The definition for Precedes Separator GROUP in the help is:
Description: Set to True to add a menu item group separator to the Quick Linker sub-menu; otherwise leave this field blank.
However, if we set it for a particular QuickLinker entry, we can't see the effect.
What does it actually do and what do we have to have in place to actually see it do it?
For example, the QuickLinker sub-menu refers to the additional sub-menu you get when you "drag" into open space - yes?
So I would expect to see it in that context, but nothing different seems to happen.
Looking through the MDG technologies, the only use we can find is in a few MDGs (mainly ArchiMate and BPMN related) where it occurs in entries which have a diagram filter (for example):
ArchiMate3.xml:
Class,ArchiMate_BusinessActor,Class,ArchiMate_Product,ArchiMate3::*,Class,ArchiMate_Product,ControlFlow,ArchiMate_Flow,to,Flow,Flow,TRUE,TRUE,,TRUE,Product,0,,,,TRUE,

BPMN 1.1 Technlology.xml:
Activity,Activity,Activity,Activity,BPMN1.1::BPMN;BPMN1.1::BPEL;,Activity,Activity,ControlFlow,MessageFlow,from,Message Flow from,Message Flow from,TRUE,TRUE,TRUE,TRUE,Activity,0,,,TRUE,TRUE,

Is that a requirement?
TIA,
Paolo