API: Retrieve evaluated metadata and content of an existing zettel in various encodings manual api manual zettelstore zmk 00001006000000 00001012000000 00001012053600 00001006000000 00001012000000 00001012053600 1 (c) 2020-present by Detlef Stern 20210726174524 00001006050000 00001010040100 00001012050200 00001012920000 00001012920500 00001012920510 00001012920516 00001012920519 00001012920800 en EUPL-1.2-or-later 20240620171057 20240620171057 public