The candidate's display name (or the shortcode when it has no name).
Optionalunresolvedtrue when this option preserves a stored shortcode that resolved to
no candidate — kept selected and visibly flagged, never blanked.
The shortcode stored by the field (the option's value).
A single
<option>for the shortcode-reference field widget (#974): the storedvalueis the referenced document's shortcode,labelis its display name. A dangling reference (a stored shortcode with no matching candidate) is surfaced as a flagged option rather than being dropped.