pgsql: docs: update libpq's PQputCopyData and PQputCopyEnd

docs: update libpq's PQputCopyData and PQputCopyEnd

Clarify the meaning of libpq return values for PQputCopyData and
PQputCopyEnd, particularly in non-blocking mode.

Report by Robert Haas

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/b04d69161354f7cfc3d8153b67145dbebc4a4698

Modified Files
--------------
doc/src/sgml/libpq.sgml | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers