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-rw-r--r--lisp/calc/calc-graph.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 9af89ab6c3a..9fefaa73d79 100644
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -433,7 +433,7 @@
(while (memq (preceding-char) '(?\s ?\t))
(forward-char -1))
(if (eq (preceding-char) ?\,)
- (delete-backward-char 1))))
+ (delete-char -1))))
(with-current-buffer calcbuf
(setq cache-env (list calc-angle-mode
calc-complex-mode