fix NT citool/comment bugs  (certain character sequence in comment window caused citool to fail))
fix NT citool/comment bugs 
(certain character sequence in comment window caused citool to fail))

bk: 380cf215j1VCqdqC_oge62QZEL1kxw
bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper,bitkeeper-scm/bitkeeper