Modifies the flags in value if the node contains an Argument.

def __with_argument(node, value):
    """Modifies the flags in value if the node contains an Argument."""
    arguments = node.getElementsByTagName('Argument')

    if arguments:
        logging.debug('Found argument within %s', value['name'])
        value['flags'] = vsflags(VSFlags.UserValueIgnored, VSFlags.Continue)