bug#63272: 29.0.90; xref fails on long lines

[Juri Linkov]

>>> 2. Try to search a regexp that matches the whole long line, e.g.
>>>
>>> C-x p g a.*c RET
>>>
>>> Debugger entered--Lisp error: (error "Stack overflow in regexp matcher")
>>
>> That seems to be a problem with/limitation of the regexp engine that is
>> not immediately related to (displaying) long lines.  After (setq
>> long-line-threshold nil) you will get the same error.
>
> By the way, you may want to have a look at bug#61514, in which such
> problematic regexps are discussed.

Thanks for the reference, I see it's fixed, and I can't find more problems.