Footnote references, like [5]. Note that footnotes may get rearranged, e.g., to the bottom of the “page”.
Autonumbered footnotes are possible, like using [1] and [2].
This is the first one.
This is the second one.
They may be assigned ‘autonumber labels’ - for instance, [4] and [3].
a.k.a. third
a.k.a. fourth
Auto-symbol footnotes are also possible, like this: [*] and [†].
This is the first one.
This is the second one.