Domtar Corp. is the largest uncoated free sheet manufacturer in North America, with 4.2 million short tons of integrated fine paper capacity at 11 pulp and paper mills. We are revising our outlook on Domtar to positive from negative. We are also affirming the ratings, including the 'BB' long-term corporate credit rating on the company. We base the outlook revision on expected debt reduction and better-than-expected operating performance. TORONTO (Standard&Poor's) Nov. 24, 2009--Standard&Poor's Ratings Services revised its outlook on Domtar Corp. to positive from negative. At the same time, we affirmed our ratings, including the 'BB' long-term corporate credit rating on the company. "We base the outlook revision on expected debt reduction and better-than-expected operating performance,"