start: title _EL description _EL property+ _EL (note)? building
title: "#" /(?! ).+(?<! )/ _NL                 // not starting or ending with a space

description: "_" /(?! ).+(?<![ _])/ "_" _NL       // single line not ending with underscore
property: "-" _key ":" _values _NL
_key : /(?! ).+?(?=:)(?<! )/    // key: everything until next ":", not beginning or ending with a space
_values : [_value ("," _value)*]
_value : quoted_value | unquoted_value
quoted_value : /\".+?\"/   // with quotation marks, can contain commas
unquoted_value : /(?![ \"])[^,\n]+(?<![ \"])/ // cannot contain commas, cannot start or end with quotation mark

note: /(?![\-#]).*\n/+                              // Unstructured text, not starting with - or #

building: "## Building" _NL (_EL property+)? (_EL note)? _EL*    // the "building" section


_NUMBER: /[0-9]+/

CR : /\r/
LF : /\n/
_NL : CR? LF
WS : (" "|/\t/)+
_EL : /^$\n/m

%ignore WS