--- a/src/Pure/Admin/build_release.scala Tue Jan 05 17:40:51 2021 +0100
+++ b/src/Pure/Admin/build_release.scala Tue Jan 05 18:21:14 2021 +0100
@@ -273,7 +273,7 @@
exec "$ISABELLE_HOME/contrib/""" + jdk_component + """/x86_64-linux/jre/bin/java" \
"-Disabelle.root=$ISABELLE_HOME" "${JAVA_OPTIONS[@]}" \
- -classpath """" + classpath.map("$ISABELLE_HOME/" + _).mkString(":") + """" \
+ -classpath """" + classpath.map(p => "$ISABELLE_HOME/" + p.implode).mkString(":") + """" \
"-splash:$ISABELLE_HOME/lib/logo/isabelle.gif" \
isabelle.Main "$@"
"""