Translations:Draft Upgrade/7/en

The selected objects are modified/upgraded according to the following conditions (in order):
 * if there are more than one face in the selection, the faces are merged (union)
 * if there is only one face in the selection, nothing is done
 * if there is only one open wire in the selection, it gets closed
 * if there are only edges in the selection, all edges are joined into a wire (closed if possible)
 * if none of the above is possible, a compound object is created