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Re: WO 5.4 form value encoding problem
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Re: WO 5.4 form value encoding problem


  • Subject: Re: WO 5.4 form value encoding problem
  • From: Alan Ward <email@hidden>
  • Date: Tue, 24 Jun 2008 12:05:27 -0600


Thanks Steve, accept-charset is what I was trying to retrieve from my murky memory. It's a long time
since I've worked with a browser ;-)


Alan

On Jun 24, 2008, at 11:57 AM, Steve Quirk wrote:


On Tue, 24 Jun 2008, Alan Ward wrote:

On Jun 24, 2008, at 10:56 AM, Kenny Leung wrote:

I've figured it out - you have to stick in a meta tag to force the browser to use UTF-8. Something like.
<html>
<head>
<meta charset="UTF-8"></meta>
</head>
<body>
Some stuff...
</body>
</html>

No, that tells the browser what encoding the page is in. Forms have an "accept-encoding" tag which
tells the browser how to encode the user input that it's going to post.


Note that I simply cannot get it to work with ISO8859_1 encoding.

That's probably because you're not doing it right ;-)

And doing it right is pretty easy - just follow the spec:

http://www.w3.org/TR/html401/interact/forms.html#adef-accept-charset

accept-charset = charset list [CI]

This attribute specifies the list of character encodings for input data that is accepted by the server processing this form. The value is a space- and/or comma-delimited list of charset values. The client must interpret this list as an exclusive-or list, i.e., the server is able to accept any single character encoding per entity received.

The default value for this attribute is the reserved string "UNKNOWN". User agents may interpret this value as the character encoding that was used to transmit the document containing this FORM element.


Charset problems can be a real pain, especially when dealing with legacy databases. It really does pay to know enough about the specs to look up the right way when you're confronted with a problem.


Steve


Alan

-Kenny
On Jun 23, 2008, at 10:16 AM, Kenny Leung wrote:
Hi All.
I've bumped into an incompatibility between WebObjects 5.3 and 5.4. In 5.3, I could submit a form value with non-ASCII characters, and their encoding would be correctly interpreted. In 5.4, the encoding is misinterpreted.
I printed out the actual request contents, and, for instance e- acute is sent as é, which as far as I know is correct ISO8859 encoding. I read in the release notes that WO 5.4 now defaults to UTF8 encoding, so I tried to change the request's defaultFormValueEncoding to ISO8859_1. Then it got interpreted as a literal é!
Can anybody shed some light on this? I have searched the lists and the Google, and have come up empty.
Thanks!
-Kenny
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References: 
 >WO 5.4 form value encoding problem (From: Kenny Leung <email@hidden>)
 >Re: WO 5.4 form value encoding problem (From: Kenny Leung <email@hidden>)
 >Re: WO 5.4 form value encoding problem (From: Alan Ward <email@hidden>)
 >Re: WO 5.4 form value encoding problem (From: Steve Quirk <email@hidden>)

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