code: func FodderElementCountNewlines(elem FodderElement) int {
  	switch elem.Kind {
  	case FodderInterstitial:
  		return 0
  	case FodderLineEnd:
  		return 1
  	case FodderParagraph:
  		return len(elem.Comment) + elem.Blanks
  	}
  	panic(fmt.Sprintf("Unknown FodderElement kind %d", elem.Kind))
  }
docs: // FodderElementCountNewlines returns the number of new line chars represented by the fodder element