about sub_filter. why not officially support more than one substitution rules per location?

[tOmasEn]

It's just strange to me. Since nginx wlready support one, why not support
another?

I have stack two layers of proxy_pass to get it done. Every inconvenience.


-- 
Tomasen
http://twitter.com/ShooterPlayer
http://t.sina.com.cn/Tomasen
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