diff -r b6bca0666c38 -r 4fb5e6499da9 src/Pure/ROOT.scala
--- a/src/Pure/ROOT.scala	Mon Nov 20 15:55:10 2023 +0100
+++ b/src/Pure/ROOT.scala	Mon Nov 20 19:52:46 2023 +0100
@@ -29,3 +29,4 @@
   def if_proper[A](x: Iterable[A], body: => String): String = Library.if_proper(x, body)
   def if_proper(b: Boolean, body: => String): String = Library.if_proper(b, body)
 }
+