def METHOD_NAME(string, node):
    """Append the translatable content to the node.
    The string is going to have XLIFF placeables, so we have to
    parse it as XML in order to get the right nodes to append to
    the node.
    """
    # Add a wrapper "whatever" tag to avoid problems when parsing
    # several sibling tags at the root level.
    fake_string = "<whatever>" + string + "</whatever>"
    # Copy the children to the XLIFF unit's source or target node.
    fake_node = etree.fromstring(fake_string)
    node.extend(fake_node.getchildren())
    return node