Comment # 72 on bug 968405 from Dr. Werner Fink

(In reply to Dr. Werner Fink from comment #71)

The only question I've: does rpm on Leap42.1 and SLES12 SP0, SP1, and also SP2
do this in the same way that is no escaped newline is required witin %{ ... }?

Only problem I see is that rpm includes the options into the %{*} of the
expanded macro

        (
                test "$YAST_IS_RUNNING" = instsys && exit 0
                /usr/bin/systemctl try-restart -f  display-manager.service
        )

... how can I avoid this?