-- ! SpecTcl, by S. A. Uhler -- -- Copyright (c) 1994-1995 Sun Microsystems, Inc. -- -- See the file "license.txt" for information on usage and redistribution -- of this file, and for a DISCLAIMER OF ALL WARRANTIES. -->
Before we place the 2 labels into the sub-grid, its frame is filled along the x direction so the sub-grid will fill all three of its columns.