[Seaside] HTML5 and RenderLoopContinuation

[Boris Popov, DeepCove Labs]

Tobias,

This is what we do in our shared library class to configure all roots for HTML5,

aHtmlRoot beHtml5.
aHtmlRoot headElements copy do: [:ea | (ea isKindOf: WAMetaElement) ifTrue: [aHtmlRoot headElements remove: ea]].
(aHtmlRoot htmlAttributes)
    addClass: 'no-js';
    removeKey: 'xmlns';
    removeKey: 'xml:lang';
    removeKey: 'lang'.
aHtmlRoot headElements addFirst: ((WAMetaElement root: aHtmlRoot)
            attributeAt: 'charset' put: 'utf-8';
            yourself).
(aHtmlRoot meta)
    responseHeaderName: 'X-UA-Compatible';
    content: 'IE=edge,chrome=1'.    

-Boris


-----Original Message-----
From: seaside-bounces at lists.squeakfoundation.org [mailto:seaside-bounces at lists.squeakfoundation.org] On Behalf Of Tobias Pape
Sent: Thursday, November 22, 2012 5:08 AM
To: Seaside - general discussion
Subject: [Seaside] HTML5 and RenderLoopContinuation

Hi

I just played with Seaside and HTML5,
however, the resulting html is not HTML5 compatible.
The validator says	
	Line 2, Column 249: Bad value Content-Script-Type for attribute http-equiv on element meta.

which is the result of 

WARenderLoopContinuation>>updateRoot:
	"..."
	anHtmlRoot meta contentScriptType: WAMimeType textJavascript.
	anHtmlRoot htmlAttributes
		at: 'xmlns' put: 'http://www.w3.org/1999/xhtml';
		at: 'xml:lang' put: 'en';
		at: 'lang' put: 'en'.
	"..."

The content script type is incorrect as of HTML5.
(see answer here: 
	http://stackoverflow.com/questions/6320084/why-is-meta-http-equiv-content-script-type-mostly-unused#8864160
).
Also, 'xml:lang' is accepted for compatibility only, and 'xmlns' is incorrect for
HTML5 too (while silently ignored).

Long story short, can we optionalize this part?
I can work around the xml:lang and xmlns-attributes in a subsequent #updateRoot: but I cannot undo the content script type without editing WARenderLoopContinuation>>updateRoot:

If you want to, I can try to come up with something.

Best
	-tobias


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