what the postscipt system in Genera does Its main purpose appears to be for previewing files. (It is not actually part of Genera, but Concordia.) is there any doucumentation None for the system itself. Can it be used to do postscript preview in a window? Try the command "Display Postscript File". The only exported symbol from the package is POSTSCRIPT:DISPLAY-FROM-STREAM. John Krieger s9274@srl1.lanl.gov