master 60e3353: Mark sgml-basic-offset as safe for integers

[Stefan Kangas]

branch: master
commit 60e3353697efb00afd084d45dba41adcafc388f9
Author: Lucas Werkmeister <mail@lucaswerkmeister.de>
Commit: Stefan Kangas <stefankangas@gmail.com>

    Mark sgml-basic-offset as safe for integers
    
    * lisp/textmodes/sgml-mode.el (sgml-basic-offset):
    Add :safe.  (Bug#43215)
---
 lisp/textmodes/sgml-mode.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lisp/textmodes/sgml-mode.el b/lisp/textmodes/sgml-mode.el
index 1672dce..04f1ddd 100644
--- a/lisp/textmodes/sgml-mode.el
+++ b/lisp/textmodes/sgml-mode.el
@@ -46,7 +46,8 @@
 
 (defcustom sgml-basic-offset 2
   "Specifies the basic indentation level for `sgml-indent-line'."
-  :type 'integer)
+  :type 'integer
+  :safe #'integerp)
 
 (defcustom sgml-attribute-offset 0
   "Specifies a delta for attribute indentation in `sgml-indent-line'.