Change variable which-func-unknown to "n/a"

* lisp/progmodes/which-func.el (which-func-unknown): Change string
displayed in mode-line from "???" to "n/a"; the former appears to
indicate an error whereas the latter is more indicative that the
current function is not known.

diff --git a/lisp/progmodes/which-func.el b/lisp/progmodes/which-func.el
index abe25f2c6333861e30ca61c4f21be22270e24d64..3c8d4f43dbc667bb59895e9d8cee6fe85239b78f 100644 (file)
--- a/lisp/progmodes/which-func.el
+++ b/lisp/progmodes/which-func.el
@@ -64,7 +64,7 @@
 ;; Variables for customization
 ;; ---------------------------
 ;;
-(defvar which-func-unknown "???"
+(defvar which-func-unknown "n/a"
   "String to display in the mode line when current function is unknown.")
 
 (defgroup which-func nil