You can literally generate any type of text-based response, so you can indeed make a fully XHTML-compliant website. It will take special care, however, as the rules for Visualforce was recently relaxed, so it is more upon the developer to ensure that XHTML compliance is achieved.
You can literally generate any type of text-based response, so you can indeed make a fully XHTML-compliant website. It will take special care, however, as the rules for Visualforce was recently relaxed, so it is more upon the developer to ensure that XHTML compliance is achieved.