I will use the underscore for hidden groups.
I will use the underscore for hidden groups.

Hidden groups are a new concept. They are only visible to admin users. They are
used to post different stuff at different locations. For example there will be
an infobox on the homepage whose content is set via a hidden group.

Opentronix/Opentronix,Opentronix/Opentronix,Opentronix/Opentronix