(calc-graph-format-data): Make sure var-PlotRejects is bound before

trying to check its value.

diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 09bea69cf739aea4094e6f5f4f0811b327ee4a4d..113cdcd33bc0902938422b4fb64967c1a47bd480 100644 (file)
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -864,6 +864,7 @@
                          "e" (int-to-string (nth 2 calc-graph-zval))))))
          (insert "\n"))
       (and (not (equal calc-graph-zval '(skip)))
+           (boundp 'var-PlotRejects)
           (eq (car-safe var-PlotRejects) 'vec)
           (nconc var-PlotRejects
                  (list (list 'vec