[ClusterLabs] Deleting a variable

[Ulrich Windl]

>>> Ken Gaillot <kgaillot at redhat.com> schrieb am 30.11.2016 um 21:39 in Nachricht
<62cb811f-4396-ff36-ec03-67000b4ed07b at redhat.com>:

[...]
> Once set, attributes are not truly deleted -- only their values are
> cleared. And --delay has no effect with --update if the attribute
> already exists, which is what you see above.

Is there a difference between a "deleted" variable and a defined variable that has an empty string as value? I feel there should be!

[...]

Ulrich