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RE: UTF-8 use with XML

• To: Amelia A Lewis <amyzing@t...>
• Subject: RE: UTF-8 use with XML
• From: "Long, Craig Z" <craig.long@e...>
• Date: Fri, 13 Jun 2003 13:15:55 -0400
• Cc: Tim Bray <tbray@t...>, xml-dev@l...

One of the engineers here translates the hex as: <BirthCity>Koln</BirthCity>
is this correct? 


-----Original Message-----
From: Amelia A Lewis [mailto:amyzing@t...]
Sent: Friday, June 13, 2003 12:54 PM
To: Long, Craig Z
Cc: Tim Bray; xml-dev@l...
Subject: Re:  UTF-8 use with XML


Interesting.

Unicode code point FFFD: REPLACEMENT CHARACTER: used to replace an incoming
character whose value is unknown or unrepresentable in Unicode.

Not ill-formed, but not meaningful, either.

Amy!
On Fri, Jun 13, 2003 at 12:12:58PM -0400, Long, Craig Z wrote:
>Thanks Tim,
>
>Here is the hex for <BirthCity>K?/BirthCity>: 
>
>3C 42 69 72 74 68 43 69  74 79 3E 4B EF BF BD 2F 42 69 72 74 68 43 69 74 79
>3E
>
>EF BF BD are the questionable characters which replaced 3C.
>
>Craig
>
>-----Original Message-----
>From: Tim Bray [mailto:tbray@t...]
>Sent: Friday, June 13, 2003 11:16 AM
>To: Long, Craig Z
>Cc: xml-dev@l...
>Subject: Re:  UTF-8 use with XML
>
>
>Long, Craig Z wrote:
>> Given the following element using a utf character (created by a user's
>> system): <BirthCity>Trenton?/BirthCity> I've been told my system should
be
>> programmed to accept this.  I can't find any documentation which supports
>> yes or no to this premise.  Currently we reject this as not well-formed
>XML.
>> Please offer expertise concerning this issue.
>
>If it really contains a UTF8 character, no programming should be 
>required, all conforming XMl software is required to accept UTF data. 
>Things that could be wrong:
>
>- there's an encoding declaration at the front of the file saying it's
>   something other than UTF-8
>- you think it's UTF-8 but it isn't.
>
>If there's no encoding declaration, then the second is almost certainly 
>true.  If you provide a hex dump of the affected region there are 
>several people here who could look at it and tell you whether it's 
>really UTF-8
>
>-- 
>Cheers, Tim Bray
>         (ongoing fragmented essay: http://www.tbray.org/ongoing/)
>
>
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-- 
Amelia A. Lewis                    amyzing {at} talsever.com
Better to have thirty minutes of wonderful than a lifetime of nothing
special.

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