When I add favourite it appears good in my favorites list when I navigate in my filter, but he didn't written in my mame4all.tag !!
So when I restarts they do not appear

Can you help me please ?!!
Thanks. (sorry for my english, I'm french)
There is a part of my attract.cfg :
list mame4all
layout pi-snes
romlist mame4all
filter All
rule FileIsAvailable equals .*
rule CloneOf not_equals .*
filter Favourites
rule Favourite equals 1