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Sort out paired double quotes in \connect, \password and \crosstabview.

In arguments, these meta-commands wrongly treated each pair as closingthe double quoted string. Make the behavior match the documentation.This is a compatibility break, but I more expect to find software withuntested reliance on the documented behavior than software reliant ontoday's behavior. Back-patch to 9.1 (all supported versions).Reviewed by Tom Lane and Peter Eisentraut.Security:CVE-2016-5424

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src/bin/psql
- psqlscan.l

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`‎src/bin/psql/psqlscan.l‎`

Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1605,7 +1605,8 @@ psql_scan_slash_option(PsqlScanState state,`
`1605`	`1605`	`/* Keep the first quote, remove the second */`
`1606`	`1606`	`cp++;`
`1607`	`1607`	`}`
`1608`		`-inquotes = !inquotes;`
	`1608`	`+else`
	`1609`	`+inquotes = !inquotes;`
`1609`	`1610`	`/* Collapse out quote at cp /`
`1610`	`1611`	`memmove(cp, cp + 1, strlen(cp));`
`1611`	`1612`	`mybuf.len--;`

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Commitdb951dd

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`‎src/bin/psql/psqlscan.l‎`

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