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Re: Overlays as an AA-tree
From: |
Andreas Politz |
Subject: |
Re: Overlays as an AA-tree |
Date: |
Fri, 03 Feb 2017 11:24:47 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Eli Zaretskii <address@hidden> writes:
>> From: Andreas Politz <address@hidden>
>> Overlay[s] [...] positions may change in one of 3 ways: [...]
>> Is this the correct model ?
>
> Not sure what you are asking here. You actually described the model
> of modifying buffer text, which is only tangentially related to
> overlays.
Confirmation. Too many times I thought I had a grasp on something, exept
I didn't. I think its an important issue, because it influences the
performance penalty overlays have on editing text. (Note: I don't plan
to keep the markers.)
>> Someone mentioned in a different thread,
>> that occasionally we may have B > E. How does this happen ?
>
> I don't think it can happen, except during internal operations [...]
I see.
> There are also overlays that evaporate.
Now thats what I would call tangential. (Just teasing.)
-ap
- Re: Overlays as an AA-tree, Andreas Politz, 2017/02/03
- Re: Overlays as an AA-tree, Stefan Monnier, 2017/02/04
- Re: Overlays as an AA-tree, Andreas Politz, 2017/02/04
- Re: Overlays as an AA-tree, Joakim Jalap, 2017/02/06
- Re: Overlays as an AA-tree, Andreas Politz, 2017/02/06