Is there a list of the changes you need to make to HTML 4.1 cose to
make it dual compliant, with XHTML 1.1 also?
13  2915 
Ben Sharvy wrote: Is there a list of the changes you need to make to HTML 4.1 cose to
make it dual compliant, with XHTML 1.1 also?
Not possible.
Headless
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Headless <me@privacy.net > wrote: Is there a list of the changes you need to make to HTML 4.1 cose to
make it dual compliant, with XHTML 1.1 also?
Not possible.
Apparently not, since there is no HTML 4.1. :-)
Assuming the OP really meant 4.01, despite writing twice 4.1,
the answer is indeed the same, though for a different reason.
But is there some _other_ reason than the different requirements on the
<!DOCTYPE> declaration that prevent "dual compliance" to the two
specifications? This is of course pretty theoretic, and I wonder why the
question was asked. (Browsers play by their own rules, and virtually all
browsers claimed to comply with HTML 4.01 actually fail compliance in
several ways, and compliance to XHTML 1.1 is hardly even a good joke.)
--
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Pages about Web authoring: http://www.cs.tut.fi/~jkorpela/www.html
"Jukka K. Korpela" <jk******@cs.tu t.fi> wrote in message news:<Xn******* *************** ******@193.229. 0.31>... But is there some _other_ reason than the different requirements on the
<!DOCTYPE> declaration that prevent "dual compliance" to the two
specifications?
The <!DOCTYPE> declaration is neither HTML nor XHTML, so it is
irrelevant to the question.
Put another way, is there a markup that allows the *option* of
(validly) declaring it to be either HTML or XHTML. bs*****@mac.com (Ben Sharvy) wrote: But is there some _other_ reason than the different requirements on
the <!DOCTYPE> declaration that prevent "dual compliance" to the two
specifications?
The <!DOCTYPE> declaration is neither HTML nor XHTML, so it is
irrelevant to the question.
Both HTML and XHTML specifications make a <!DOCTYPE> declaration a
mandatory part of an HTML or XHTML document. In fact this follows from the
metalanguage (SGML and XML) rules. Ref.:
"For the sake of brevity, most of the examples in this specification do
not begin with the document type declaration that is mandatory at the
beginning of each HTML document." http://www.w3.org/TR/html4/conform.html#h-4.2
"A Strictly Conforming XHTML Document - - must meet all of the following
criteria: - -
4. There must be a DOCTYPE declaration in the document prior to the root
element." http://www.w3.org/TR/xhtml1/#normative
(And the only conformance it defines is being "Strictly Conforming"!)
The <!DOCTYPE> declaration is clearly defined as being _part_ of a
document. Note the wording "at the beginning", not "before" in the first
quotation, and "in the document" in the latter.
--
Yucca, http://www.cs.tut.fi/~jkorpela/
Pages about Web authoring: http://www.cs.tut.fi/~jkorpela/www.html
Jukka K. Korpela wrote: rather a lot snipped
I think he's got the point now. I think what he's asking is whether
it's possible/convenient to author a document that, with a one-line
change to the DOCTYPE, can be either XHTML 1.0 or HTML 4.01.
My own take is fairly simple: yes, it's possible, and it's not even
that hard as long as you stick to semantic/logical markup rather than
trying to use TABLE for visual layout.
Owen
Owen Jacobson <oj************ **@mx-deus.net> wrote: I think he's got the point now. I think what he's asking is whether
it's possible/convenient to author a document that, with a one-line
change to the DOCTYPE, can be either XHTML 1.0 or HTML 4.01.
My own take is fairly simple: yes, it's possible, and it's not even
that hard as long as you stick to semantic/logical markup rather than
trying to use TABLE for visual layout.
You must also avoid empty elements (e.g., LINK, IMG) that cannot be
represented in a way that is valid for both HTML and XHTML.
--
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A gimmick car rallye is not a race, but a fun puzzle testing your
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Silicon Valley: Harry Potter & the Order of the Precedence (Sat, Sept 6)
Owen Jacobson wrote: Jukka K. Korpela wrote:
rather a lot snipped
I think he's got the point now. I think what he's asking is whether
it's possible/convenient to author a document that, with a one-line
change to the DOCTYPE, can be either XHTML 1.0 or HTML 4.01.
My own take is fairly simple: yes, it's possible, and it's not even
that hard as long as you stick to semantic/logical markup rather than
trying to use TABLE for visual layout.
No, tables for layout have nothing to do with it.
Matthias
"Owen Jacobson" <oj************ **@mx-deus.net> writes: Jukka K. Korpela wrote: rather a lot snipped
I think he's got the point now. I think what he's asking is whether
it's possible/convenient to author a document that, with a one-line
change to the DOCTYPE, can be either XHTML 1.0 or HTML 4.01.
My own take is fairly simple: yes, it's possible,
Provided you use _no_ empty elements or are happy to rely on browsers
not following the relevant SGML rules on <element />.
and it's not even that hard as long as you stick to semantic/logical
markup rather than trying to use TABLE for visual layout.
That would be a Strict / Transitional issue rather than an XHTML/HTML
issue, as far as I know. And yes, if the document is valid Strict it
can be served as valid Transitional [1], should you ever want to.
[1] With a doctype change, obviously.
--
Chris
Darin McGrew wrote: You must also avoid empty elements (e.g., LINK, IMG) that cannot be
represented in a way that is valid for both HTML and XHTML.
Oof. I missed that completely. Yeah, that's a big issue. For my own
information, is the following valid in XHTML 1.0? In HTML 4.01?
<link rel="stylesheet " href="pagestyle " type="text/css"></link>
The DTDs aren't entirely clear to me on that point. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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