clarified node_required status: distinguish theory_required vs. document_required;
more robust and more correct Geometry.in operation;
#!/usr/bin/env bash
#
# DESCRIPTION: build other Isabelle from sync_repos directory
unset CDPATH
THIS="$(cd "$(dirname "$0")"; pwd)"
"$THIS/../bin/isabelle" scala_build -q || exit $?
"$THIS/../bin/isabelle_java" isabelle.Build_History "$@"