redef class MEntity
# The documentation associated to the entity
- var mdoc: nullable MDoc is writable
+ var mdoc: nullable MDoc = null is writable
# The documentation associated to the entity or their main nested entity.
#
# their introducing definition.
# * `MClassType`s fall back to their wrapped `MClass`.
# * `MVirtualType`s fall back to their wrapped `MProperty`.
+ # * `CallSite` fall back on the wrapped `MProperty`.
# * Other entities do not fall back.
#
# One may use `MDoc::original_mentity` to retrieve the original