Calls the parent constructor, stores the attributes particular to this subclass.
# - - - E q B i n d . _ _ i n i t _ _
def __init__ ( self, abbr, prefSym, engName ):
'''Constructor for EqBind.
'''
#-- 1 --
# [ self := self as an instance of AbBind ]
AbBind.__init__ ( self, abbr )
#-- 2 --
self.prefSym = prefSym
self.engName = engName