Re: format padding and text properties

[Eric Abrahamsen]

<tomas@tuxteam.de> writes:

> On Wed, Jun 22, 2016 at 01:38:16PM +0800, Eric Abrahamsen wrote:
>> I'm trying to pad out a string that has had a face applied to it, and
>> it's not quite going as I'd hoped. In a nutshell:
>>
>> (setq ss "bubba")
>> (put-text-property 0 (length ss) 'face 'my-face ss)
>> (format "%10s" ss)
>>
>> --> #("      bubba" 0 5 (face my-face))
>>
>> I'd like the face to stay with the actual string, not the spaces! Does
>> text property stickiness have anything to do with this? Does anyone have
>> any clever tips?
>
> This is remarkable. I didn't even know that text properties made it
> through format (admittedly in a strange way).
>
> Learnt something new today :-)

So you're saying I shouldn't expect this to Just Work? :)