typos - Mailing list pgsql-hackers

In docs and comments.  Mostly for v15.
Maybe Fabien will want to comment on the pgbench one.

Attachment

• 0001-doc-database-SYSTEM-since-aa01051418f10afbdfa781b8dc.patch
• 0002-doc-Remove-synchronized-from-no-sync.patch
• 0003-doc-json-log-dc686681e0799b12c40f44f85fc5bfd7fed4e57.patch
• 0004-doc-s-in-local-server-on-local-server-94c49d53402240.patch
• 0005-doc-pg_column_compression-we-say-method-not-algorith.patch
• 0006-doc-review-postgres_fdw-parallel-commit.patch
• 0007-doc-review-pgbench-retries.patch
• 0008-doc-review-CREATE-DATABASE-STRATEGY.patch
• 0009-doc-review-GROUP-BY-optimization.patch
• 0010-doc-review-update-synopsis-pg_upgrade-optional-newbi.patch
• 0011-doc-review-basebackup_to_shell.required_role.patch
• 0012-v15-comment-typos.patch
• 0013-f-old-comment-typos.patch
• 0014-duplicate-words.patch
• 0015-f-relpersistence.patch
• 0016-Extraneous-blank-lines.patch
• 0017-f-blanks-which-involve-tabs.patch
• 0018-Double-spaces.patch
• 0019-comment-spaces.patch