From 409e09d585c974038801b62f9c9909e109136810 Mon Sep 17 00:00:00 2001
From: fpi
Date: Fri, 18 Sep 2020 15:51:30 +0200
Subject: Add a mode to toggle between space and tab indentation

---
 emacs-init.org | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/emacs-init.org b/emacs-init.org
index 40bb8ff..1e337eb 100644
--- a/emacs-init.org
+++ b/emacs-init.org
@@ -5416,8 +5416,33 @@ I do not really care about spaces versus tabs most of the time. I only
 want it to be consistent within a file.
 #+begin_src emacs-lisp
 (use-package emacs
+  :config
+  (define-minor-mode tab-mode
+    "Toggle tab and space based indentation."
+    :init-value nil
+    :lighter " »"
+    (if tab-mode
+        (progn
+          (setq indent-tabs-mode t)
+          (setq tab-width 4)
+          )
+      (setq indent-tabs-mode nil)
+      (setq tab-width 8)
+      ))
+  (defun enable-tab-mode ()
+    (tab-mode 1))
+  (defun disable-tab-mode ()
+    (tab-mode -1))
   :custom
-  (indent-tabs-mode nil))
+  (indent-tabs-mode nil)
+  ;; (tab-width 4)
+  ;; (tab-mode 1)
+  :hook
+  (prog-mode . enable-tab-mode)
+  (emacs-lisp-mode . disable-tab-mode)
+  (lisp-mode . disable-tab-mode)
+  (matlab-mode . enable-tab-mode)
+  )
 #+end_src
 Instead of =$= use =⏎= to indicate newlines
 #+begin_src emacs-lisp
-- 
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