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What is a "superior mode"?
From: |
Marcin Borkowski |
Subject: |
What is a "superior mode"? |
Date: |
Tue, 09 Mar 2021 05:54:45 +0100 |
User-agent: |
mu4e 1.1.0; emacs 28.0.50 |
Hi all,
the Elisp reference says (in the "Mode-Specific Indent" node):
-- 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)?
TIA,
--
Marcin Borkowski
http://mbork.pl