+
−# Until model subclassing is a possibility, a mixin class is used to add
+
−# the necessary functions that may be contributed for geographic objects.
+
−class GeoMixin:
+
−    """
+
−    The Geographic Mixin class provides routines for geographic objects,
+
−    however, it is no longer necessary, since all of its previous functions 
+
−    may now be accessed via the GeometryProxy.  This mixin is only provided
+
−    for backwards-compatibility purposes, and will be eventually removed
+
−    (unless the need arises again).
+
−    """
+
−    pass