phases: ``{phase}`` template keyword display the phase name
``{phaseidx}`` is providing the phase index as integer. This integer
representation is useful when people need to use the fact that phase are
ordered.
Test keep using the number version for readability purpose.
.. 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