following function as ``annotate_from_changeset_func``::

            def changeset_to_anchor(changeset):

                return '<a href="/changesets/%s/">%s</a>\n' % \

                       (changeset.id, changeset.id)

        :param annotate_from_changeset_func: see above

        :param order: (default: ``['ls', 'annotate', 'code']``); order of

          columns;

        :param options: standard pygment's HtmlFormatter options, there is

          extra option tough, ``headers``. For instance we can pass::

             formatter = AnnotateHtmlFormatter(filenode, headers={

                'ls': '#',

                'annotate': 'Annotate',

                'code': 'Code',

             })

        """

        super(AnnotateHtmlFormatter, self).__init__(**options)

        self.annotate_from_changeset_func = annotate_from_changeset_func

        self.order = order or ('ls', 'annotate', 'code')

        headers = options.pop('headers', None)

        if headers and not ('ls' in headers and 'annotate' in headers and

            raise ValueError("If headers option dict is specified it must "

                "all 'ls', 'annotate' and 'code' keys")

        self.headers = headers

        if isinstance(filenode, FileNode):

            self.filenode = filenode

        else:

            raise VCSError("This formatter expect FileNode parameter, not %r"

                % type(filenode))

    def annotate_from_changeset(self, changeset):

        """

        Returns full html line for single changeset per annotated line.

        """

        if self.annotate_from_changeset_func:

            return self.annotate_from_changeset_func(changeset)

        else:

            return ''.join((changeset.id, '\n'))

    def _wrap_tablelinenos(self, inner):

        dummyoutfile = StringIO.StringIO()

        lncount = 0

        for t, line in inner:

            if t:

                lncount += 1

        # page numbers and the end of the page range

        if self.last_page - rightmost_page > 1:

            text_ = '..'

            # Wrap in a SPAN tag if nolink_attr is set

            if self.dotdot_attr:

                text_ = HTML.span(c=text_, **self.dotdot_attr)

            nav_items.append(HTML.li(text_))

        # Create a link to the very last page (unless we are on the last

        # page or there would be no need to insert '..' spacers)

        if self.page != self.last_page and rightmost_page < self.last_page:

            nav_items.append(HTML.li(self._pagerlink(self.last_page, self.last_page)))

        #_page_link = url.current()

        #nav_items.append(literal('<link rel="prerender" href="%s?page=%s">' % (_page_link, str(int(self.page)+1))))

        #nav_items.append(literal('<link rel="prefetch" href="%s?page=%s">' % (_page_link, str(int(self.page)+1))))

        return self.separator.join(nav_items)

    def pager(self, format='<ul class="pagination">$link_previous ~2~ $link_next</ul>', page_param='page', partial_param='partial',

        show_if_single_page=False, separator=' ', onclick=None,

        symbol_first='<<', symbol_last='>>',

        symbol_previous='<', symbol_next='>',

        link_attr=None,

        curpage_attr=None,

        self.curpage_attr = curpage_attr or {'class': 'active'}

        self.separator = separator

        self.pager_kwargs = kwargs

        self.page_param = page_param

        self.partial_param = partial_param

        self.onclick = onclick

        self.link_attr = link_attr or {'class': 'pager_link', 'rel': 'prerender'}

        self.dotdot_attr = dotdot_attr or {'class': 'pager_dotdot'}

        # Don't show navigator if there is no more than one page

        if self.page_count == 0 or (self.page_count == 1 and not show_if_single_page):

            return ''

        from string import Template

        # Replace ~...~ in token format by range of pages

        result = re.sub(r'~(\d+)~', self._range, format)

        # Interpolate '%' variables

        result = Template(result).safe_substitute({

            'first_page': self.first_page,

            'last_page': self.last_page,

            'page': self.page,

            'page_count': self.page_count,

            'items_per_page': self.items_per_page,

        future = True

    if future:

        prevdate = prevdate.replace(microsecond=0)

    # Get date parts deltas

    from dateutil import relativedelta

    for part in order:

        d = relativedelta.relativedelta(now, prevdate)

        deltas[part] = getattr(d, part + 's')

    # Fix negative offsets (there is 1 second between 10:59:59 and 11:00:00,

    # not 1 hour, -59 minutes and -59 seconds)

    for num, length in [(5, 60), (4, 60), (3, 24)]:  # seconds, minutes, hours

        part = order[num]

        carry_part = order[num - 1]

        if deltas[part] < 0:

            deltas[part] += length

            deltas[carry_part] -= 1

    # Same thing for days except that the increment depends on the (variable)

    # number of days in the month

    month_lengths = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

    if deltas['day'] < 0:

        if prevdate.month == 2 and (prevdate.year % 4 == 0 and

            deltas['day'] += 29

        else:

            deltas['day'] += month_lengths[prevdate.month - 1]

        deltas['month'] -= 1

    if deltas['month'] < 0:

        deltas['month'] += 12

        deltas['year'] -= 1

    # In short version, we want nicer handling of ages of more than a year

    if show_short_version:

        if deltas['year'] == 1:

            # ages between 1 and 2 years: show as months

            deltas['month'] += 12

            deltas['year'] = 0

        if deltas['year'] >= 2:

            # ages 2+ years: round

            if deltas['month'] > 6:

                deltas['year'] += 1

                deltas['month'] = 0

    # Format the result

    fmt_funcs = {

                content = node.content

            blob = objects.Blob.from_string(content)

            node_path = node.name.encode(ENCODING)

            if dirnames:

                # If there are trees which should be created we need to build

                # them now (in reverse order)

                reversed_dirnames = list(reversed(dirnames))

                curtree = objects.Tree()

                curtree[node_path] = node.mode, blob.id

                new_trees.append(curtree)

                for dirname in reversed_dirnames[:-1]:

                    newtree = objects.Tree()

                    #newtree.add(stat.S_IFDIR, dirname, curtree.id)

                    newtree[dirname] = stat.S_IFDIR, curtree.id

                    new_trees.append(newtree)

                    curtree = newtree

                parent[reversed_dirnames[-1]] = stat.S_IFDIR, curtree.id

            else:

                parent.add(name=node_path, mode=node.mode, hexsha=blob.id)

            new_trees.append(parent)

            # Update ancestors

            for parent, tree, path in reversed([(a[1], b[1], b[0]) for a, b in

                parent[path] = stat.S_IFDIR, tree.id

                object_store.add_object(tree)

            object_store.add_object(blob)

            for tree in new_trees:

                object_store.add_object(tree)

        for node in self.removed:

            paths = node.path.split('/')

            tree = commit_tree

            trees = [tree]

            # Traverse deep into the forest...

            for path in paths:

                try:

                    obj = self.repository._repo[tree[path][1]]

                    if isinstance(obj, objects.Tree):

                        trees.append(obj)

                        tree = obj

                except KeyError:

                    break

            # Cut down the blob and all rotten trees on the way back...

            for path, tree in reversed(zip(paths, trees)):

                del tree[path]

                if tree:

                    # This tree still has elements - don't remove it or any

        following function as ``annotate_from_changeset_func``::

            def changeset_to_anchor(changeset):

                return '<a href="/changesets/%s/">%s</a>\n' % \

                       (changeset.id, changeset.id)

        :param annotate_from_changeset_func: see above

        :param order: (default: ``['ls', 'annotate', 'code']``); order of

          columns;

        :param options: standard pygment's HtmlFormatter options, there is

          extra option tough, ``headers``. For instance we can pass::

             formatter = AnnotateHtmlFormatter(filenode, headers={

                'ls': '#',

                'annotate': 'Annotate',

                'code': 'Code',

             })

        """

        super(AnnotateHtmlFormatter, self).__init__(**options)

        self.annotate_from_changeset_func = annotate_from_changeset_func

        self.order = order or ('ls', 'annotate', 'code')

        headers = options.pop('headers', None)

        if headers and not ('ls' in headers and 'annotate' in headers and

            raise ValueError("If headers option dict is specified it must "

                "all 'ls', 'annotate' and 'code' keys")

        self.headers = headers

        if isinstance(filenode, FileNode):

            self.filenode = filenode

        else:

            raise VCSError("This formatter expect FileNode parameter, not %r"

                % type(filenode))

    def annotate_from_changeset(self, changeset):

        """

        Returns full html line for single changeset per annotated line.

        """

        if self.annotate_from_changeset_func:

            return self.annotate_from_changeset_func(changeset)

        else:

            return ''.join((changeset.id, '\n'))

    def _wrap_tablelinenos(self, inner):

        dummyoutfile = StringIO.StringIO()

        lncount = 0

        for t, line in inner:

            if t:

                lncount += 1