'Return true if `paragraph` should be first-line-indented.'

def is_indented(self, paragraph):

    assert isinstance(paragraph, nodes.paragraph)
    siblings = [n for n in paragraph.parent if (self.is_visible(n) and (not isinstance(n, nodes.Titular)))]
    index = siblings.index(paragraph)
    if (('continued' in paragraph['classes']) or ((index > 0) and isinstance(siblings[(index - 1)], nodes.transition))):
        return 0
    return (index > 0)
