updated to jedit_build-20181025 according to patches/macos (Java 11), patches/putenv;
proper update of jEdit environment -- avoid warnings in Java 11;
activate jdk-11+28;
#!/usr/bin/env bash
#
# Author: Makarius
#
# DESCRIPTION: setup OCaml setup via OPAM
if [ -d "$ISABELLE_OPAM_ROOT" ]
then
isabelle_opam switch "$ISABELLE_OCAML_VERSION"
else
isabelle_opam init --no-setup --compiler="$ISABELLE_OCAML_VERSION"
fi