if ( _charRangeFound )
{
for ( int c = _charStart; c < _charEnd; c++ )
{
CHPX chpx = _characters.get( c );
int left = Math.max( this._start, chpx.getStart() );
int right = Math.min( this._end, chpx.getEnd() );
if ( left >= right )
throw new AssertionError();
}
}