<date xmlns="http://www.tei-c.org/ns/1.0" when="1829-10-13" calendar="#julian #gregorian"> <hi rendition="#sup"> <subst> <del rendition="#ow">30</del> <add place="across">1 <choice> <abbr>Oct.</abbr> <expan>October</expan> </choice> </add> </subst> </hi> / <hi rendition="#sub"> <subst> <del rendition="#ow">12</del> <add place="across">13</add> </subst> </hi> </date> Dienstag