Sorry, that's in the cl-extra package.  You can change it to cl-map and it 
should work (it's autoloaded).  Alternately you can run (require 'cl) before 
running the function.  I've had that in my .emacs for so long, that I forgot 
about it.  I should have tested in emacs -q.  I apologize.

-Ivan

> On Aug 20, 2018, at 6:35 PM, Kourosh Kalayeh <[email protected]> wrote:
> 
> Ivan, thank you for email.
> 
> 
>> You can see what face it's using with the function below.  That might give 
>> some clues.
>> 
>> -Ivan
>> 
>> (defun fontification-at-point (p)
>>  (interactive "d")
>>  (sit-for 0)
>>  (message "Text properties: %s\nOverlays: %s"
>>           (text-properties-at p)
>>           (map 'list
>>                (lambda (ov)
>>                  (overlay-properties ov))
>>                (overlays-at p))))
>> 
> 
> I tried the function.  Emacs gives me the following error;
> Symbol’s function definition is void: map
> 
> I am no expert in Emacs, so I have no idea what the error is about.
> 
> Thanks
> Kourosh

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