Multiple IdPs without discovery

[Peter Schober]

* Phil Gold <phil at cs.jhu.edu> [2014-03-20 19:04]:
> > ShibRequestSetting entityID foo
> 
> Is this only for Apache 2.4?  I'm running Shibboleth SP 2.5.3 on Apache
> 2.2.15 (on Scientific Linux (RHEL) 6.5) and that setting has never worked
> for me.

It's not. Can you explain what "has never worked" means, specifically?
-peter