Following persons have contributed to url_escape.
(Sorted by number of submitted patches, then alphabetically)

    32 TJ Vanderpoel <tj@rubyists.com>
    12 Trey Dempsey <trey.dempsey@gmail.com>
     5 Jayson Vaughn <jayson@onedrop.(none)>
     5 Michael Fellinger <mf@rubyists.com>
     2 Evan Phoenix <ephoenix@engineyard.com>
     1 Kevin Berry <kb@rubyists.com>
