def tokenize(html, include_hrefs=True):
    """
    Parse the given HTML and returns token objects (words with attached tags).

    This parses only the content of a page; anything in the head is
    ignored, and the <head> and <body> elements are themselves
    optional.  The content is then parsed by lxml, which ensures the
    validity of the resulting parsed document (though lxml may make
    incorrect guesses when the markup is particular bad).

    <ins> and <del> tags are also eliminated from the document, as
    that gets confusing.

    If include_hrefs is true, then the href attribute of <a> tags is
    included as a special kind of diffable token."""
    if etree.iselement(html):
        body_el = html
    else:
        body_el = parse_html(html, cleanup=True)
    # Then we split the document into text chunks for each tag, word, and end tag:
    chunks = flatten_el(body_el, skip_tag=True, include_hrefs=include_hrefs)
    # Finally re-joining them into token objects:
    return fixup_chunks(chunks)
Parse the given HTML and returns token objects (words with attached tags).

    This parses only the content of a page; anything in the head is
    ignored, and the <head> and <body> elements are themselves
    optional.  The content is then parsed by lxml, which ensures the
    validity of the resulting parsed document (though lxml may make
    incorrect guesses when the markup is particular bad).

    <ins> and <del> tags are also eliminated from the document, as
    that gets confusing.

    If include_hrefs is true, then the href attribute of <a> tags is
    included as a special kind of diffable token.