(calc-last-why-command): Declare it.

diff --git a/lisp/calc/calc-misc.el b/lisp/calc/calc-misc.el
index 082bc8826e793996acc675c55f594e1266764aef..07d5c8a157fef54aaef3cc8cbe9425cc7e154f97 100644 (file)
--- a/lisp/calc/calc-misc.el
+++ b/lisp/calc/calc-misc.el
@@ -231,6 +231,9 @@ Calc user interface as before (either M-# C or M-# K; initially M-# C)."
 
 ;;;; Stack and buffer management.
 
+;; The variable calc-last-why-command is set in calc-do-handly-whys
+;; and used in calc-why (in calc-stuff.el).
+(defvar calc-last-why-command)
 
 (defun calc-do-handle-whys ()
   (setq calc-why (sort calc-next-why