Re: Small fix in `shell--unquote&requote-argument' - please review

[Stefan Monnier]

>>> 1. match is always less than (length str), so I guess they meant
>>> `((< (1+ match) (length qstr))'.
>>> 2. If `string-match' searching for ending single quote failed,
>>> `(match-string 0)' is still called - be careful not to do this.
>> Do you have corresponding recipes to trigger the corresponding errors
>> (so we could write tests)?  This part of my code is in dire need of
>> tests, otherwise it's much too easy to introduce regressions.
> Honestly, no, I found this when studying the code.

Hmm... would you be able to artificially construct or describe a failing
case, then?  Part of the issue is that I don't remember the code well
enough, so while your description makes some sense, I'm having
difficulty understanding really what the change does.


        Stefan