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src/Pure/PIDE/document.scala
changeset 70699 3eb30d80cee6
parent 70692 41b5e515c238
child 70716 a8afe8eb3529 
--- a/src/Pure/PIDE/document.scala	Sun Sep 15 13:37:53 2019 +0200
+++ b/src/Pure/PIDE/document.scala	Sun Sep 15 13:42:01 2019 +0200
@@ -882,7 +882,7 @@
         blobs = blobs1,
         commands = commands1,
         execs = execs1,
-        commands_redirection = commands_redirection.restrict(commands1.isDefinedAt(_)),
+        commands_redirection = commands_redirection.restrict(commands1.keySet),
         assignments = assignments1,
         history = history.purge(versions1),
         removing_versions = false)
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