new to theme modifying and need help

I've been using the sincor4moin theme I got from the ThemeMarket and I
want to make what seems like a very small modificaiton.  Right now
there is a panel in the left side bar.  It has the "Edit", "Get Info",
and the More Actions pull down.  I want to add a "Attachments (#)"
where # is the number of attachments.

It looks like this panel is formed in Theme.editbar.  Just working by
example, I added.

        add(link(request, quotedname + '?action=3DAttachFile',
                 _('Attachments', formatted=3DFalse)))

So far, so good.  I have "Attachments" text in the sidebar.  Now how
do I get the number of attachments?  I thought I could use a method of
the page objects to get a list of attachments or something similar,
but couldn't find anything promising.  Looking around the source code,
II found text like "%s(attach_count)s" that looks promising but I
haven't figured out quite how to use it.  Do I pass this to a function
that decodes it or does it go in the return of editbar and get decoded
downstream?

Any help is appreciated.  Thanks for MoinMoin.  So far it looks great
-- clean with hidden and exensible power.  Well it's python.

Thanks,
Greg

BTW, in case it's not the convention for themes, the context for the
snippet above is:

 _ =3D  self.request.getText
 link =3D wikiutil.link_tag
 links =3D []
 add =3D links.append
 items =3D '\n'.join(['<li>%s</li>' % item for item in links if item !=3D '=
']
 html =3D u'<ul class=3D"editbar">\n%s\n</ul>\n' % items
 return html


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