pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- master Details ---

pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- REL_13_STABLE Details ---

pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- REL9_6_STABLE Details ---

pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- REL_10_STABLE Details ---

pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- REL_12_STABLE Details ---

pgsql: Fix some typos, grammar and style in docs and comments

Fix some typos, grammar and style in docs and comments The portions fixing the documentation are backpatched where needed. Author: Justin Pryzby Discussion: https://postgr.es/m/20210210235557.gq20...@telsasoft.com backpatch-through: 9.6 Branch -- REL_11_STABLE Details ---