit would be SHORT_MAX, namely 32767.
(re-search-forward "x\\{0,32767\\}") => works
(re-search-forward "x\\{0,32768\\}") => error
Yup, of course you're right.
Anyway, I'm closing this bug with the recent emacs/reftex commit which
looks at a label=... at most 2000 chars after the opening [.
Bye,
Tassilo
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