<GmmiContainer> ::=

"(" GmmiContainerObject <GmmiObject> "(" GmmiObjectPtrList {<AnyObject>}* ")" <flags.number> [<overrideInterior.GRInteriorAttr>] [<overrideBorder.GRBorderAttr>] [<overrideFont.GRFontAttr>] <GmmiBackdrop> ")"