> > > > (set-output-port p) > > > > Adding the above line may allow the script to run properly from within GIMP > but it still leaves the question of why it works without when run by in addition the set-output-port procedure is neither a R5RS nor a R6RS standard (it is not recognized in MIT/GNU Scheme for instance) > TinyScheme. I'm leaving the bug report open until I have time to further > investigate the issue. > ok, thanks.