On Mar 7, 2008, at 10:12, Jjgod Jiang wrote:
On Fri, 7 Mar 2008, Alexey Proskuryakov wrote:
In my testing, it appears that IE 7 and Firefox 2 do treat GBK as an equivalent of GB2312, but this cannot be said about GB18030. In particular, 0x80 and 0xA2E3 are treated differently.

Yep, I missed that point in my previous post, my fault. Yes, they
should be treated differently. So I guess my request should be changed
to only treat GB2312 as GBK.

According to source code[1], WebKit trunk also changes GB_2312-80 to GBK. Gecko aliases gb_2312-80 to GB2312 (due to FrontPage output according to source comment).

Also, WebKit changes KS_C_5601-1987 and EUC-KR to windows-949-2000. Gecko aliases[2] KS_C_5601-1987 to x-windows-949 (due to FrontPage output according to source comment). However, Gecko doesn't use its alias mechanism to alias EUC-KR to windows-949. I haven't tested if EUC-KR is treated equivalently to windows-949 by other means.

Yet another weird alias tidbit supported both by Gecko and WebKit source as well as Googling the subject: Looks like x-x-big5 needs to be an alias for Big5 due to FrontPage output.

[1] 
http://trac.webkit.org/projects/webkit/browser/trunk/WebCore/platform/text/TextCodecICU.cpp#L90
[2] 
http://mxr.mozilla.org/seamonkey/source/intl/uconv/src/charsetalias.properties#335
--
Henri Sivonen
[EMAIL PROTECTED]
http://hsivonen.iki.fi/


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