Convert hypertext markup into vt markup.
    The output can be given to `vtmlrender` for converstion to VT100
    sequences.

def html2vtml(vtmarkup):
    """ Convert hypertext markup into vt markup.
    The output can be given to `vtmlrender` for converstion to VT100
    sequences. """
    try:
        htmlconv.feed(vtmarkup)
        htmlconv.close()
        return htmlconv.getvalue()
    finally:
        htmlconv.reset()