@rule('<STR_LIT>')<EOL><INDENT>def visit_false(self, *_):<DEDENT>
return False<EOL>
Return ``False`` for the string "false" (case insensitive)

        Arguments
        ---------
        _[0] (node) : parsimonious.nodes.Node.
        _[1] (children) : list, unused

        Returns
        -------
        False

        Example
        -------

        >>> BaseParser('false', default_rule='FALSE').data
        False
        >>> BaseParser('False', default_rule='FALSE').data
        False
        >>> BaseParser('FALSE', default_rule='FALSE').data
        False