Thread: pgsql: Document that TCP keepalive settings read as 0 on Unix-socket co

Document that TCP keepalive settings read as 0 on Unix-socket connections.

Per bug #7631 from Rob Johnson.  The code is operating as designed, but the
docs didn't explain it.

Branch
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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/d997bd2c50c15b8e33b02004e580f68e29a610a6

Modified Files
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doc/src/sgml/config.sgml |   15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)