Fix a defcustom :type

* lisp/progmodes/ruby-mode.el (ruby-insert-encoding-magic-comment):
Allow always-utf8.  (Bug#66498)

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index 9d80bbd72dd984447c44d8c2d47c9a78353f9ee0..5c34ddc562bcdbe0057e0b8394233a691d74ef4d 100644 (file)
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -516,7 +516,9 @@ is customizable via `ruby-encoding-magic-comment-style'.
 
 When set to `always-utf8' an utf-8 comment will always be added,
 even if it's not required."
-  :type 'boolean :group 'ruby)
+  :type '(choice (const :tag "Don't insert" nil)
+                 (const :tag "Insert utf-8 comment always" always-utf8)
+                 (const :tag "Insert only when required" t)))
 
 (defcustom ruby-encoding-magic-comment-style 'ruby
   "The style of the magic encoding comment to use."