On Wednesday 15 March 2000, at 15 h 32, the keyboard of Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de> wrote: > Also, there is no advertised interface for piping. (a pipe is just a byte > stream). So piping between GPL and not-GPL-compatible is OK, but Corba (which uses an IDL file) or popen (which uses the documented "usage") is not?