HTML 5: Is it , , or ?

Question

I\'ve tried checking other answers, but I\'m still confused — especially after seeing W3schools HTML 5 reference.

I thought HTML 4.01 was supposed to \"allow\" singl

Answer 1

In HTML (up to HTML 4): use


In HTML 5:
is preferred, but
and
is also acceptable

In XHTML:
is preferred. Can also use
or



Notes:

• 

is not valid in HTML 5, it will be thought of as two line breaks.
• XHTML is case sensitive, HTML is not case sensitive.
• For backward compatibility, some old browsers would parse XHTML as HTML and fail on
but not


Reference:

• http://www.w3schools.com/tags/tag_br.asp
• http://en.wikipedia.org/wiki/XHTML