Feature #6177
Updated by Philippe May over 7 years ago
After #6173, #6159, we have the possibility and use case for secondary minor groups. 
As of today, they are displayed "flat" in the tree.
They should appear in branches of the primary minor group, eg:
* BLDG
* BNCH
* PLAT
* STEP
* LDTL
* ROOF
* CHMN
* STEP
        
        
    As of today, they are displayed "flat" in the tree.
They should appear in branches of the primary minor group, eg:
* BLDG
* BNCH
* PLAT
* STEP
* LDTL
* ROOF
* CHMN
* STEP