Make doc argument of emerge-defvar-local optional

* lisp/vc/emerge.el (emerge-defvar-local): Make doc argument
optional.

diff --git a/lisp/vc/emerge.el b/lisp/vc/emerge.el
index 25de2f0e9effc4d22b065a8ecec9e74bea477746..1c3ab8b96cb54d08a18596358dedec24160a924a 100644 (file)
--- a/lisp/vc/emerge.el
+++ b/lisp/vc/emerge.el
@@ -26,7 +26,7 @@
 
 ;;; Macros
 
-(defmacro emerge-defvar-local (symbol value doc)
+(defmacro emerge-defvar-local (symbol value &optional doc)
   "Define SYMBOL as an advertised buffer-local variable.
 Run `defvar-local', setting the value of the variable to VALUE
 and its docstring to DOC.