memcache key double escaped

[Xavier Grangier]

Hello,

>
> It's expected as nginx escapes $memcached_key before passing it to
> memcached.  It escapes " ", "%", %00-%1F.
>

Thanks for your reply.  Yes I could see from source that memcache  
module escape the key.

But seems to me weird behaviour to escape values that are already  
escaped. It's not a problem if memcache user notice this. I'm pretty  
sure this leads to lots of cache miss.

xav