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bug#5105: 23.1; doc string of facemenu-set-face

From: Stefan Monnier
Subject: bug#5105: 23.1; doc string of facemenu-set-face
Date: Mon, 01 Aug 2011 20:29:07 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

>> How 'bout the other way around: give me a reason to accept strings.
> You're the one claiming that there is a good (even _obvious_) reason not to.
> What's the reason, if it's so obvious?

I'm not here to give software engineering courses, sorry.
But if you want, we can start from the very simplest: choice implies
performance and conceptual costs, so unless it's justified by actual
needs it's bad.
So we're back to "why do you think we should also accept strings?".

> And what about faces?  Can a given face have two different names?  We have

No, but two faces can have the same name.
And there can even be a face which has a unique name and yet `intern'
does not return the corresponding face.


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