Thank you for your message. I confirm that something is broken by using
example.
I'll try to check it out today. It will be fixed in 0.5.1.
Regards
I terrible sorry but the documentation was out-of-date. In git is now
updated.
I hope it will be helpful.
PS. I'm not sure of ?language=pl is supported.
PPS. Sorry for late responses but I was out for a weekend.