(META (EMPTY-STRING title "Symbolic Expression") (WORD role "manual") (TAG-SET tags ("#manual" "#reference" "#zettelstore")) (WORD syntax "zmk") (ZID-SET back ("00001012000000" "00001012920516" "00001012920525" "00001012921000" "00001012931000")) (ZID-SET backward ("00001012000000" "00001012920516" "00001012920525" "00001012921000" "00001012931000")) (NUMBER box-number "1") (STRING copyright "(c) 2020-present by Detlef Stern <ds@zettelstore.de>") (TIMESTAMP created "20230403145644") (ZID-SET forward ("00001012930500")) (WORD lang "en") (EMPTY-STRING license "EUPL-1.2-or-later") (TIMESTAMP modified "20230403154010") (TIMESTAMP published "20230403154010") (WORD visibility "public"))