--- a/src/Pure/System/scala.scala Sat Feb 27 21:01:07 2021 +0100
+++ b/src/Pure/System/scala.scala Sat Feb 27 21:36:58 2021 +0100
@@ -249,4 +249,5 @@
Isabelle_System.Copy_Dir,
Isabelle_System.Copy_File,
Isabelle_System.Copy_File_Base,
+ Isabelle_System.Download,
Isabelle_Tool.Isabelle_Tools)