public void spacing(){
  int len=m_bias + m_tagStack.size() * m_tab;
  for (int i=0; i < len; ++i)   m_out.print(' ');
}

public void spacing ( ) { int len = m_bias + m_tagStack . size ( ) * m_tab ; for ( int i = 0 ; i < len ; ++ i ) m_out . print ( ' ' ) ; }
print the current spacing ( determined by the indentation level ) into the document . this method is used by many of the other formatting methods , and so should only need to be called in the case of custom text printing outside the mechanisms provided by this class .
