Fixed up a couple of comments (one anal, one important); Removed a little casting ugliness in OPR 0 20; Made OPR 0 23 actually duplicate the data rather than just copying the reference; Changed operators in OPR 0 29 and OPR 0 30 from bitwise to logical.
Fixed up a couple of comments (one anal, one important);
Removed a little casting ugliness in OPR 0 20;
Made OPR 0 23 actually duplicate the data rather than just copying the
reference;
Changed operators in OPR 0 29 and OPR 0 30 from bitwise to logical.

paulhoadley/PAL