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Re: Should mode commands be idempotent?

From: John Wiegley
Subject: Re: Should mode commands be idempotent?
Date: Tue, 19 Sep 2017 16:50:50 -0700
User-agent: Gnus/5.130016 (Ma Gnus v0.16) Emacs/25.2.50 (darwin)

>>>>> "PS" == Philipp Stephani <address@hidden> writes:

PS> I think it's generally expected that mode commands (both major and minor)
PS> are reasonably idempotent, i.e. calling them twice should have the same
PS> effects as calling them once (unless using 'toggle, of course). However, I
PS> couldn't find this requirement in the manual, should it be added to the
PS> "Modes" section?

Actually, I'm used to turning off minor modes by just calling their mode
function a second time...

John Wiegley                  GPG fingerprint = 4710 CF98 AF9B 327B B80F
http://newartisans.com                          60E1 46C4 BD1A 7AC1 4BA2

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