oni-outline: Add

This configures ‘outline-minor-mode’ and will configure ‘outline-mode’ in the
future as well.

1 files changed, 38 insertions, 0 deletions

diff --git a/oni-outline.el b/oni-outline.el
new file mode 100644
index 0000000..4d12073
--- /dev/null
+++ b/oni-outline.el
@@ -0,0 +1,38 @@
+;;; oni-outline.el --- Outline mode configuration    -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2026  Tom Willemse
+
+;; Author: Tom Willemse <tom@ryuslash.org>
+;; Keywords: local
+;; Version: 2026.0401.112746
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Configuration for ‘outline-minor-mode’.
+
+;;; Code:
+
+(require 'outline)
+
+(define-key outline-minor-mode-map
+            (kbd "TAB")
+            '(menu-item "" nil
+                        :filter (lambda (&optional _)
+                                  (when (outline-on-heading-p)
+                                    'outline-cycle))))
+
+(provide 'oni-outline)
+;;; oni-outline.el ends here