test escaped brackets and parentheses

test/validator/samples/css-invalid-global-selector-4/errors.json

@@ -0,0 +1,17 @@
+[
+	{
+		"code": "css-invalid-global-selector",
+		"message": ":global(...) must contain a single selector",
+		"start": {
+			"line": 5,
+			"column": 5,
+			"character": 66
+		},
+		"end": {
+			"line": 5,
+			"column": 33,
+			"character": 94
+		},
+		"pos": 66
+	}
+]

test/validator/samples/css-invalid-global-selector-4/input.svelte

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+<style>
+	div :global(.a\,bc\] ~ .d\,ef\)) {
+		color: red;
+	}
+	div :global(.abc\] + .def\), h1) {
+		color: red;
+	}
+</style>
+
+<div>
+	<h1>hello world</h1>
+</div>