Don't add empty lines to history

diff --git a/library/ui/text/interactor.factor b/library/ui/text/interactor.factor
index 84b6f43611ee7a236bf8d8825121e1e9d968a1e6..27502bc2daf6a8db4b5139fa28b61b5e478c14b4 100644 (file)
--- a/library/ui/text/interactor.factor
+++ b/library/ui/text/interactor.factor
@@ -42,7 +42,7 @@ SYMBOL: structured-input
 
 : interactor-eval ( string interactor -- )
     dup control-model clear-doc
-    2dup interactor-history push-new
+    over empty? [ 2dup interactor-history push-new ] unless
     2dup interactor-input.
     (interactor-eval) ;