Corrected the "select flat" command, which failed to recompute the

selection bounding box, causing all following commands to fail to
handle anything in the selection outside of the unit area (0, 0) to
(1, 1).

VERSION

@@ -1 +1 @@
-8.3.267
+8.3.268

select/selEnum.c

@@ -654,7 +654,7 @@ selEnumCFunc1(scx, arg)
     (void) DBCellSrArea(&scx2, selEnumCFunc2, (ClientData) arg);
     if (arg->sea_foundUse == NULL)
     {
-	TxError("Internal error:  couldn't find selected cell %s.\n",
+	TxError("The selected cell %s is not in the layout.\n",
 	    arg->sea_use->cu_id);
 	return 2;
     }
@@ -816,7 +816,7 @@ SelEnumLabels(layers, editOnly, foundNonEdit, func, clientData)
 			TF_LABEL_ATTACH, selEnumLFunc2, (ClientData) &arg);
 	    if (arg.sea_foundLabel == NULL)
 	    {
-		TxError("Internal error:  couldn't find selected label %s.\n",
+		TxError("The selected label %s is not in the layout.\n",
 				selLabel->lab_text);
 		continue;
 	    }

select/selOps.c

@@ -301,6 +301,7 @@ SelectFlat()
 		SelectUse);
     DBCellCopyAllLabels(&scx, &DBAllTypeBits, CU_DESCEND_SPECIAL, SelectUse,
 		(Rect *)NULL);
+    DBReComputeBbox(SelectDef);
 
     SelRememberForUndo(FALSE, SelectRootDef, &SelectUse->cu_bbox);