* bug#5193: 23.1; single-key-description problem
@ 2009-12-12 16:03 Drew Adams
2011-09-18 9:56 ` Lars Magne Ingebrigtsen
0 siblings, 1 reply; 4+ messages in thread
From: Drew Adams @ 2009-12-12 16:03 UTC (permalink / raw)
To: bug-gnu-emacs
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emacs -Q
The character range (128 . 4194303) is bound to `self-insert-command'.
(single-key-description 128) gives "\200"
(single-key-description 4194303) gives "\377"
However, in the former case, "\200" is a string with one character,
\200. In the latter case, "\377" is a string with four characters, \,
3, 7, and 7.
In GNU Emacs 23.1.1 (i386-mingw-nt5.1.2600)
of 2009-07-29 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.4)'
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^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#5193: 23.1; single-key-description problem
2009-12-12 16:03 bug#5193: 23.1; single-key-description problem Drew Adams
@ 2011-09-18 9:56 ` Lars Magne Ingebrigtsen
2011-09-19 18:52 ` Stefan Monnier
0 siblings, 1 reply; 4+ messages in thread
From: Lars Magne Ingebrigtsen @ 2011-09-18 9:56 UTC (permalink / raw)
To: Drew Adams; +Cc: 5193
"Drew Adams" <drew.adams@oracle.com> writes:
> The character range (128 . 4194303) is bound to `self-insert-command'.
>
> (single-key-description 128) gives "\200"
> (single-key-description 4194303) gives "\377"
>
> However, in the former case, "\200" is a string with one character,
> \200. In the latter case, "\377" is a string with four characters, \,
> 3, 7, and 7.
Something seems to have changed here:
(single-key-description 128) => "€"
(single-key-description 4194303) => "\301\277"
But it's essentially still the same -- the 128 is a string of one
character, and the other one is a string of 8 characters.
I have no idea whether this is a bug or a feature, though.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog http://lars.ingebrigtsen.no/
^ permalink raw reply [flat|nested] 4+ messages in thread
* bug#5193: 23.1; single-key-description problem
2011-09-18 9:56 ` Lars Magne Ingebrigtsen
@ 2011-09-19 18:52 ` Stefan Monnier
2011-09-19 21:23 ` Andreas Schwab
0 siblings, 1 reply; 4+ messages in thread
From: Stefan Monnier @ 2011-09-19 18:52 UTC (permalink / raw)
To: Lars Magne Ingebrigtsen; +Cc: 5193
>> The character range (128 . 4194303) is bound to `self-insert-command'.
>> (single-key-description 128) gives "\200"
>> (single-key-description 4194303) gives "\377"
>> However, in the former case, "\200" is a string with one character,
>> \200. In the latter case, "\377" is a string with four characters, \,
>> 3, 7, and 7.
> Something seems to have changed here:
> (single-key-description 128) => "€"
This change is just the result of the switch from emacs-mule in
Emacs-22 to emacs-unicode in Emacs≥23 (i.e. 128 doesn't mean the same
char any more).
> (single-key-description 4194303) => "\301\277"
> But it's essentially still the same -- the 128 is a string of one
> character, and the other one is a string of 8 characters.
> I have no idea whether this is a bug or a feature, though.
Showing the internal representation of byte characters is clearly a bug.
I.e. (single-key-description 4194303) could/should return something like
"\377" either as a single char or as 4 chars.
Stefan
^ permalink raw reply [flat|nested] 4+ messages in thread* bug#5193: 23.1; single-key-description problem
2011-09-19 18:52 ` Stefan Monnier
@ 2011-09-19 21:23 ` Andreas Schwab
0 siblings, 0 replies; 4+ messages in thread
From: Andreas Schwab @ 2011-09-19 21:23 UTC (permalink / raw)
To: Stefan Monnier; +Cc: Lars Magne Ingebrigtsen, 5193-done
Stefan Monnier <monnier@iro.umontreal.ca> writes:
> Showing the internal representation of byte characters is clearly a bug.
Fixed on emacs-23.
> I.e. (single-key-description 4194303) could/should return something like
> "\377" either as a single char or as 4 chars.
The four char form is just the print representation and has nothing to
do with single-key-description.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
^ permalink raw reply [flat|nested] 4+ messages in thread
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2009-12-12 16:03 bug#5193: 23.1; single-key-description problem Drew Adams
2011-09-18 9:56 ` Lars Magne Ingebrigtsen
2011-09-19 18:52 ` Stefan Monnier
2011-09-19 21:23 ` Andreas Schwab
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