clarified type Token.src: plain token list, with usual implicit value assignment;
clarified type Token.name_value, notably for head of Token.src;
clarified Attrib/Method check_src vs. parser;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: invoke Java within the Isabelle environment
declare -a JAVA_ARGS; eval "JAVA_ARGS=($ISABELLE_JAVA_SYSTEM_OPTIONS)"
[ -n "$CLASSPATH" ] && classpath "$CLASSPATH"
unset CLASSPATH
isabelle_java java "${JAVA_ARGS[@]}" \
-classpath "$(platform_path "$ISABELLE_CLASSPATH")" "$@"