5001 2007-09-02 23:52:25 +0000 XMLNS should not be needed for XHTML *TRANSITIONAL* only for *STRICT* 2007-09-03 00:55:24 +0000 1 1 1 Unclassified Validator Parser 0.8.1 PC Windows XP RESOLVED INVALID P2 normal --- 1 phil dave.null www-validator-cvs oldest_to_newest 16347 0 phil 2007-09-02 23:52:25 +0000 Many Document Types based on XML need a mandatory xmlns="" on the root element. For example, the root element for XHTML will look like: <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> This error is given to me when using *TRANSITIONAL* format despite it is in the spec only for *STRICT* format. The page I am validating today fails, but was validated by another version of this W3C validator on 5/19/2007 in which it passed. This is related to bug 4961, but that is for *STRICT* format. 16348 1 ot 2007-09-03 00:55:24 +0000 http://www.w3.org/TR/xhtml1/#strict is not for "XHTML strict" but for "strict conformance to XHTML" (whichever profile). The wording is confusing, but the need for a namespace comes from the XML nature of XHTML, whether it's the strict, transitional or frameset doctype.