RAIMAD

Class Mark from raimad.mark

class Mark

Mark annotation.

Mark objects are meant to exist inside the `Marks` nested
class of Compos,
and serve as annotations that better explain what are the
marks that this compo defines.

TODO reference boundpoint

def __init__(self, desc: str):
    """
    Initialize self.  See help(type(self)) for accurate signature.
    """