mapserver build-depends on python-docutils, but as far as I can see it
doesn't use the package in any way.
Looking at the changelog, the build-dependency was added long time ago
for a reason:
| mapserver (4.8.1-1) unstable; urgency=low
| [ Paul Wise ]
| * Build mapscript html docs using python-docutils and add to mapserver-doc
However, HTML docs are not built anymore:
| mapserver (5.4.0-1) experimental; urgency=low
| [ Alan Boudreault ]
| * Removed obsolete html doc generation in debian/rules and
| from mapserver-doc package.
(I don't know why HTML docs generation was "obsolete", but OTOH I don't
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