def leaveWhitespace( self ):
        self.skipWhitespace = False
        self.exprs = [ e.copy() for e in self.exprs ]
        for e in self.exprs:
            e.leaveWhitespace()
        return self
Editing a comment when all cnums are missing and one comment
dataset/ETHPy150Open ipython/ipython-py3k/IPython/external/pyparsing/_pyparsing.py/ParseExpression.leaveWhitespace--crossover with--dataset/ETHPy150Open edgewall/trac/trac/ticket/tests/model.py/TicketCommentEditTestCase.test_modify_missing_cnums_and_comment