DOF_VERSION="Unreleased"
ISABELLE_VERSION="Isabelle2018: August 2018"
ISABELLE_URL="https://isabelle.in.tum.de/website-Isabelle2018/"
DOF_URL="https://git.logicalhacking.com/Isabelle_DOF/Isabelle_DOF"
DOF_ARTIFACT_DIR="releases/Isabelle_DOF/Isabelle_DOF"
DOF_ARTIFACT_HOST="artifacts.logicalhacking.com"
AFP_DATE="afp-2019-06-04"
AFP_URL="https://sourceforge.net/projects/afp/files/afp-Isabelle2018/"$AFP_DATE".tar.gz"