Yes, that's the right one. If you download drscheme (www.drscheme.org) you can find the implementation at plt/collects/mzlib/cmdline.ss. (where plt is the root of your installation). Robby At Tue, 24 Sep 2002 11:26:07 -0400 (EDT), Anthony Carrico wrote: > I found the documentation for this library at: > http://download.plt-scheme.org/doc/mzlib/mzlib-Z-H-7.html#%_chap_7 > > -Anthony Carrico