The following routines were modified or enhanced in IDL 5.4. They may or may not affect cdfx.pro, but the routine certainly uses them. - Analysis routine: Roberts - Spawn. Called by DeviceClose, IDLMakeCDF, Pickdir and Getdirs - Xdisplayfile. Called by Pickdir and cdfx - Xfont - Xinteranimate - Xloadct - Xvaredit RCJ 09/00 CDFx is currently known to work on IDL versions 5.3-6.1. IDL 6.2 on 32-bit platforms may also work, but 64-bit platforms are not yet supported.