(BLOCK (PARA (TEXT "The") (SPACE) (TEXT "metadata") (SPACE) (TEXT "of") (SPACE) (TEXT "a") (SPACE) (TEXT "zettel") (SPACE) (TEXT "is") (SPACE) (TEXT "a") (SPACE) (TEXT "collection") (SPACE) (TEXT "of") (SPACE) (TEXT "key-value") (SPACE) (TEXT "pairs.") (SOFT) (TEXT "The") (SPACE) (TEXT "syntax") (SPACE) (TEXT "roughly") (SPACE) (TEXT "resembles") (SPACE) (TEXT "the") (SPACE) (TEXT "internal") (SPACE) (TEXT "header") (SPACE) (TEXT "of") (SPACE) (TEXT "an") (SPACE) (TEXT "email") (SPACE) (TEXT "(") (LINK-EXTERNAL () "https://tools.ietf.org/html/rfc5322" (TEXT "RFC5322")) (TEXT ").")) (PARA (TEXT "The") (SPACE) (TEXT "key") (SPACE) (TEXT "is") (SPACE) (TEXT "a") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "alphanumeric") (SPACE) (TEXT "characters,") (SPACE) (TEXT "a") (SPACE) (TEXT "hyphen-minus") (SPACE) (TEXT "character") (SPACE) (TEXT "(") (FORMAT-QUOTE () (LITERAL-INPUT () "-")) (TEXT ",") (SPACE) (TEXT "U+002D)") (SPACE) (TEXT "is") (SPACE) (TEXT "also") (SPACE) (TEXT "allowed.") (SOFT) (TEXT "It") (SPACE) (TEXT "begins") (SPACE) (TEXT "at") (SPACE) (TEXT "the") (SPACE) (TEXT "first") (SPACE) (TEXT "position") (SPACE) (TEXT "of") (SPACE) (TEXT "a") (SPACE) (TEXT "new") (SPACE) (TEXT "line.") (SOFT) (TEXT "Uppercase") (SPACE) (TEXT "letters") (SPACE) (TEXT "of") (SPACE) (TEXT "a") (SPACE) (TEXT "key") (SPACE) (TEXT "are") (SPACE) (TEXT "translated") (SPACE) (TEXT "to") (SPACE) (TEXT "their") (SPACE) (TEXT "lowercase") (SPACE) (TEXT "equivalence.")) (PARA (TEXT "A") (SPACE) (TEXT "key") (SPACE) (TEXT "is") (SPACE) (TEXT "separated") (SPACE) (TEXT "from") (SPACE) (TEXT "its") (SPACE) (TEXT "value") (SPACE) (TEXT "either") (SPACE) (TEXT "by")) (UNORDERED (INLINE (TEXT "a") (SPACE) (TEXT "colon") (SPACE) (TEXT "character") (SPACE) (TEXT "(") (FORMAT-QUOTE () (LITERAL-INPUT () ":")) (TEXT "),")) (INLINE (TEXT "a") (SPACE) (TEXT "non-empty") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "space") (SPACE) (TEXT "characters,")) (INLINE (TEXT "a") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "space") (SPACE) (TEXT "characters,") (SPACE) (TEXT "followed") (SPACE) (TEXT "by") (SPACE) (TEXT "a") (SPACE) (TEXT "colon,") (SPACE) (TEXT "followed") (SPACE) (TEXT "by") (SPACE) (TEXT "a") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "space") (SPACE) (TEXT "characters."))) (PARA (TEXT "A") (SPACE) (TEXT "value") (SPACE) (TEXT "is") (SPACE) (TEXT "a") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "printable") (SPACE) (TEXT "characters.") (SOFT) (TEXT "If") (SPACE) (TEXT "the") (SPACE) (TEXT "value") (SPACE) (TEXT "should") (SPACE) (TEXT "be") (SPACE) (TEXT "continued") (SPACE) (TEXT "in") (SPACE) (TEXT "the") (SPACE) (TEXT "following") (SPACE) (TEXT "line,") (SPACE) (TEXT "that") (SPACE) (TEXT "following") (SPACE) (TEXT "line") (SPACE) (TEXT "(") (FORMAT-QUOTE () (TEXT "continuation") (SPACE) (TEXT "line")) (TEXT ")") (SPACE) (TEXT "must") (SPACE) (TEXT "begin") (SPACE) (TEXT "with") (SPACE) (TEXT "a") (SPACE) (TEXT "non-empty") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "space") (SPACE) (TEXT "characters.") (SOFT) (TEXT "The") (SPACE) (TEXT "rest") (SPACE) (TEXT "of") (SPACE) (TEXT "the") (SPACE) (TEXT "following") (SPACE) (TEXT "line") (SPACE) (TEXT "will") (SPACE) (TEXT "be") (SPACE) (TEXT "interpreted") (SPACE) (TEXT "as") (SPACE) (TEXT "the") (SPACE) (TEXT "next") (SPACE) (TEXT "part") (SPACE) (TEXT "of") (SPACE) (TEXT "the") (SPACE) (TEXT "value.") (SOFT) (TEXT "There") (SPACE) (TEXT "can") (SPACE) (TEXT "be") (SPACE) (TEXT "more") (SPACE) (TEXT "than") (SPACE) (TEXT "one") (SPACE) (TEXT "continuation") (SPACE) (TEXT "line") (SPACE) (TEXT "for") (SPACE) (TEXT "a") (SPACE) (TEXT "value.")) (PARA (TEXT "A") (SPACE) (TEXT "non-continuation") (SPACE) (TEXT "line") (SPACE) (TEXT "that") (SPACE) (TEXT "contains") (SPACE) (TEXT "a") (SPACE) (TEXT "possibly") (SPACE) (TEXT "empty") (SPACE) (TEXT "sequence") (SPACE) (TEXT "of") (SPACE) (TEXT "characters,") (SPACE) (TEXT "followed") (SPACE) (TEXT "by") (SPACE) (TEXT "the") (SPACE) (TEXT "percent") (SPACE) (TEXT "sign") (SPACE) (TEXT "character") (SPACE) (TEXT "(") (FORMAT-QUOTE () (LITERAL-INPUT () "%")) (TEXT ")") (SPACE) (TEXT "is") (SPACE) (TEXT "treated") (SPACE) (TEXT "as") (SPACE) (TEXT "a") (SPACE) (TEXT "comment") (SPACE) (TEXT "line.") (SOFT) (TEXT "It") (SPACE) (TEXT "will") (SPACE) (TEXT "be") (SPACE) (TEXT "ignored.")) (PARA (TEXT "Parsing") (SPACE) (TEXT "metadata") (SPACE) (TEXT "ends,") (SPACE) (TEXT "if") (SPACE) (TEXT "an") (SPACE) (TEXT "empty") (SPACE) (TEXT "line") (SPACE) (TEXT "is") (SPACE) (TEXT "found") (SPACE) (TEXT "or") (SPACE) (TEXT "if") (SPACE) (TEXT "a") (SPACE) (TEXT "line") (SPACE) (TEXT "with") (SPACE) (TEXT "at") (SPACE) (TEXT "least") (SPACE) (TEXT "three") (SPACE) (TEXT "hyphen-minus") (SPACE) (TEXT "characters") (SPACE) (TEXT "is") (SPACE) (TEXT "found.")) (PARA (TEXT "Some") (SPACE) (TEXT "examples:")) (VERBATIM-CODE (("" . "meta")) "title1:The Title\n title-2 : Another title\ntitle-3: A wrapped\n title\ntitle-4: A\n wrapped\n title\n with\n more\n than\n one\n continuation\n line\n% A comment line\n % Another comment line.\n\nNo metadata anymore, because of the empty line."))