The following packages are incompatible
|-- a * cannot be installed because there are no viable options:
|-- a 2 would require
|-- b *, which cannot be installed because there are no viable options:
|-- b 1 is excluded because it is externally excluded
|-- a 1 would require
|-- c *, which cannot be installed because there are no viable options:
|-- c 1 is excluded because it is externally excluded
New
The following packages are incompatible
└─ a * cannot be installed because there are no viable options:
├─ a 2 would require
│ └─ b *, which cannot be installed because there are no viable options:
│ └─ b 1 is excluded because it is externally excluded
└─ a 1 would require
└─ c *, which cannot be installed because there are no viable options:
└─ c 1 is excluded because it is externally excluded
I extracted the new indentation code from #28
Old
New