GNU bug report logs -
#13505
Bug#696026: emacs24: file corruption on saving
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Reported by: Rob Browning <rlb <at> defaultvalue.org>
Date: Sun, 20 Jan 2013 04:11:02 UTC
Severity: normal
Merged with 13377
Found in version 24.3.50
Done: Glenn Morris <rgm <at> gnu.org>
Bug is archived. No further changes may be made.
Full log
Message #11 received at 13505 <at> debbugs.gnu.org (full text, mbox):
Eli Zaretskii <eliz <at> gnu.org> writes:
> More to the point: there seems to be a fundamental misunderstanding
> here regarding the effect of selecting an encoding at save time. It
> sounds like the OP thought that selecting a "literal" encoding, such
> as raw-text, which is supposed to leave the binary stream unaltered
> (apart of the EOL format), will ensure that a buffer will be saved
> exactly as it was originally found on disk. But this is false. What
> raw-text and no-conversion do is to write out the _internal_
> representation of each character without any conversions. The
> original encoded form of the characters as found on disk at visit time
> _cannot_ be recovered by saving with raw-text, because that encoded
> form is lost without a trace when the file is _visited_ and decoded
> into the internal representation. The only information that's left is
> the coding-system used to decode the characters. But since the file's
> encoding in this case is inconsistent, that coding-system cannot be
> used to save it back (Emacs will not let you do so, as demonstrated in
> the report), and therefore the original form cannot be recovered this
> way.
Ahh, right; that make sense to me.
--
Rob Browning
rlb @defaultvalue.org and @debian.org
GPG as of 2011-07-10 E6A9 DA3C C9FD 1FF8 C676 D2C4 C0F0 39E9 ED1B 597A
GPG as of 2002-11-03 14DD 432F AE39 534D B592 F9A0 25C8 D377 8C7E 73A4
This bug report was last modified 11 years and 229 days ago.
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