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-rw-r--r--generic/proof-splash.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/generic/proof-splash.el b/generic/proof-splash.el
index 4532f57a..9759f66a 100644
--- a/generic/proof-splash.el
+++ b/generic/proof-splash.el
@@ -118,6 +118,7 @@ DEFAULT gives return value in case image not valid."
;; Support GNU Emacs 21
((and
proof-running-on-Emacs21
+ window-system
(setq img
(find-image
(list