Log Message:-----------Be a bit less cavalier with both the code and the comment for UNKNOWN fix.
Modified Files:-------------- pgsql/src/pl/plpgsql/src: pl_exec.c (r1.264 -> r1.265) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/pl_exec.c?r1=1.264&r2=1.265)
