From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bastien <bzg@gnu.org>
Subject: Re: Filtering agenda by the "top" category
Date: Tue, 10 Apr 2012 22:42:23 +0200
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In-Reply-To: <m2vclf8c68.fsf@gmail.com> (John Wiegley's message of "Wed, 04
	Apr 2012 15:38:55 -0500")
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To: John Wiegley <jwiegley@gmail.com>
Cc: Dave Abrahams <dave@boostpro.com>, emacs-orgmode@gnu.org

Hi John,

John Wiegley <jwiegley@gmail.com> writes:

> I discovered the < key in the agenda yesterday (by accident!), which filters
> the Agenda down to entries having the same category.
>
> However, I use both *categories* and *projects*.  For example:
>
>   * Work
>     :CATEGORY: Work
>     :OVERLAY:  (face (:background "#fdfdeb"))
>   ** PROJECT Foo
>     :CATEGORY: Foo
>
> I use :CATEGORY: for my project here so it shows up in the leftmost column of
> my agenda.  I don't want every project displaying as just "Work".  I use the
> :OVERLAY: so that all Work items have the same background color, which is a
> better way of seeing at a glance which *category* every item falls into.
>
> What this means is that although I can use < to filter by *project*, I can't
> filter down to the "Work" *category*.  So that's what the code below does.  I
> bind it to >, since I wasn't using what that binding does.

I tested the code and it looks useful.  

Could you make a patch against current master?

> Also, I found a bug: passing a prefix argument to < doesn't have any effect.
> The code doesn't use that argument in any meaningful way.

This is now fixed.  You can use `C-u <' to filter out the category of
the current line.  Thanks for spotting this!

-- 
 Bastien