Procmail patch for Elm

Hello,
        About a year ago I got a really nice patch that allowed you to use
a 'M' command in elm (the 'magic' command) or run it on the command line,
"elm -M" that would allow elm to treat each folder in ~/Mail as the incomming
folder.  I am once again looking for this patch, if you know where I can
get a copy, please email me at zephyr(_at_)whale(_dot_)simmons(_dot_)edu - 
thanks!

           -David Carlin