W3C home > Mailing lists > Public > www-validator@w3.org > September 2005

Re: W3C Validator vs Schneegans

From: Christoph Schneegans <Christoph@Schneegans.de>
Date: Mon, 05 Sep 2005 14:28:04 GMT
To: <www-validator@w3.org>
Message-ID: <dfhrmk.2s8.1@mail.christoph.schneegans.de>

Frank Ellermann wrote:

> I was only a bit surprised by the error message for
> <http://purl.net/xyzzy/lab.htm> - it found an "invalid"
> <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> for the 302.

Well, the response body is not a well-formed XML document.

>>> insists on UTF-8 for all documents without XML-encoding
>> Absolutely not, it complies with <http://www.w3.org/TR/xhtml1/#C_9>
>> for "text/html"
> Then something with my page (see above) is not as you expect
> it,

There's no "charset" parameter in the "Content-Type" header, no BOM
and no XML declaration with an "encoding" pseudo-attribute. Therefore,
the default encoding of XML is assumed, which is UTF-8. The "meta"
element is ignored. This is fully intentional and complies with
<http://www.w3.org/TR/xhtml1/#C_9>. I know that the W3C validator
accepts an encoding declaration in a "meta" element for XHTML
documents served as "text/html", and I consider this a bug.

> <!ELEMENT fieldset ( legend, (#PCDATA | %block; | form | %inline; | %misc;)*)>

This is not even well-formed XML. See
<http://www.w3.org/TR/REC-xml/#NT-contentspec>. Only
<http://www.w3.org/TR/REC-xml/#NT-Mixed> can produce '#PCDATA'.

> As "validator-fan" for years I'm a bit angry if it's attacked
> only because the XHTML DTDs are sloppy (?).

That's not the case. The validator is attacked mainly because of two

- It tells its users that it can check "HTML and XHTML (documents) for
conformance to W3C Recommendations and other standards". This is at
least misleading. Several suggestions were made in

- It is unable to check XML well-formedness, but doesn't admit this.
Instead, it uses the euphemism "some limitations". Web browsers today
are able to find (almost all) well-formedness errors, the validator
isn't! Furthermore, it refers to
<http://openjade.sourceforge.net/doc/xml.htm>. What do you think how
many users know what "parameter separators" and "parameter literals"
are? You should also see the "translation" in

<http://schneegans.de/>                                              |
Received on Monday, 5 September 2005 14:33:33 UTC

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