From:  Christian Biesinger <cbiesinger@web.de>
Date:  25 Nov 2004 10:30:59 Hong Kong Time
Newsgroup:  news.mozilla.org/netscape.public.mozilla.editor
Subject:  

Re: Adding my own tag in HTML

NNTP-Posting-Host:  line-a-97.dynamic-athome.inode.at

Daniel Kirsch wrote:
> You may just add that tag and style it with CSS. It's no valid HTML. You 
> may also add a second namespace which defines your element.

HTML does not support namespaces. (Although XHTML does.)