Re: Unicode conference papers

From: Martin Duerst (duerst@it.aoyama.ac.jp)
Date: Mon Nov 27 2006 - 01:15:16 CST

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    Hello Jukka,

    Many thanks for your detailled checks. The page has been fixed
    in the meantime, but some comments below.

    At 17:17 06/11/23, Jukka K. Korpela wrote:
    >On Wed, 22 Nov 2006, Martin Duerst wrote:

    >> Yes. The W3C site has quite a lot of these, too, even if they are
    >> fortunately usually limited to single characters such as the copyright
    >> sign. Here's an example:
    >> http://www.w3.org/2001/Annotea/User/Papers.html
    >
    >That page is a somewhat different case. There's more than the copyright sign that is wrong there, namely the registered sign and two occurrences of e with acute (in the name "Jos$Bq(B), too. Moreover, the page says
    > <?xml version="1.0" encoding="iso-8859-1"?>
    >_and_
    > <meta http-equiv="content-type"
    > content="application/xhtml+xml; charset=UTF-8" />
    >but what really matters is the HTTP header
    > Content-Type: text/html; charset=iso-8859-1
    >
    >If you manually change the encoding used by a browser to UTF-8, the $Bq(Bs become right and the two other non-ASCII characters become a little less
    >obscured by extra characters before them. There _is_ a "double UTF-8" involved, too, but the primary problem is that the declared encoding
    >is not the one actually used on the page.

    Well, put in other words, that page is on it's way to more "double UTF-8"
    encoding. It gets downloaded as iso-8859-1 and uploaded as utf-8. Every time
    that's done, potentially another "double UTF-8" is added (or to be precise,
    we move from "double UTF-8" to "triple UTF-8" and so on). If different parts
    have been added at different stages, then they will be more or less overencoded.

    Regards, Martin.

    #-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
    #-#-# http://www.sw.it.aoyama.ac.jp mailto:duerst@it.aoyama.ac.jp



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