footnotes / 脚注

sample 1

source:

Footnote references, like [5]_. 
Note that footnotes may get 
rearranged, e.g., to the bottom of 
the "page".

.. [5] A numerical footnote. Note 
   there's no colon after the ``]``.

output:

Footnote references, like [5]. Note that footnotes may get rearranged, e.g., to the bottom of the “page”.

[5]A numerical footnote. Note there’s no colon after the ].

sample 2

source:

Autonumbered footnotes are 
possible, like using [#]_ and [#]_.

They may be assigned 'autonumber 
labels' - for instance, 
[#fourth]_ and [#third]_.


.. [#] This is the first one. 
.. [#] This is the second one.
.. [#third] a.k.a. third_
.. [#fourth] a.k.a. fourth_

output:

Autonumbered footnotes are possible, like using [1] and [2].

They may be assigned ‘autonumber labels’ - for instance, [4] and [3].

[1]This is the first one.
[2]This is the second one.
[3]a.k.a. third
[4]a.k.a. fourth

sample 3

source:

Auto-symbol footnotes are also 
possible, like this: [*]_ and [*]_.

.. [*] This is the first one. 
.. [*] This is the second one.

output:

Auto-symbol footnotes are also possible, like this: [*] and [†].

[*]This is the first one.
[†]This is the second one.