# HG changeset patch
# User wenzelm
# Date 1621200123 -7200
# Node ID 241cfa88178898cdb42e962bf0a239c9bad150a0
# Parent  7c7a59b765287878b7f321782465dd851645997b
enforce syntax of Scala 3;

diff -r 7c7a59b76528 -r 241cfa881788 etc/settings
--- a/etc/settings	Sun May 16 19:37:15 2021 +0200
+++ b/etc/settings	Sun May 16 23:22:03 2021 +0200
@@ -16,7 +16,7 @@
 
 ISABELLE_TOOL_JAVA_OPTIONS="-Djava.awt.headless=true -Xms512m -Xmx4g -Xss16m"
 
-ISABELLE_SCALAC_OPTIONS="-encoding UTF-8 -Wconf:cat=other-match-analysis:silent -feature -deprecation -target:11 -J-Xms512m -J-Xmx4g -J-Xss16m"
+ISABELLE_SCALAC_OPTIONS="-encoding UTF-8 -Wconf:cat=other-match-analysis:silent -feature -deprecation -target:11 -Xsource:3 -J-Xms512m -J-Xmx4g -J-Xss16m"
 
 classpath "$ISABELLE_HOME/lib/classes/Pure.jar"
 
diff -r 7c7a59b76528 -r 241cfa881788 src/Pure/ROOT.scala
--- a/src/Pure/ROOT.scala	Sun May 16 19:37:15 2021 +0200
+++ b/src/Pure/ROOT.scala	Sun May 16 23:22:03 2021 +0200
@@ -21,4 +21,3 @@
   val proper_string = Library.proper_string _
   def proper_list[A](list: List[A]): Option[List[A]] = Library.proper_list(list)
 }
-