Parses and removes reference links from the stream of symbol codes. Replaces line ends with canonical line ends.

 md_link(?Id, ?Url, ?Title) is det

Retrieves recorded link from the last invocation of md_links/2.

 md_links(+CodesIn, -CodesOut) is det

Same as md_links/3 but stores links in threadlocal predicate which is cleared on each invocation of this predicate.

 md_links(+CodesIn, -CodesOut, -Links) is det

Markdown reference link definition parser. Removes link definitions from the symbol code list.