This manual describes a framework for programmers developing applications MrEd. It assumes familiarity with MrEd as described in PLT MrEd: Graphical Toolbox Manual and MzScheme as described in PLT MzScheme: Language Manual.
Thanks to Shriram Krishnamurthi, Cormac Flanagan, Matthias Felleisen, Ian Barland, Gann Bierner, Richard Cobbe, Dan Grossman, Stephanie Weirich, Paul Steckler, Sebastian Good, Johnathan Franklin, Mark Krentel, Corky Cartwright, Michael Ernst, Kennis Koldewyn, Bruce Duba, and many others for their feedback and help.
This manual was typest using LATEX, SLaTeX, and tex2page. Some typesetting macros were originally taken from Julian Smart's Reference Manual for wxWindows 1.60: a portable C++ GUI toolkit.
This manual was typeset on Tuesday, August 27th, 2002.