case  eHTMLTag_pre:
static PRBool BreakAfterClose(eHTMLTags aTag){  PRBool  result = PR_FALSE;  switch (aTag)  {    case  eHTMLTag_html:    case  eHTMLTag_tr:    case  eHTMLTag_th:    case  eHTMLTag_td:      result = PR_TRUE;    break;    default:      result = IsBlockLevel(aTag);  }  return result;}