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Re: Attribute names when calling face-attribute

From: Emanuel Berg
Subject: Re: Attribute names when calling face-attribute
Date: Thu, 13 Jan 2022 02:36:54 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

fatiparty--- via Users list for the GNU Emacs text editor wrote:

>> You can do 
>>  (and (integerp height) height)
>> to make sure it crashes on bogus data. This is better than to
>> have it almost always crash on bogus data ...
> Have changed like this, with (* glyph-size ricci-scale).  This seems to work.
> I think that glyph-size should be a defined variable, rather than using 
> "height"
> as height seems to be only an attribute for the height of the font.
> (defun ricci-size (glyph-size)
>   "Return integer SIZE of superior and inferior glyph.
> GLYPH-SIZE  Typeface height. Integer at 1/10 the point size.
> Not smaller than value set by `ricci-minsize'."
>   (ceiling
>      (max
>         (if (integerp ricci-minsize)
>             ricci-minsize
>           (condition-case nil ; for bootstrapping
>               (* ricci-minsize (face-attribute 'default :height))
>             (error 0)) )
>         (* glyph-size ricci-scale)) ))  ; assumes height is integer.
> I plan to allow floating point values, but that requires some thought. 


What's with all the NO-BREAK SPACEs?

Remove please ...

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