disused:xxxxxx or xxxxxx:disused ?

‘disuded’ first, an then the object, or object first and then ‘disused’ ? →
http://wiki.openstreetmap.org/wiki/DE:Key:disused:

i ask this , because here ; “railway=disused” →
http://wiki.openstreetmap.org/wiki/Key:disused:

I have in mind that OSM definition about that topic is documented at https://wiki.openstreetmap.org/wiki/Lifecycle_prefix

(withoit having read that wiki page in whole)