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bug#25592: Feature request: sorting overlays

From: Clément Pit--Claudel
Subject: bug#25592: Feature request: sorting overlays
Date: Thu, 2 Feb 2017 14:41:21 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 2017-02-01 08:01, Eli Zaretskii wrote:
>> From: Clément Pit--Claudel <address@hidden>
>> Date: Tue, 31 Jan 2017 15:32:26 -0500
>> Is there a way to get a list of all overlays in a buffer, sorted by priority?
> I'm not sure I understand the request.  Do you mean that the result of
> this would be a list of overlays, where the first one is the overlay
> of the highest priority _anywhere_ in the buffer, the next one of the
> 2nd highest priority, possibly in an entirely different place in the
> buffer, and so on -- i.e. completely disregarding the overlay
> positions? 

Yup, that's what I mean.

> That's a very strange order.  Which job(s) need(s) such an
> order, and why?

I'm writing a function that copies overlay properties to text properties.  I 
reimplemented compare_overlays in ELisp, but that seems brittle.


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