Commit 9705a09

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minor fixes

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Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,7 @@ alert(user ?? "Anonymous"); // John`
`41`	`41`
`42`	`42`	We can also use a sequence of `??` to select the first defined value from a list.
`43`	`43`
`44`		-Let's say we a user's data in variables `firstName`, `lastName` or `nickName`. All of them may be undefined, if the user decided not to enter a value.
	`44`	+Let's say we have a user's data in variables `firstName`, `lastName` or `nickName`. All of them may be undefined, if the user decided not to enter a value.
`45`	`45`
`46`	`46`	`We'd like to display the user name using one of these variables, or show "Anonymous" if all of them are undefined.`
`47`	`47`

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