code: public MarkedSection addSection(float indentation, int numberDepth) {
  		MarkedSection section = ((Section)element).addMarkedSection();
  		section.setIndentation(indentation);
  		section.setNumberDepth(numberDepth);
  		return section;
  	}
docs: Creates a <CODE>Section</CODE>, adds it to this <CODE>Section</CODE> and returns it.
  
  @param	indentation	the indentation of the new section
  @param	numberDepth	the numberDepth of the section
  @return  a new Section object