node_modules/prismjs/tests/languages/powershell/variable_feature.test

$foo $bar_baz $var4u $1 $true_as $falsey

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[
	["variable", "$foo"],
	["variable", "$bar_baz"],
	["variable", "$var4u"],
	["variable", "$1"],
	["variable", "$true_as"],
	["variable", "$falsey"]
]
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Testing variables