code: public boolean setMargins(float marginLeft, float marginRight, float marginTop, float marginBottom) {
          if (writer != null && writer.isPaused()) {
              return false;
          }
          nextMarginLeft = marginLeft;
          nextMarginRight = marginRight;
          nextMarginTop = marginTop;
          nextMarginBottom = marginBottom;
          return true;
      }
docs: Sets the margins.
  
  @param	marginLeft		the margin on the left
  @param	marginRight		the margin on the right
  @param	marginTop		the margin on the top
  @param	marginBottom	the margin on the bottom
  @return	a <CODE>boolean</CODE>