Log Message:
-----------
Add comments about thousands separator logic.
Modified Files:
--------------
pgsql/src/backend/utils/adt:
formatting.c (r1.134 -> r1.135)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/formatting.c?r1=1.134&r2=1.135)
pgsql/src/bin/psql:
print.c (r1.92 -> r1.93)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/print.c?r1=1.92&r2=1.93)