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From: Drew Adams <drew.adams@oracle.com>
To: Stefan Monnier <monnier@iro.umontreal.ca>, help-gnu-emacs@gnu.org
Subject: RE: Why is `emacs' a feature?
Date: Sun, 18 Oct 2020 08:19:55 -0700 (PDT)	[thread overview]
Message-ID: <e1dee4c8-1ee2-4749-98c8-77b6f347d2ec@default> (raw)
In-Reply-To: <jwvh7qrmzbn.fsf-monnier+emacs@gnu.org>

> > Why is (featurep 'emacs) true?
> 
> Historically, `emacs` was added as a feature as a consequence of
> `xemacs` being a feature.  IIRC it was felt that you shouldn't have
> to say (not (featurep 'xemacs)) to test "is this the true Emacs?".
> 
> As for why `xemacs` was added as a feature, I don't know.
> It was probably to provide a cleaner alternative to
> (string-match "..XEmacs.." emacs-version).

Thank you.

The question was raised here, in the context of
`use-package':

https://emacs.stackexchange.com/q/61276/105




      reply	other threads:[~2020-10-18 15:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-18  1:42 Why is `emacs' a feature? Drew Adams
2020-10-18  1:58 ` Emanuel Berg via Users list for the GNU Emacs text editor
2020-10-18 13:40 ` Stefan Monnier
2020-10-18 15:19   ` Drew Adams [this message]

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