Thanks Maxim!

> This a problem in rewrite handling, it inconsistently escapes $1
> in some cases but not in others. And it's not really related to
> unicode, just any escaped char in uri will be enough to trigger
> escaping.

> This needs fixing.

Good to know. Thanks.


> > Is my nginx rewrite rule wrong? Is there a way to make this work?

> Avoid using rewrites.

Or avoid using nginx, but that won't be an ideal solution obviously. Hope that this gets fixed some time...