-This handler uses Helga's ``times_spoken_to`` property -- not a library
-property, it's one that we invented, like the ``mid_square.warnings_count``
-and ``pole.has_been_saluted`` properties -- to keep track of what's been
-said, permitting two snatches of conversation (and awarding a point) before
-falling back on the embarrassing silences implied by "You can't think of
-anything to say".
+This handler uses Helga's :prop:`times_spoken_to` property -- not a library
+property, it's one that we invented, like the
+:prop:`mid_square.warnings_count` and :prop:`pole.has_been_saluted`
+properties -- to keep track of what's been said, permitting two snatches of
+conversation (and awarding a point) before falling back on the embarrassing
+silences implied by "You can't think of anything to say".