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  1. JDK
  2. JDK-4753019

stddoclet: "No character encoding detected" warning from HTML validator

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      Description

      When running W3C valicator http://validator.w3.org/
      on 1.4.x, get the following warning:

        Warning: No Character Encoding detected! To assure correct validation,
        processing, and display, it is important that the character encoding is
        properly labeled.

        The document character set for XML and HTML 4.0 is Unicode (aka ISO 10646).
        This means that HTML browsers and XML processors should behave as if they
        used Unicode internally. But it doesn't mean that documents have to
        be transmitted in Unicode. As long as client and server agree on the
        encoding, they can use any encoding that can be converted to Unicode.

        It is very important that the character encoding of any XML or (X)HTML
        document is clearly labeled . This can be done in the following ways:

         - For HTML, use the <meta> tag. Example:
           <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

         With this information, clients can easily map these encodings to Unicode.
         In practice, a few encodings will be preferred, most likely: ISO-8859-1
         (Latin-1), US-ASCII , UTF-8 , UTF-16 , the other encodings in the
         ISO-8859 series, iso-2022-jp , euc-kr , and so on.

         Source: http://www.w3.org/International/O-charset.html

      However, the I18N team has previously warned against using charsets in meta
      tags, so this discrepancy needs to be resolved.

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              • Assignee:
                bpatel Bhavesh Patel (Inactive)
                Reporter:
                dkramersunw Douglas Kramer (Inactive)
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