diff -r 7acbef680bef -r f5c0749858fd main_testing3/re_test.sh
--- a/main_testing3/re_test.sh	Sun Jan 15 10:58:13 2023 +0000
+++ b/main_testing3/re_test.sh	Sat Mar 11 22:01:53 2023 +0000
@@ -19,7 +19,7 @@
 # functional tests
 
 function scala_assert {
-  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
+  (ulimit -t 30; JAVA_OPTS="-Xmx1g" scala -nc -i "$1" -- "$2" -e "" 2> /dev/null 1> /dev/null)
 }
 
 # purity test
@@ -41,6 +41,8 @@
     tsts=$(( 0 ))
 else
     echo -e "  --> SCALA DID NOT RUN RE.SCALA\n" >> $out
+    echo -e "      !!!! Have you checked that you are using Scala 2.13.XX (preferably with XX == 10)?                          !!!\n" >> $out
+    echo -e "      !!!! All help-requests and emails where the problems are due to the use of Scala 3 will be quietly ingnored !!!\n" >> $out
     tsts=$(( 1 )) 
 fi