(calc-graph-plot): Fix character constant.

diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 90ed192d0c8d520c7222ece54e4a2a07c5bb9cd2..032575048c49d7d1524b2e269ff28a6e89d553c6 100644 (file)
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -391,7 +391,7 @@
         (delete-region (match-beginning 0) (match-end 0))
         (if (looking-at ",")
             (delete-char 1)
-          (while (memq (preceding-char) '(?\ ?\t))
+          (while (memq (preceding-char) '(?\s ?\t))
             (forward-char -1))
           (if (eq (preceding-char) ?\,)
               (delete-backward-char 1))))