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Re: [O] v3, with support for narrowing

From: Eric Abrahamsen
Subject: Re: [O] v3, with support for narrowing
Date: Fri, 29 Apr 2011 12:31:31 +0800
User-agent: Gnus/5.110016 (No Gnus v0.16) Emacs/23.2 (gnu/linux)

On Fri, Apr 29 2011, Nick Dokos wrote:

> Eric Abrahamsen <address@hidden> wrote:
>> On Fri, Apr 29 2011, Simon Guest wrote:
>> > At Thu, 28 Apr 2011 15:47:07 -0700,
>> > Samuel Wales wrote:
>> >> Is it possible to make it so that you can show the overlays for just a
>> >> subtree or region instead of the entire buffer?
>> >
>> > Hi Samuel,
>> >
>> > Good idea!  So I just fixed it to handle narrowing properly, so narrow
>> > to your region or subtree of interest first, and then count as usual.
>> >
>> > Attached v3 which does this.  I'm not normally this responsive, you
>> > just caught me at a good time.  ;-)
>> Is this still a good time? Because what I'd really like is
>> inclusion/exclusion tags, so that I can mark some subtrees to count, and
>> others to ignore. I tried doing this last night, based on other parts of
>> the export code, and my elisp failed. Perhaps just exclusion tags?
>> Here's hoping you still have a bit of time/interest for improvements!
>> (I'm translating a novel, not writing one, and want to keep the original
>> text out of the count. Plus I've got a bunch of research/notes sections
>> that should be excluded.)
>> If you're out of time, I'll have another whack at it, and maybe bring my
>> broken efforts to the list.
> The mapping API allows you to walk through the entries, filter the ones
> you want and apply a function on each remaining entry. So cribbing heavily
> from Simon's code, the following should count all the entries with tag "foo":

Nice! Seems like the mapping API could be used as the basis for this
whole functionality. Not that I'm quite volunteering yet, I'm still
working out how to make all this work…


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