/usr/share/gitit/data/markupHelp/RST is in libghc-gitit-data 0.12.1-1.
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Section heading
===============
Subsection
----------
Formatting: *italics*,
**bold**.
    Indented quotation
Links:
`external <http://foo.org>`_,
`Wiki Link <>`_, |image|,
`heading <#subsection>`_.
.. |image| image::
     /img/gitit-banner.png
::
    let a = 1:a in head a
-  bulleted
-  list
---------------
1.  ordered
2.  list
   
    a. sublist (indent 4 spaces)
    b. another
3.  item three
term
    definition
orange
    orange fruit
~~~~~~~~
For more: [reST primer],
[quick reference guide].
[reST primer]: http://docutils.sourceforge.net/docs/user/rst/quickstart.html
[quick reference guide]: http://docutils.sourceforge.net/docs/user/rst/quickref.html
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