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RE: [xml-dev] UTF-8 Question: e with acute accent should require two bytes, right?
- From: "Erik Wright" <EWright@ttg.cc>
- To: "Costello, Roger L." <costello@mitre.org>,<xml-dev@lists.xml.org>
- Date: Fri, 28 Sep 2007 11:27:23 -0400
Not sure what editors you are using, but I used Eclipse to create a UTF-8
file, then viewed it using "od -t x1".
My file says "My résumé". It is output by dump as follows:
0000000 4d 79 20 72 c3 a9 73 75 6d c3 a9
The é is encoded as c3a9.
Which editor did you use to originally create the file?
-Erik
-----Original Message-----
From: Costello, Roger L. [mailto:costello@mitre.org]
Sent: September 28, 2007 11:13 AM
To: xml-dev@lists.xml.org
Subject: [xml-dev] UTF-8 Question: e with acute accent should require two
bytes, right?
Hi Folks,
Consider this element:
<title>My Resumé</title>
Notice: é (the character "e" with an acute accent). It is U-00E9
Since its code point is greater than U+0080, it requires more than one
byte.
Hex E9 = Decimal 233. This has the binary: 11101001
I believe that it is encoded in UTF-8 as two bytes:
11000011 10101001
These bytes correspond to hex C3 and hex A9.
Thus, é should be encoded in UTF-8 as:
C3A9
The code points of the other characters (My Resum) are all less than
U-0080, and so the UTF-8 encoding of those characters should be only
one byte.
So, this is what I believe should be the bytes:
M y R e s u m é
4D79 2052 6573 756D C3A9
Do you agree?
However, when I view the bytes in my hex editor I get this:
M y R e s u m é
4D79 2052 6573 756D E9
Notice that é uses only one byte.
Something is wrong. Here's what I think may be wrong:
- the editor that I am using to display the hex values is displaying
the code points and not the hex values. However, I have now tried two
editors, and they both display the same thing (E9). So perhaps the
editor isn't the problem. Perhaps I'm the problem, and am
misunderstanding something. Help!
/Roger
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