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Doc: clarify description of CREATE/ALTER FUNCTION ... SET FROM CURRENT.

Per discussion with David Johnston.

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -236,8 +236,9 @@ ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="paramet`
`236`	`236`	`setting is removed, so that the function executes with the value`
`237`	`237`	`present in its environment. Use <literal>RESET`
`238`	`238`	`ALL</literal> to clear all function-local settings.`
`239`		`- <literal>SET FROM CURRENT</> saves the session's current value of`
`240`		`- the parameter as the value to be applied when the function is entered.`
	`239`	`+ <literal>SET FROM CURRENT</> saves the value of the parameter that`
	`240`	`+ is current when <command>ALTER FUNCTION</> is executed as the value`
	`241`	`+ to be applied when the function is entered.`
`241`	`242`	`</para>`
`242`	`243`
`243`	`244`	`<para>`

Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -421,8 +421,9 @@ CREATE [ OR REPLACE ] FUNCTION`
`421`	`421`	`The <literal>SET</> clause causes the specified configuration`
`422`	`422`	`parameter to be set to the specified value when the function is`
`423`	`423`	`entered, and then restored to its prior value when the function exits.`
`424`		`- <literal>SET FROM CURRENT</> saves the session's current value of`
`425`		`- the parameter as the value to be applied when the function is entered.`
	`424`	`+ <literal>SET FROM CURRENT</> saves the value of the parameter that`
	`425`	`+ is current when <command>CREATE FUNCTION</> is executed as the value`
	`426`	`+ to be applied when the function is entered.`
`426`	`427`	`</para>`
`427`	`428`
`428`	`429`	`<para>`

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