bug#36486: [PATCH] Add tests for text-property-search to check prop-match-value

[Juri Linkov]

>> +   (let* ((property (completing-read "Search for property: " obarray))
>> +          (property (when (> (length property) 0)
>> +                      (intern property obarray)))
>> +          (value (when property
>> +                   (completing-read "Search for property value: " obarray)))
>> +          (value (when (> (length value) 0)
>> +                   (intern value obarray))))
>
> Hm...  well, the value doesn't have to be a symbol, so I don't think
> this is quite right -- it could be a string, or, well, anything.  I
> think that's why it doesn't prompt for value in the interactive form,
> because it didn't seem useful.

But searching for a certain font-lock face value is the most useful
application of this command.  How do you do that?