more ambitious parallelism (in contrast to a8ee8e4884ec): pri = 1 ensures that internal proof tasks are executed before the already forked theory outline with pri = 0;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: invoke Java within the Isabelle environment
eval "declare -a JAVA_ARGS=($ISABELLE_JAVA_SYSTEM_OPTIONS)"
[ -n "$CLASSPATH" ] && classpath "$CLASSPATH"
unset CLASSPATH
isabelle_java java "${JAVA_ARGS[@]}" \
"-Djava.ext.dirs=$(platform_path "$ISABELLE_JDK_HOME/jre/lib/ext")" \
-classpath "$(platform_path "$ISABELLE_CLASSPATH")" "$@"