GNU bug report logs - #48710
Retaining code highlighting (for defun, defvar) in outline mode

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Message #10 received at control <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: pauline-galea <at> gmx.com
Cc: 48710 <at> debbugs.gnu.org
Subject: Re: bug#48710: Retaining code highlighting (for defun, defvar) in
 outline mode
Date: Sun, 30 May 2021 00:55:10 +0300

tags 48710 notabug
close 48710 28.0.50
thanks

> Currently outline mode changes the colour of headings and subheadings.
>
> But I have noticed that elisp structures are also considered as headings.
> This results in some code highlighting problems for things like "defun"
> and "defvar" because the whole line gets a one colour highlighting in
> a way that is similar to a heading face.
>
> It would be better that elisp code structures retain the original code highlighting,
> but keep the ... at the end of the line to show that the code body is hidden.
> The ... could be highligted instead instead.
>
> For more flexibility, it would be beneficial to have a separate keybinding that toggles
> between showing the contents (body) of a code structure and hiding it, that is independent
> of headings.

It seems this is already implemented: when you customize
outline-minor-mode-highlight to a value 't' or 'append' (but not 'override'),
and also customize outline-minor-mode-cycle to t, then after
enabling outline-minor-mode, and typing S-TAB S-TAB on a heading
it keeps the ... at the end of lines, while
retaining the original code highlighting.

Please reopen this report, when you still see a problem
and can't get it working.

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