CodeChunkPlayer         CodeChunkPlayer, ConstructDemo - tools for
                        browsing and evaluation of code chunks
args.player             An interactive Tcl/Tk Tool for Evaluation of
                        Functions Calls
cat                     modified version of cat for relax
menu                    modified version of menu for relax
playground              playground for testing R code
print                   modified version of print for relax
readline                modified version of readline for relax
relax                   R editor: relax
scan                    modified version of scan for relax
slider                  slider / button control widgets
step                    modified version of step for relax
str                     modified version of str for relax
tangleR                 function to tangle a file
weaveR                  function to weave a file
weaveRhtml              function to weave a rev-file to a html-file
