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original commit: d2c6b4f2dd1e0fb1670a195ca6d10dad42e9336b
2004-11-29 19:27:27 +00:00 · 2004-11-29 19:27:27 +00:00 · 4853575269
commit 4853575269
parent 7c1848b268
1 changed files with 4 additions and 3 deletions
--- a/collects/framework/private/color.ss
+++ b/collects/framework/private/color.ss
@ -266,9 +266,10 @@
              (semaphore-wait mutex-lock)
              (thread-suspend background-thread)
              (semaphore-post mutex-lock)
-              (begin-edit-sequence #f #f)
-              (color)
-              (end-edit-sequence)))
+              (unless (null? colors)
+                (begin-edit-sequence #f #f)
+                (color)
+                (end-edit-sequence))))
          
          (define/private (colorer-callback)
            (cond