I agree with the suggestions from both of you and have made the 
corrections. I have attached a new patch. Please let me know if you have 
further thoughts.

I will gladly sign a copyright assignment, if you point me to where I 
can do that.


On 04/09/2017 11:26 PM, Dmitry Gutov wrote:
> On 31.03.2017 06:16, Jonathan Ganc wrote:
>> +  (save-match-data
>> +    (let* ((default-directory (file-name-directory (expand-file-name 
>> file)))
>
> We don't require or expect that any particular function keeps the 
> match data intact. I don't think that save-match-data is needed here.
>
> Aside from this an Noam's comments, the patch is long enough to 
> require a copyright assignment. I didn't find yours on file.
>
> Will you sign one?