Commite177da5

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Doc: fix bogus to_date() examples.

November doesn't have 31 days. Remarkably, this thinkohas escaped detection since commit3f19987.Noted by Y. Saburov.Discussion:https://postgr.es/m/171276122213.681.531905738590773705@wrigleys.postgresql.org

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Original file line number	Diff line number	Diff line change
`@@ -8285,11 +8285,11 @@ SELECT regexp_match('abc01234xyz', '(?:(.?)(\d+)(.)){1,1}');`
`8285`	`8285`	`use some non-digit character or template after <literal>YYYY</literal>,`
`8286`	`8286`	`otherwise the year is always interpreted as 4 digits. For example`
`8287`	`8287`	`(with the year 20000):`
`8288`		`- <literal>to_date('200001131', 'YYYYMMDD')</literal> will be`
	`8288`	`+ <literal>to_date('200001130', 'YYYYMMDD')</literal> will be`
`8289`	`8289`	`interpreted as a 4-digit year; instead use a non-digit`
`8290`	`8290`	`separator after the year, like`
`8291`		`- <literal>to_date('20000-1131', 'YYYY-MMDD')</literal> or`
`8292`		`- <literal>to_date('20000Nov31', 'YYYYMonDD')</literal>.`
	`8291`	`+ <literal>to_date('20000-1130', 'YYYY-MMDD')</literal> or`
	`8292`	`+ <literal>to_date('20000Nov30', 'YYYYMonDD')</literal>.`
`8293`	`8293`	`</para>`
`8294`	`8294`	`</listitem>`
`8295`	`8295`

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