test-minirst: don't test on invalid reST input
Input such as
Only the
left-most line
(this line!)
is significant
for the indentation
is not valid reStructuredText: the first line starts a block quote,
but then the second line is not allowed to be unindented.
.. Common link and substitution definitions.
.. |hg(1)| replace:: **hg**\ (1)
.. _hg(1): hg.1.html
.. |hgrc(5)| replace:: **hgrc**\ (5)
.. _hgrc(5): hgrc.5.html
.. |hgignore(5)| replace:: **hgignore**\ (5)
.. _hgignore(5): hgignore.5.html