Any free XHTML CSS editor with live(on type) W3C validation?

Question

I know W3C Validator can do this but i need any free offline editor.

I would like to see live error in IDE if i'm not closing any tag mistakenly like this http://livevalidation.com/ not after coding whole document.

if anything is not proper in xhtml and css then ID should show error on that place in source code.

Answer 1

Use

HTML Tidy

HTML Tidy is an open source program and library for checking and generating clean XHTML/HTML

Answer 2

CSE HTML Validator Lite - FREE HTML Editor and HTML Checker for Windows validator

and another by using firefox addon which can be downloaded from mozilla site

Answer 3

Emacs + flymake + tidy. http://www.emacswiki.org/emacs/FlyMake#toc18