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

[Filipp Gunbin <fgunbin@fastmail.fm>]

Stefan,

On 01/09/2016 09:39 -0400, Stefan Monnier wrote:

>>>> 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.

Yep, I'll try.

Filipp