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Re: [O] Change org-back-to-heading to use org's heading regex

From: aditya siram
Subject: Re: [O] Change org-back-to-heading to use org's heading regex
Date: Tue, 17 Sep 2013 17:37:13 -0500

Yes, you're right. And while I was looking for an alternate solution I found `org-heading-components` which does everything I need and more!

On Sat, Sep 14, 2013 at 5:21 PM, Carsten Dominik <address@hidden> wrote:
Hi Aditya,

I do not support this idea.

1. sometimes Org functions are used in other modes, with a different value for the outline regexp.  WHile this will not work for many Org functions, it is useful to have it work for some.

2. For just searching headings, it is efficient to use a regexp that is as simple as possible and does not need to do any back tracking.

3. You can easily use the simple regexps to find a heading.  If you need detailed info, match again with looking-at and then use the match data.


- Carsten

On 14.9.2013, at 23:30, aditya siram <address@hidden> wrote:

> Hi all,
> Org-mode uses two regex's to find headings, one from outline.el and one defined internally and captures more information. I propose we stop using the one from outline.el.
> org-mode uses `org-back-to-heading` a lot to navigate point back to the nearest heading.
> This just delegates to `outline-back-to-heading` from the outline.el package, which uses a regex for finding headlines: "[*\^L]+"
> Org also defines another heading regex which is more capable and captures more information: "^\\(\\*+\\)\\(?: +\\(.*?\\)\\)?[ \t]*$".
> I would propose changing org-back-to-heading to use that so that a user (like me :) ) can use `match-string` to grab the relevant parts of the string.
> Since this is a pretty simple, but sweeping change, I thought I'd bring it up here first before patching.
> Thanks!
> -deech

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