Isabelle_Process: separate input fifo for commands (still using the old tty protocol);
some partial workarounds for Cygwin;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: invoke Java within the Isabelle environment
CLASSPATH="$(jvmpath "$CLASSPATH")"
exec "${THIS_JAVA:-$ISABELLE_JAVA}" "$@"