The IDL 7.1.1 Workbench update corrects a problem with the IDL Workbench editor on Macintosh systems. NOTE: If you are not running IDL 7.1 on a Macintosh, you do not need to install this update. The update and readme is available from the IDL download page at http://www.ittvis.com/dow...sp?urlProductCode=10 Regards, Bill Okubo IDL Product Manager