#### 22.4.2 Specifying namespace and language

You can specify the namespace and language of the <html> tag:

[HTMLOptions]
; XHNamespace default for XHTML 1.0 is "http://www.w3.org/1999/xhtml"
; Uncomment and give alternate if needed, do not leave blank
;XHNamespace=http://www.w3.org/1999/xhtml
; XHLanguage default is "en"
;XHLanguage=en
; XHLangAttr = xml:lang (default, set as needed;
; DocBook wants just lang)
;XHLangAttr=xml:lang

Although DITA2Go always produces valid code, it does not attempt to validate the content of your macros. We suggest you validate your document with the W3C’s free HTML validator:

http://validator.w3.org/

and CSS validator services:

http://jigsaw.w3.org/css-validator/

If your document is valid, you are offered a little graphic to include in it. See §22.14 Passing W3C validation tests.

Previous Topic: 22.4.1 Specifying HTML/XML version, DOCTYPE, and DTD

Next Topic: 22.4.3 Specifying character encoding for HTML

Parent Topic: 22.4 Supplying values for the <head> element

Sibling Topics:

22.4.1 Specifying HTML/XML version, DOCTYPE, and DTD

22.4.3 Specifying character encoding for HTML

22.4.4 Including or omitting HTML/XML generator information

22.4.5 Specifying page titles for HTML output files

22.4.6 Supplying content for the <meta> tag

22.4.7 Specifying nonstandard values for declarations

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