Why don't self-closing script elements work?

Question

What is the reason browsers do not correctly recognize:

Answer 1

XHTML 1 specification says:

С.3. Element Minimization and Empty Element Content

Given an empty instance of an element whose content model is not EMPTY (for example, an empty title or paragraph) do not use the minimized form (e.g. use

and not

).

XHTML DTD specifies script elements as: