SHTML Encoding manual api manual reference zettelstore zmk 00001004051200 00001012920500 00001004051200 00001012920500 1 (c) 2020-present by Detlef Stern 20230316181044 00001012920510 00001012920516 00001012930000 en EUPL-1.2-or-later 20230403150657 20230403150657 public