pgsql: doc: add commas after 'i.e.' and 'e.g.'

doc: add commas after 'i.e.' and 'e.g.'

This follows the American format,
https://jakubmarian.com/comma-after-i-e-and-e-g/. There is no intention
of requiring this format for future text, but making existing text
consistent every few years makes sense.

Discussion: https://postgr.es/m/20200825183619.GA22369@momjian.us

Backpatch-through: 9.5

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/953c64e0f67d44b1db97a3d33b329ccd4691f4c6

Modified Files
--------------
doc/src/sgml/bki.sgml                      |  2 +-
doc/src/sgml/config.sgml                   | 16 ++++++++--------
doc/src/sgml/datatype.sgml                 |  4 ++--
doc/src/sgml/ddl.sgml                      |  4 ++--
doc/src/sgml/ecpg.sgml                     |  6 +++---
doc/src/sgml/extend.sgml                   |  4 ++--
doc/src/sgml/func.sgml                     |  8 ++++----
doc/src/sgml/glossary.sgml                 |  2 +-
doc/src/sgml/high-availability.sgml        |  8 ++++----
doc/src/sgml/indexam.sgml                  |  2 +-
doc/src/sgml/install-windows.sgml          |  4 ++--
doc/src/sgml/libpq.sgml                    | 14 +++++++-------
doc/src/sgml/logicaldecoding.sgml          |  4 ++--
doc/src/sgml/monitoring.sgml               |  2 +-
doc/src/sgml/mvcc.sgml                     |  2 +-
doc/src/sgml/parallel.sgml                 |  4 ++--
doc/src/sgml/perform.sgml                  |  2 +-
doc/src/sgml/postgres-fdw.sgml             |  2 +-
doc/src/sgml/protocol.sgml                 |  4 ++--
doc/src/sgml/queries.sgml                  |  4 ++--
doc/src/sgml/ref/create_database.sgml      |  4 ++--
doc/src/sgml/ref/create_event_trigger.sgml |  2 +-
doc/src/sgml/ref/create_function.sgml      |  6 +++---
doc/src/sgml/ref/create_procedure.sgml     |  2 +-
doc/src/sgml/ref/create_statistics.sgml    |  2 +-
doc/src/sgml/ref/create_table.sgml         |  4 ++--
doc/src/sgml/ref/initdb.sgml               |  2 +-
doc/src/sgml/ref/pg_dump.sgml              |  2 +-
doc/src/sgml/ref/pg_dumpall.sgml           |  2 +-
doc/src/sgml/ref/pg_restore.sgml           |  2 +-
doc/src/sgml/ref/pg_rewind.sgml            |  2 +-
doc/src/sgml/ref/pgbench.sgml              | 10 +++++-----
doc/src/sgml/ref/pgupgrade.sgml            | 24 ++++++++++++------------
doc/src/sgml/ref/postgres-ref.sgml         |  2 +-
doc/src/sgml/ref/prepare.sgml              |  2 +-
doc/src/sgml/ref/psql-ref.sgml             |  6 +++---
doc/src/sgml/replication-origins.sgml      |  6 +++---
doc/src/sgml/runtime.sgml                  |  2 +-
doc/src/sgml/sepgsql.sgml                  |  2 +-
doc/src/sgml/sources.sgml                  |  4 ++--
doc/src/sgml/sslinfo.sgml                  |  4 ++--
doc/src/sgml/tableam.sgml                  |  2 +-
doc/src/sgml/textsearch.sgml               |  4 ++--
doc/src/sgml/wal.sgml                      |  2 +-
doc/src/sgml/xfunc.sgml                    |  6 +++---
doc/src/sgml/xml2.sgml                     |  2 +-
46 files changed, 103 insertions(+), 103 deletions(-)