pgsql: docs: properly document psql auto encoding mode

docs: properly document psql auto encoding mode

In psql, both stdin and stdout must be terminals to get a client
encoding of 'auto'.

Patch by Albe Laurenz

Backpatch to 9.3.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/e183d11262f4e04ce7f191a9655aeeaa4682a7f5

Modified Files
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doc/src/sgml/ref/psql-ref.sgml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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