diff -r fdfe9b91d96e -r 55ca7578d3e9 src/Pure/ROOT.scala
--- a/src/Pure/ROOT.scala	Tue Aug 29 12:53:28 2023 +0200
+++ b/src/Pure/ROOT.scala	Tue Aug 29 13:05:32 2023 +0200
@@ -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)
 }
+