Logout endpoint tries to render non-existent view in some cases

[davexunit]

The end of the logout endpoint code in lib/casserver/server.rb, there's the following if block:

 if @gateway && @service
 redirect @service, 303
 elsif @continue_url
 render @template_engine, :logout
 else
 render @template_engine, :login
 end

The middle condition attempts to render a view that doesn't exist. Is this intentional? Are users expected to write a custom logout view? If not, would it make sense to redirect to @continue_url instead?