--- a/src/Pure/Thy/present.scala Mon Nov 16 22:23:04 2020 +0100 +++ b/src/Pure/Thy/present.scala Mon Nov 16 22:28:42 2020 +0100 @@ -7,8 +7,6 @@ package isabelle -import java.io.{File => JFile} - import scala.collection.immutable.SortedMap