Marker that is associated to another node.
identifier:
string
Relation of association.
identifier is a source value: character escapes and character
references are not parsed.
It can match another node.
Its value must be normalized.
To normalize a value, collapse markdown whitespace ([\t\n\r ]+) to a space,
trim the optional initial and/or final space, and perform Unicode-aware
case-folding.
node_modules/@types/mdast/index.d.ts:71
optionallabel:null|string
Relation of association, in parsed form.
label is a string value: it works just like title on Link
or a lang on Code: character escapes and character references
are parsed.
It can match another node.
node_modules/@types/mdast/index.d.ts:82
referenceType:
ReferenceType
Explicitness of the reference.
node_modules/@types/mdast/index.d.ts:92