Re: info faces for strings and quotations

[David Kastrup <dak@gnu.org>]

storm@cua.dk (Kim F. Storm) writes:

> Stefan Monnier <monnier@iro.umontreal.ca> writes:
>
>>> 2. The pb of not interpreting " to begin a string if it is escaped (\") is
>>> no doubt fixable, at the risk of complicating the regexp. Suggested fixes
>>> welcome.
>>
>> Prefix the regexp with "\\(^\\|[^\\]\\)\\(\\\\\\\\\\)*".  The (match-end) of
>> this regexp is guaranteed to not be preceded by an odd number
>> of backspashes.
>
> Wouldn't it be fairly trivial to enhance regex to recognize something like
>
>          \\\{0,e}
>
> meaning an even (possibly zero) number of \'es.
>
> (likewise for \{0,o}, meaning an odd number of (or no) \'es )

That's too ad-hoc.  Rather use \{0,,2} and \{1,,2}.

Anyway, it does not buy much that I can see here: you still need to
make sure that there is no leading \ before the expression in
question.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum