@@ -1984,7 +1984,6 @@ before or after the link).
19841984
19851985The link consists of link text in square brackets, followed by a label in
19861986square brackets. (There can be space between the two.) The link definition
1987−must begin at the left margin or indented no more than three spaces. It
19881987consists of the bracketed label, followed by a colon and a space, followed by
19891988the URL, and optionally (after a space) a link title either in quotes or in
19901989parentheses.
@@ -2018,6 +2017,16 @@ empty, or omitted entirely:
20182017
20192018 [my website]: http://foo.bar.baz
20202019
2020+Note: In `Markdown.pl` and most other markdown implementations,
2021+reference link definitions cannot occur in nested constructions
2022+such as list items or block quotes. Pandoc lifts this arbitrary
2023+seeming restriction. So the following is fine in pandoc, though
2024+not in most other implementations:
2025+
2026+ > My block [quote].
2027+ >
2028+ > [quote]: /foo
2029+
20212030### Internal links
20222031
20232032To link to another section of the same document, use the automatically