(calc-gnuplot-name) [windows-nt]: Use "pgnuplot" as the default.

diff --git a/lisp/calc/calc.el b/lisp/calc/calc.el
index 59dde0998288a1acfb410dce071b08e4e9cf6a96..b291969b7f5a88410820c02bcc825b552d6ccebf 100644 (file)
--- a/lisp/calc/calc.el
+++ b/lisp/calc/calc.el
@@ -393,7 +393,7 @@ This is not required to be present for user-written mode annotations."
                                   (string :tag "Closing annotation delimiter"))))
 
 (defcustom calc-gnuplot-name
-  "gnuplot"
+  (if (eq system-type 'windows-nt) "pgnuplot" "gnuplot")
   "Name of GNUPLOT program, for calc-graph features."
   :group 'calc
   :type '(string))