[Bug 16166] i18n-ISSUE-138: Make lang and xml:lang synonyms in HTML5


Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no> changed:

           What    |Removed                     |Added
                 CC|                            |xn--mlform-iua@xn--mlform-i
                   |                            |ua.no

--- Comment #2 from Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no> 2012-03-01 23:02:54 UTC ---
(In reply to comment #0)

> It's a pain in the neck to have to write both lang and
> xml:lang attributes on an element in a polyglot document,

Per HTML5: "The lang attribute in no namespace may be used on any HTML
element." THUS: @lang takes effect even "XHTML5". And XML-supporting Web
browsers already implement it.

Therefore, the authoring pain related to "have to write both lang and
xml:lang", could be solved by updating the Polyglot Markup spec to explicityly
say that xml:lang is *optional*. In fact, per HTML5, it is.

With regard to polyglot markup, then:

 1) Polyglot documents get more polyglot (the XML and HTML DOM
    becomes more similar) if one simply omits the xml:lang=""
    and instead only uses @lang.

 2) Polyglot documents also become simpler to author, if
    they only require @lang.

 3) XHTML 1.0 does not require xml:lang.
    XHTML 1.1 was updated 2010 to the effect that @lang was
    integrated without any requiremtn to simultaneously use
    xml:lang, see http://www.w3.org/TR/xhtml11/#status
    You may also check the validator: http://tinyurl.com/6wal8j2


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Received on Thursday, 1 March 2012 23:02:59 UTC