On Wed, 25 May 2011 10:44:51 -0400, Austin Clements <amdragon@mit.edu> wrote:
> May I suggest a slightly different way of looking at this that will
> quell my inner parser?  Instead of configuring a weird "query
> fragment" like "and tag:unread" to be string-concatenated with the tag
> query, configure a *filter* query like merely "tag:unread" that
> narrows down what you'd like to be counted within the scope of a tag.
> The implementations are hardly different---simply generate the query
> "tag:<tag> and ( <filter> )"---but a filter is a well-formed query,
> not some string fragment.  Furthermore, the user can't get bitten by
> precedence and wind up with a query that counts messages that don't
> even have that tag.

Good point, I attached an updated patch that implements this.