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bug#17893: 24.4.50; (error "Marker does not point anywhere")
From: |
Andreas Schwab |
Subject: |
bug#17893: 24.4.50; (error "Marker does not point anywhere") |
Date: |
Mon, 27 Nov 2017 10:54:21 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
On Nov 27 2017, martin rudalics <rudalics@gmx.at> wrote:
> Note that I've been referring only to your earlier
>
> The problem I was thinking of is when buffer-local variables in buffer
> A hold markers whose buffer is A; then we clone buffer B from A, and
> then we kill buffer A. Now the markers in the cloned buffer point to
> a dead buffer (or actually point nowhere).
>
> I'm not sure why this can be a problem because when we delete a base
> buffer then the manual says that
>
> Killing the base buffer effectively kills the indirect buffer in that
> it cannot ever again be the current buffer.
>
> but in fact we kill any indirect buffer before killing its base buffer.
> Or I'm misreading the code of `kill-buffer'
Indirect buffer != cloned buffer. An indirect buffer is created by
make-indirect-buffer and shares the buffer text with the parent buffer.
A cloned buffer is created by clone-buffer, and is a new buffer
independent from its origin, with its own buffer text.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), (continued)
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), Andreas Schwab, 2017/11/25
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), Eli Zaretskii, 2017/11/25
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), Andreas Schwab, 2017/11/25
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), martin rudalics, 2017/11/26
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), Eli Zaretskii, 2017/11/26
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), martin rudalics, 2017/11/27
- bug#17893: 24.4.50; (error "Marker does not point anywhere"),
Andreas Schwab <=
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), martin rudalics, 2017/11/27
- bug#17893: 24.4.50; (error "Marker does not point anywhere"), Stefan Monnier, 2017/11/24