pandoc/test/command/4635.md

% pandoc -f markdown -t native
(cf.
foo)
^D
[Para [Str "(cf.",SoftBreak,Str "foo)"]]

% pandoc -f markdown -t native
a (cf.
foo)
^D
[Para [Str "a",Space,Str "(cf.",SoftBreak,Str "foo)"]]

% pandoc -f markdown -t native
cf.
foo
^D
[Para [Str "cf.\160foo"]]

% pandoc -f markdown -t native
a cf.
foo
^D
[Para [Str "a",SoftBreak,Str "cf.\160foo"]]