if ( lineStart >= 0 )
{
// ensure that if we have a multi-cell block we redraw all of
// it by increasing the refresh area to cover it entirely if a
// part of it is affected
if ( lineStart >= 0 )
{
// ensure that if we have a multi-cell block we redraw all of
// it by increasing the refresh area to cover it entirely if a
// part of it is affected