On the wiki side, an empty link is ultimately
rendered as something like [[#Language]], as
text and not a link; I am pretty sure this is not
behavior that anything actually relies on, so
we can just render it as text by returning
escape brackets and the 'contents' (whitespace,
maybe) in repl_link.
On the wiki side, an empty link is ultimately rendered as something like
[[#Language]], as text and not a link; I am pretty sure this is not behavior that anything actually relies on, so we can just render it as text by returning escape brackets and the 'contents' (whitespace, maybe) in repl_link.