Trying again to check it in. Changes to:

- Use Universal Headers as input
- Change addpack calls to not depend on Guido's disklayout
- Checkge testprograms to use new names for some functions

Mac/Modules/dlg/dlgsupport.py

@@ -3,14 +3,19 @@
 # It execs the file dlggen.py which contain the function definitions
 # (dlggen.py was generated by dlgscan.py, scanning the <Dialogs.h> header file).
 
+import addpack
+addpack.addpack(':Tools:bgen:bgen')
+
 from macsupport import *
 
 # Create the type objects
 
 DialogPtr = OpaqueByValueType("DialogPtr", "DlgObj")
+DialogRef = DialogPtr
 
 ModalFilterProcPtr = InputOnlyType("PyObject*", "O")
 ModalFilterProcPtr.passInput = lambda name: "NewModalFilterProc(Dlg_PassFilterProc(%s))" % name
+ModalFilterUPP = ModalFilterProcPtr
 
 RgnHandle = FakeType("_self->ob_itself->visRgn") # XXX