- Grob * rgr = get_x_bound_grob (columns.top (), dir);
- Real x0 = lgr->extent (commonx,X_AXIS)[LEFT];
- Real x1 = rgr->extent (commonx,X_AXIS)[RIGHT];
-
+ Grob * rgr = get_x_bound_grob (columns.top (), dir);
+
+ Real x0 = robust_relative_extent (lgr, commonx, X_AXIS)[LEFT];
+ Real x1 = robust_relative_extent (rgr, commonx, X_AXIS)[RIGHT];