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src/Pure/System/isabelle_system.scala
changeset 78592 fdfe9b91d96e
parent 77719 cbfbf48b0281
child 78944 b0b86fead48c 
--- a/src/Pure/System/isabelle_system.scala	Tue Aug 29 12:04:13 2023 +0200
+++ b/src/Pure/System/isabelle_system.scala	Tue Aug 29 12:53:28 2023 +0200
@@ -481,7 +481,7 @@
             (entry, result)
           }
         for {
-          (entry, Some(res)) <- items
+          case (entry, Some(res)) <- items
           if !entry.isDirectory
           t <- Option(entry.getLastModifiedTime)
         } Files.setLastModifiedTime(res, t)
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