Nginx Substitutions Filter problem

[agentzh]

2011/9/29 姚伟斌 <nbubingo at gmail.com>:
> Sorry. I can't find any log from my substitutions module in your debug log.
> And I find the possible problem. The response from backend  server is
> gzipped.

Maybe we could check the Content-Encoding response header
automatically in ngx_subs and if it's gzip/deflate, just issue a
warning to error.log by default? ;)

Regards,
-agentzh