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-rw-r--r--lisp/progmodes/executable.el3
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/progmodes/executable.el b/lisp/progmodes/executable.el
index a8734d965de..454090d508b 100644
--- a/lisp/progmodes/executable.el
+++ b/lisp/progmodes/executable.el
@@ -95,7 +95,8 @@ When this is `function', only ask when called non-interactively."
This mode passed to `set-file-modes' is taken absolutely when negative, or
relative to the files existing modes. Do nothing if this is nil.
Typical values are 73 (+x) or -493 (rwxr-xr-x)."
- :type 'integer
+ :type '(choice integer
+ (const nil))
:group 'executable)