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bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff
From: |
Stefan Monnier |
Subject: |
bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff |
Date: |
Fri, 11 Apr 2014 16:06:08 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
>> Any non-number value was treated as nil by the display engine, whereas
>> now some cons values are treated as something else.
> So even if your previous point was correct, it's still an incompatible
> change. A cons cell can no longer be used to mean "no explicit priority".
Indeed. Tho as you said:
I really doubt anyone was intentionally using anything else to mean "nil".
So I think we're safe on this side of the backward incompatibility.
> But I imagine ediff was not the only package trying to get the priority
> of an overlay and do something with the answer (however misguided you
> think that might be).
Hard to tell. Not sure what we can do about it, tho.
Stefan
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Nicolas Richard, 2014/04/10
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Stefan Monnier, 2014/04/10
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Glenn Morris, 2014/04/10
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Stefan Monnier, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Eli Zaretskii, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Stefan Monnier, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Glenn Morris, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff,
Stefan Monnier <=
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Glenn Morris, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Stefan Monnier, 2014/04/15
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Eli Zaretskii, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Stefan Monnier, 2014/04/11
- bug#17234: 24.3.50; overlay priority : cons cells make an error in ediff, Eli Zaretskii, 2014/04/21