* Strange `UTF-8'?
@ 2000-08-08 9:38 Kai Großjohann
2000-08-08 10:01 ` Toby Speight
0 siblings, 1 reply; 3+ messages in thread
From: Kai Großjohann @ 2000-08-08 9:38 UTC (permalink / raw)
I received a message which was labeled charset=UTF-8, but my name was
all wrong. I then used Mule-UCS to create a UTF-8 file with my name
in it, ran `less' on it, and got this output:
Gro<C3><9F>johann
Running `less' on the message file was different:
Gro<C3><83>Yjohann
What is happening here? Do the two encodings mean the same thing (but
Mule-UCS does not know that), or is the second one bogus? Why is it
bogus?
The message was created with:
X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.14-15mdksecure i686)
kai
--
I like BOTH kinds of music.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Strange `UTF-8'?
2000-08-08 9:38 Strange `UTF-8'? Kai Großjohann
@ 2000-08-08 10:01 ` Toby Speight
2000-08-08 10:44 ` Kai Großjohann
0 siblings, 1 reply; 3+ messages in thread
From: Toby Speight @ 2000-08-08 10:01 UTC (permalink / raw)
0> In article <vaf4s4wt7mp.fsf@lucy.cs.uni-dortmund.de>,
0> Kai Großjohann <URL:mailto:Kai.Grossjohann@CS.Uni-Dortmund.DE> ("Kai") wrote:
Kai> I received a message which was labeled charset=UTF-8, but my name was
Kai> all wrong. I then used Mule-UCS to create a UTF-8 file with my name
Kai> in it, ran `less' on it, and got this output:
Kai>
Kai> Gro<C3><9F>johann
Decoding C39F gives 3<<6 + 1F == DF == ß
So that looks right to me.
Kai> Running `less' on the message file was different:
Kai>
Kai> Gro<C3><83>Yjohann
C383 => u-00C3 == Ã
And the Y (u-0059) is completely spurious. (Remember, in UTF-8, all
US-ASCII characters stand for themselves - C0-FF are initial bytes,
and 80-BF are continuation bytes).
Kai> What is happening here? Do the two encodings mean the same thing (but
Kai> Mule-UCS does not know that), or is the second one bogus? Why is it
Kai> bogus?
The second one is wrong (but not bogus in the sense of broken - it
just represents something different from the intent). I'm not sure
how it got like that. It looks like it's been double encoded: the
leading C3 has been re-encoded as C383, and 9F, not being in Unicode
has gone very random. Just a guess, though.
Kai> The message was created with:
Kai>
Kai> X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.14-15mdksecure i686)
^ permalink raw reply [flat|nested] 3+ messages in thread
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2000-08-08 9:38 Strange `UTF-8'? Kai Großjohann
2000-08-08 10:01 ` Toby Speight
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