Clarify wording of foreign key documentation to mention null entries as
not matching the primary key.
Report from Marek(dot)Balgar(at)seznam(dot)cz
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/f2b36d8e10b628ffe0ba73c90826c3719ea20176
Modified Files
--------------
doc/src/sgml/ddl.sgml | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)