pgsql: pg_rewind docs: clarify handling of remote servers

pg_rewind docs: clarify handling of remote servers

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/878bd9accb553f6eee32af8acdb7ee3e54a74e23

Modified Files
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doc/src/sgml/ref/pg_rewind.sgml | 94 +++++++++++++++++++++--------------------
1 file changed, 49 insertions(+), 45 deletions(-)

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