wp_role_predicate

wp_role_predicate   role   { title "" }

Returns a plain-English string describing an role (read/write/admin).

Source code:

    if { $title != "" } {
	set space " "
    } else {
	set space ""
    }

    if { $role == "read" } {
	return "view the presentation$space$title"
    } elseif { $role == "write" } {
	return "view and make changes to the presentation$space$title"
    } elseif { $role == "admin" } {
	return "view and make changes to the presentation$space$title, and decide who gets to view/edit it"
    }
    error "role must be read, write, or admin"