Documented oq reduce_sm [skip CI]
Documented oq reduce_sm [skip CI]


Former-commit-id: 27187d2915db7eb72921654393cb0d4061e5a2b2 [formerly cd7234c6e4e09307657898423ce183cae1fc0cb6]
Former-commit-id: 741eadda4e9415168f9c186603130348db2d227e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine