Commit53aba3f

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Merge branch '4.4'

* 4.4: Add missing versionadded directive. refs#11956 Added small section about default values

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Original file line number	Diff line number	Diff line change
@@ -145,6 +145,17 @@ Use environment variables in values by prefixing variables with ``$``:
`145`	`145`	its value will depend on the ``DB_USER`` value defined in other files
`146`	`146`	`instead of the value defined in this file.`
`147`	`147`
	`148`	`+Define a default value in case the environment variable is not set:`
	`149`	`+`
	`150`	`+..code-block::terminal`
	`151`	`+`
	`152`	`+ DB_USER=`
	`153`	`+ DB_PASS=${DB_USER:-root}pass # results in DB_PASS=rootpass`
	`154`	`+`
	`155`	`+..versionadded::4.4`
	`156`	`+`
	`157`	`+ The support for default values has been introduced in Symfony 4.4.`
	`158`	`+`
`148`	`159`	Embed commands via ``$()`` (not supported on Windows):
`149`	`160`
`150`	`161`	`..code-block::terminal`

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