ive just watched a tutorial teaching me the transitional version of xhtml v1.0, only to find out, to my dismay, that the strict version is more commonly ...

Work stops on the XHTML language, but W3C still plans an XML formulation of HTML5, to be done by the HTML working group. A prominent AJAX and Web development proponent applauded the W3C decision.

It includes HTML and XHTML tags both past and present, and shows you when the tag was deprecated, if it ever was. It's worth a bookmark if you're doing any web development or design, ...