/usr/share/dolfin/demo/documented/navier-stokes/ is in dolfin-doc 2016.2.0-2.
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/usr/share/dolfin/demo/documented/navier-stokes/cpp/
/usr/share/dolfin/demo/documented/navier-stokes/cpp/CMakeLists.txt
/usr/share/dolfin/demo/documented/navier-stokes/cpp/PressureUpdate.h
/usr/share/dolfin/demo/documented/navier-stokes/cpp/PressureUpdate.ufl
/usr/share/dolfin/demo/documented/navier-stokes/cpp/TentativeVelocity.h
/usr/share/dolfin/demo/documented/navier-stokes/cpp/TentativeVelocity.ufl
/usr/share/dolfin/demo/documented/navier-stokes/cpp/VelocityUpdate.h
/usr/share/dolfin/demo/documented/navier-stokes/cpp/VelocityUpdate.ufl
/usr/share/dolfin/demo/documented/navier-stokes/cpp/main.cpp
/usr/share/dolfin/demo/documented/navier-stokes/lshape.xml.gz
/usr/share/dolfin/demo/documented/navier-stokes/python/
/usr/share/dolfin/demo/documented/navier-stokes/python/demo_navier-stokes.py