code: def _page_to_text(page):
    
    # text start tag looks like "<text ..otherstuff>"
    start_pos = page.find(u"<text")
    assert start_pos != -1
    end_tag_pos = page.find(u">", start_pos)
    assert end_tag_pos != -1
    end_tag_pos += len(u">")
    end_pos = page.find(u"</text>")
    if end_pos == -1:
      return u""
    return page[end_tag_pos:end_pos]
docs: Extract the text from a page.
  
    Args:
      page: a unicode string
    Returns:
      a unicode string