Can I have a marquee on a xhtml strict web page? w3.validator returns the following error: element "marquee" undefined.
"Element undefined" means that tag isn't in the specification for the doctype you specified. So no. The verbose output from the w3 validator gives more detail:
The marquee tag is a proprietary IE tag. It is incompatible with a lot of browsers and imho the effect is tacky and outdated. If you want to design a site that is accessible and user friendly, drop it like a hot brick. Just my opinion ;o) T
Mine too, marquee is IE only, although most browsers enabled it these days, that doesn't change the fact that it is not standard. Wonder how blind people see it anyway. You should probably drop it anyway because its irritating