On Tue, 22 Oct 2002, David Graham wrote:
> Date: Tue, 22 Oct 2002 13:54:14 -0600
> From: David Graham <[EMAIL PROTECTED]>
> Reply-To: Struts Developers List <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Re: HTML, XML, XHTML and <html:html>
>
> If we're not doing xhtml in 1.1 then we'll need to change some things:
> 1. All boolean attributes need to go back to minimized form
> <select multiple> instead of <select multiple="mulitple">
> This is currently implemented incorrectly anyways because in xhtml it
> should be <select multiple="true">
>
The expanded form of boolean attributes is legal in HTML/4.01[1] (see
Section
3.3.4). When you use one:
Boolean attributes may legally take a single value:
the name of the attribute itself (eg. selected="selected").
The minimized form (selected) is *optional*. There's a warning about some
browsers not recognizing the non-minimized form, but Struts has been doing
this since version 0.5 with no complaints.
Further, according to XHTML/1.0[2], section 4.5, the format Struts renders
is also correct for XHTML/1.0. The example that the spec gives for
correct usage is:
<dl compact="compact">
and not:
<dl compact="true">
Therefore, -1 on changing this.
> 2. Remove the ending / in <input> tags.
>
+1 on removing the trailing "/" where we recently added it for XHTML
compatibility.
> Here's my view:
> - Forget xhtml in 1.1
> - In 1.2 add a global configuration parameter that tells all html tags to
> emit xhtml (default to off). I don't care where this global param. goes but
> I do care that it be global and not dependant on using <html:html> or
> setting it on a tag by tag basis. I think a separate xhtml library of
> struts tags is going overboard.
>
We'll obviously need to figure out how much we care about XHTML in future
versions, which version of XHTML we think we want to support, and so on.
That's a discussion for the future - but my preference is likely to
continue to be that the markup language used to author a particular page
should be identified on that page (and not globally). This can be done
either with an xhtml attribute on the <html:html> tag, or by using a
separate tag library that is essentially equivalent to struts-html.tld but
defaults the xhtml setting to true.
> Having said that, the whole point of xhtml is that it's valid xml webpages
> that all browsers can read. Yes, people could be using other clients
> besides browsers but those are probably few. I'm personally not worried
> about xhtml breaking backwards compatibility but do understand that others
> are. So, I think the solution suggested above is a decent compromise.
>
> Comments?
>
> David
>
Craig
[1] http://www.w3.org/TR/html4/intro/sgmltut.html#h-3.3.4.2
[2] http://www.w3.org/TR/xhtml1/#h-4.5
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