'This convenience function is only useful for html.
It adds meta information via the <meta> element, the argument is
a dictionary of the form { \'name\':\'content\' }.'

def metainfo(self, mydict):

    if isinstance(mydict, dict):
        for (name, content) in mydict.items():
            self.meta(name=name, content=content)
    else:
        raise TypeError('Metainfo    should    be    called    with    a    dictionary    argument    of    name:content    pairs.')
