doc: document that INFO messages always go to client.
In passing add a couple of links to the message severity table.
Backpatch because it's always been this way.
Author: Karl O. Pinc <kop@meme.com>
Branch
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REL9_4_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/eef6476b2e21d0a127084240d25507d46e75b5eb
Modified Files
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doc/src/sgml/config.sgml | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)