Subject: Re: bug#41905: Small change: In Customize, display name with with spaces, but keep symbol name underneath.

From: Lars Ingebrigtsen <[email-masked]>
Date: Tue, 08 Sep 2020 22:50:52 +0200

Juri Linkov <[email-masked]> writes:

>>>> (concat (propertize "f" 'display "F")
>>>>         "ill"
>>>>         (propertize "-" 'display " ")
>>>>         (propertize "c" 'display "C")
>>>>         "olumn")
>>>
>>> Actually I meant not concat, but set-text-properties:
>>>
>>> (let ((name "fill-column"))
>>>  (set-text-properties 0 1 '(display "F") name)
>>>  (set-text-properties 4 5 '(display " ") name)
>>>  (set-text-properties 5 6 '(display "C") name)
>>>  (insert name))
>>
>> Why not concat?  I think the end result is the same?
>
> No difference, indeed :)  But set-text-properties is cleaner:
> we have a string and add properties to it.

Yeah, but that's what propertize does, too.  Only less verbosely.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no