• w3c the high council > http://validator.w3.org/
• http://webstandards.org/
• http://www.alistapart.com/
• SVG
• Stylesheets validator > http://jigsaw.w3.org/css-validator/validator-uri.html
• “whats that wierd character?” » Html Entities

and if it doesnt work just Throw Shape . . ..