= rnQual qual `thenRn` \ ((qual', bs1), fvQuals1) ->
extendSS2 bs1 (rnQuals quals) `thenRn` \ ((quals', bs2), fvQuals2) ->
returnRn
- ((qual' : quals', bs2 ++ bs1), -- The ones on the right (bs2) shadow the
+ ((qual' : quals', bs1 ++ bs2), -- The ones on the right (bs2) shadow the
-- ones on the left (bs1)
fvQuals1 `unionUniqSets` fvQuals2)