Which version of Extensible Hypertext Markup Language (XHTML)is not backward compatible with HTML?
A) 1.0
B) 1.1
C) 2.0
D) 5.0

Question

Which version of Extensible Hypertext Markup Language (XHTML)is not backward compatible with HTML?
A) 1.0​
B) ​1.1
C) ​2.0
D) ​5.0

Quizplus · Accepted Answer

XHTML 2.0 was not backward compatible with HTML, meaning that documents written in XHTML 2.0 would not be guaranteed to work in browsers designed for HTML 4.01 or earlier versions. This was a significant departure from previous versions of XHTML, which were designed to be backward compatible.

Which Version of Extensible Hypertext Markup Language (XHTML)is Not Backward