Fixing self-closing tags

Still some problems within text in synopsis mode. See
http://localhost:8888/text/compare?mcite=4.2.2&unit=ch&tractName=Bava_Metsia&Kauf=1&ParmA=2&Camb=3&S00651=&S08174=&P00001=&Vilna=&Mun=&S07106=&Vat114=&Vat115=&Vat117=&Leid=&S03524=&S04533=&S04589=&S04624=&S01715=&S05134=&S04944=&S04636=&alignType=synopsis