- From: David Luo <webmaster@brezosoft.com>
- Date: Mon, 24 May 2004 09:09:28 +0800
- To: <www-html-editor@w3.org>
- Message-ID: <001b01c4412b$c5b43fa0$39a8f2da@davidloo>
----- Original Message ----- From: "Bjoern Hoehrmann" <derhoermi@gmx.net> To: <www-html-editor@w3.org> Sent: Monday, May 24, 2004 2:22 AM Subject: XHTML M12N: Clarify "ContentType" > > Dear HTML Working Group, > > Regarding all your specifications that refer to something that is > referred to using the %ContentType; parameter entity in HTML 4.0 > and subsequent technical reports, what is the lexical space of these > attributes and how are implementations required to process legal and > illegal values, are there differences between the attributes that > have this content model, are there differences between the various > specifications that refer to this type? Specifically, for the > following cases, what kind of error, if any, do they constitute and > how are implementations (which?) required to process them? > > a) the attribute refers to a type that cannot be found on > ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/ > for example, "application/xhtml+xml" > > b) the attribute refers to a type that cannot be found on > http://www.iana.org/assignments/media-types/ > for example, "application/ecmascript" > > c) the attribute refers to an experimental type > for example, "text/x-javascript" > > d) the attribute refers to syntactically illegal type > for example (in case this is an illegal type), > "björn 2004" > > e) the attribute refers only to a top level media type as > per RFC 2045, for example "image" > > f) the attribute refers to media type, sub type and a legal > parameter, for example > > 'application/xhtml+xml; > profile="http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd"' > > g) as in f) but with an illegal parameter value, > for example (in case this is illegal) > > 'application/xhtml+xml;profile="(ö)"' > > h) as in f) but with an illegal parameter, > for example (in case this is illegal) > > 'application/xhtml+xml;x=y' > > If parameters are allowed, please further clarify their effect on the > mechanisms for alternate resources (the "alternate" keyword for the > rel/rev attributes) like alternate style sheets, and encoding detection, > for example, if a link refers to a HTML document without encoding > information and has a type="text/html;charset=utf-8" is the user agent > required to use this as encoding information when decoding the document? > Is it, if not required, allowed to do that? What is an implementation > required to do if there is encoding information for the referenced > document? If there is a "charset" attribute on the same link, which of > the specification takes precedence? Is it an error if those contradict? > > regards. > >http://www.kmailer.com >http://www.brezosoft.com >
Received on Sunday, 23 May 2004 21:08:39 UTC