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 with IDL versions 5.3-6.1, not 6.2 and was never really tested with the 7.* versions. The underlying CDAWlib s/w was upgraded significantly to work with IDL8.*