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so-long mode makes buffer read only. To erase the content we need to make buffer editable.
authorOleksandr Gavenko <gavenkoa@gmail.com>
Tue, 01 Feb 2022 00:35:07 +0200
changeset 1752 c3345b0bcad0
parent 1751 e09dfac4baf9
child 1753 b1de9260e82a
so-long mode makes buffer read only. To erase the content we need to make buffer editable.
.emacs-my file | annotate | diff | comparison | revisions 
--- a/.emacs-my	Thu Dec 09 14:38:16 2021 +0200
+++ b/.emacs-my	Tue Feb 01 00:35:07 2022 +0200
@@ -1265,6 +1265,7 @@
 (defun my--erase-buffer ()
   (interactive)
   (advice-add #'ask-user-about-supersession-threat :override #'identity)
+  (setq buffer-read-only nil)
   (erase-buffer)
   (when (buffer-file-name)
     (basic-save-buffer-1)
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