- var mpackage = new MPackage(pn, model)
- mgroup = new MGroup(pn, mpackage, null) # same name for the root group
- mgroup.filepath = path
+ var loc = new Location.opaque_file(path)
+ var mpackage = new MPackage(pn, model, loc)
+ mgroup = new MGroup(pn, loc, mpackage, null) # same name for the root group