pub fn scan_doc_link_candidates(text: &str) -> Vec<DocLinkCandidate>Expand description
#848: every intra-doc-link candidate in text, in order. [text](url),
an author-defined [label]: url reference, fenced-code-block content, and
non-identifier bracket content ([note]) are excluded — see
scan_bracket_candidate and doc_link_prepass (private below).