$ comrak -e footnotes -e inline-footnotes
Here is an inline footnote^[This is the footnote content].
$ comrak -e footnotes -e inline-footnotes
Text^[With *emphasis* and **strong**].
$ comrak -e footnotes -e inline-footnotes
First^[First note] and second^[Second note].
$ comrak -e footnotes -e inline-footnotes
Regular[^1] and inline^[Inline note] and another regular[^2].

[^1]: First regular footnote.
[^2]: Second regular footnote.
$ comrak -e footnotes -e inline-footnotes
Here is an inline note.^[Inline notes are easier to write, since
you don't have to pick an identifier and move down to type the
note.]
$ comrak -e footnotes -e inline-footnotes
A ^[outer and ^[inner] literal].
$ comrak -e footnotes -e inline-footnotes
Escaped: \^[not a note]. Real: ^[yes].
$ comrak -e footnotes -e inline-footnotes
Text^[] should not parse.