[moonrab]

Do not be naive , treaty signed if want to break away will means war.
Johor have very few troops only to protect the palace only. 
To ask for economy autonomy status as east Malaysia, Johot will need all states to agree.
and then if Anwar as a PM will act to change constitution.
Especially Dr Mah has removed most of monarchy powers.

"Sultan Ibrahim claimed that the Federation of Malaya agreement - formulated for the Malayan Union in 1948 - allows Johor to secede should any terms be breached."

Not I say one hor..🤣
Can ask Tunku..