In-content preferences are now available in Firefox Nightly

[JMH]

Starting today, users can access in-content preferences in Firefox Nightly.

First, a big congratulations to Zuhao (Joe) Chen, Jon Rietveld, Owen Carpenter, and Devan Sayles. The four students from Michigan State University worked through their spring semester to bring in-content preferences to Firefox.

http://msujaws.wordpress.com/2012/05/10/in-content-preferences-are-now-available-in-firefox-nightly/

 

[zigzag3143]

Another source

http://www.ghacks.net/2012/05/11/firefox-in-content-preferences/