A procedure which creates a MONO-CHROME X-window for use by PGPLOT. This procedure will generate an error unless XDISPLAY has been invoked before either MXMAKE itself, or ICL if this is being used. Invocation is,
An optional integer argument permits additional windows to be opened, called GKS'137 (3800+ARG). The GKS X-windows supported run from 3800 to 3803.> mxmake [arg]