From: 7stud -- <lists@...>
Date: 2012-09-23T11:02:33+09:00
Subject: Re: "percent-encoding" and "application/x-www-form-urlencoded"

This is what you want to be reading:

http://www.w3.org/TR/html401/interact/forms.html#h-17.13.3
http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1

So yes the body of your POST must be encoded.  As far as what ruby does? 
Who knows, the net/http docs are pitiful.  No wonder, who uses the 
internet anymore?  I suggest you do what works.

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