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CloseUrlParams 2.2.0 Requires Restart
by Erik Schmidt
Shows you the GET and POST parameters of the current website in the sidebar...
About this Add-on
You can alter their values, add new parameters, switch get/post and more.
For more info and how to use UrlParams, have a look at http://urlparams.blogwart.com
FF7-9 version available at the homepage.