Have a read of this: http://oauth.net/core/1.0/#encoding_parameters. It explains everything.
<bb /> On Aug 20, 1:17 pm, mostafa farghaly <keepon...@gmail.com> wrote: > how to encode the request parameter in the post body, and in the base > string after getting the access_token and access_token_secret, it will > be very helpful if you give me the mapping from the reserved > characters and their percent encoding as my language encoding > facilities output different results than the twitter oauth guide page.