bug#61340: 29.0.60; Extra space in xref buffer

[Juri Linkov <juri@linkov.net>]

close 61340 30.0.50
thanks

>> @@ -1108,7 +1108,7 @@ xref--insert-xrefs
>>                                      maximize (xref-location-line
>>                                                (xref-item-location xref)))
>>              for line-format = (and max-line
>> -                                  (format "%%%dd: " (1+ (floor (log max-line 10)))))
>> +                                  (format "%%%dd:" (1+ (floor (log max-line 10)))))
>>              with item-text-props = (list 'mouse-face 'highlight
>>                                           'keymap xref--button-map
>>                                           'help-echo
>> ```
>
> This was originally an effort to give the outputted text some "breathing
> room", and I think it looks a little better.

Indeed, it looks better but unfortunately at the cost of caused ambiguity.
I guess this is the reason why Grep and Occur don't add space.

> But if it can cause problems sometimes, I don't mind the proposed
> change. After all, both Grep and Occur don't have this space, and
> consistency is good.

Thanks, so now pushed to master.