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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: What is a "superior mode"?
Date: Wed, 10 Mar 2021 05:26:53 +0200	[thread overview]
Message-ID: <83h7ljpu2q.fsf@gnu.org> (raw)
In-Reply-To: <874khkyqgs.fsf@mbork.pl> (message from Marcin Borkowski on Tue,  09 Mar 2021 22:20:03 +0100)

> From: Marcin Borkowski <mbork@mbork.pl>
> Date: Tue, 09 Mar 2021 22:20:03 +0100
> Cc: Help Gnu Emacs mailing list <help-gnu-emacs@gnu.org>
> 
> >>   -- Function: prog-first-column
> >>       Call this function instead of using a literal value (usually, zero)
> >>       of the column number for indenting top-level program constructs.
> >>       The function’s value is the column number to use for top-level
> >>       constructs.  When no superior mode is in effect, this function
> >>       returns zero.
> >> What is a "superior mode" (and a "sub-mode", for that matter)?
> >
> > It refers to a "multiple major modes" situation. Like Python embedded
> > in HTML, that sort of thing. Or C inside Latex.
> 
> Yeah, I know now.  But: are "multiple modes" supported by core Emacs?

Those facilities are some simple infrastructure in support of such
modes.



  parent reply	other threads:[~2021-03-10  3:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-09  4:54 What is a "superior mode"? Marcin Borkowski
2021-03-09  7:19 ` Philip Kaludercic
2021-03-09 11:54 ` Dmitry Gutov
2021-03-09 21:20   ` Marcin Borkowski
2021-03-09 21:37     ` Dmitry Gutov
2021-03-09 21:49     ` Stefan Monnier
2021-03-10  7:07       ` Marcin Borkowski
2021-03-10  3:26     ` Eli Zaretskii [this message]
2021-03-09 12:49 ` Eli Zaretskii
2021-03-09 21:19   ` Marcin Borkowski

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