HTML is more restrictive than XHTML. With HTML all tags or elements are written using lowercase characters. All elements must be closed and must be properly nested under a single root tag.

Question

Quizplus · Accepted Answer

This statement is actually the opposite of the truth. With XHTML, all tags must be written in lowercase characters and all elements must be closed and properly nested. HTML allows for uppercase characters in tags and is more flexible with closing tags and nesting.

HTML Is More Restrictive Than XHTML