Update documentation to state there is three-value logic, not
three-value boolean logic.
Backpatch to 9.0.X since we just got another bug report about this
today.
Branch
------
REL9_0_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/f71b5c77fa0015492a26838eb489293effee1723
Modified Files
--------------
doc/src/sgml/func.sgml | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)