Re: How does server decide what text encoding for response?
Re: How does server decide what text encoding for response?
- Subject: Re: How does server decide what text encoding for response?
- From: Quinn <email@hidden>
- Date: Wed, 23 Jan 2008 12:23:02 +0000
At 15:37 -0800 22/1/08, Jerry Krinock wrote:
So, we have two Macs, his and mine, both in western USA, both
querying the same Google account. Google sends my Mac UTF8, but
sends his Mac ISO-8859-1. Repeatable. How can this be? Does the
URL Loading System add anything to a request under the hood which
might cause Google to think that he wants ISO-8859-1 instead of UTF8?
Obviously I have no idea how Google determines what encoding to use
in the response. The only way to get a definitive answer to that
question is to ask Google. However, I suspect that there's something
in the HTML request headers that's causing the difference. Here's
the headers that my Mac sends to load the main page of
<http://stanford.edu>.
GET / HTTP/1.1
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-au)
AppleWebKit/523.10.6 (KHTML, like Gecko) Version/3.0.4 Safari/523.10.6
Accept:
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en-au
Accept-Encoding: gzip, deflate
Cookie: [...]
Connection: keep-alive
Host: stanford.edu
The most likely candidate is the "Accept-Language" header. In my
case that's "en-au" because I have Australian English selected as my
preferred language in the International panel.
Get your user to do a packet trace of the connection and compare
what's being sent on the wire on his machine versus your machine.
At 15:37 -0800 22/1/08, Jerry Krinock wrote:
That would be odd, since this user is Korean-American. Although his
top language in System Preferences > International is English, he
has more boxes checked in the "Input" tab than I do.
Indeed, that would be odd. AFAICT the "Accept-Language" header is
entirely determined by the first item listed in in the International
preferences pane. Once you've determined that the problem /is/
actually caused by this header, have your user do the following and
send you the results:
$ defaults read -g AppleLanguages
(
"en-AU",
"en-GB",
en,
ja,
de
)
S+E
--
Quinn "The Eskimo!" <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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