Обсуждение: pgsql: Make an editing pass over v11 release notes.

Make an editing pass over v11 release notes.

Set the release date.  Do a bunch of copy-editing and markup improvement,
rearrange some stuff into what seemed a more sensible order, move some
things that did not seem to be in the right section.

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/5e9d7b226e04e11429ae644b5f7743503cd4d56b

Modified Files
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doc/src/sgml/release-11.sgml | 952 ++++++++++++++++++++++++-------------------
1 file changed, 523 insertions(+), 429 deletions(-)