How to force the content-type of each response?

Hi all,
This seems like a simple question, but I can't figure out how to do it. 
I have Spyce proxied behind Apache. With each response I would like to 
send this header:
   Content-Type: text/html; charset=utf-8

I realize that I can accomplish this with a custom tag that will call 
response.setContentType() but that only works if I remember to include 
the tag on each page. Is there any way to customize headers via 
spyceconf.py? Or via Apache config? My Apache-fu is pretty weak and I'm 
not sure one can get Apache to add headers to a response once 
responsibility for the response has been handed over to a proxy.


Thanks
Philip


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