What's the difference in between XML, XHTML and HTML?

Answer 1

https://www.sololearn.com/Discuss/219578/html-v-xhtml
https://www.sololearn.com/Discuss/184626/what-is-the-difference-between-html-and-xml
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Answer 2

@edidiong This somehow provide me some points...but in case of HTML and XHTML which is more flexible to use or say easier?

Answer 3

@visph better.
that means XHTML is harder than HTML and is no more used. .
I got it now. .

Answer 4

the difference between all 3 is that
XML uses more strict syntax and therefore isn't popular in basic web development.
XHTML is the HTML like version of XML that uses more specific tags. HTML is the normal HTML.
<address></address><book></book> are examples of XHTML