diff --git a/.gitignore b/.gitignore
index 24d132ebd7..c136a37d85 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ node_modules
 *.vsix
 
 extensions/vscode/out
+extensions/vscode/tests/embeddedGrammars/*.tmLanguage.json
 packages/*/*.d.ts
 packages/*/*.js
 packages/*/*.map
diff --git a/extensions/vscode/scripts/grammars-sync.ts b/extensions/vscode/scripts/grammars-sync.ts
new file mode 100644
index 0000000000..41fed8c49a
--- /dev/null
+++ b/extensions/vscode/scripts/grammars-sync.ts
@@ -0,0 +1,119 @@
+import { createHash } from 'node:crypto';
+import * as fs from 'node:fs';
+import { mkdir, readFile, writeFile } from 'node:fs/promises';
+import * as path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+interface LockItem {
+	file: string;
+	url: string;
+	checksum?: string;
+}
+
+const CHECKSUM_PREFIX = 'sha256-';
+
+function computeChecksum(content: string | Buffer): string {
+	const buffer = typeof content === 'string' ? Buffer.from(content) : content;
+	return CHECKSUM_PREFIX + createHash('sha256').update(buffer).digest('hex');
+}
+
+async function fetchWithChecksum(url: string) {
+	console.log(`Downloading ${url}...`);
+	const res = await fetch(url);
+	if (!res.ok) {
+		throw new Error(`Failed to download ${url}: ${res.status} ${res.statusText}`);
+	}
+	const content = await res.text();
+	return { content, checksum: computeChecksum(content) };
+}
+
+async function fileChecksum(filePath: string): Promise<string | null> {
+	if (!fs.existsSync(filePath)) {
+		return null;
+	}
+	const content = await readFile(filePath);
+	return computeChecksum(content);
+}
+
+async function safeWriteFile(filePath: string, content: string | Buffer) {
+	await mkdir(path.dirname(filePath), { recursive: true });
+	await writeFile(filePath, content);
+}
+
+async function processItem(dirPath: string, item: LockItem, update: boolean): Promise<boolean> {
+	if (!item.file || !item.url) {
+		throw new Error('Lock item must include "file" and "url".');
+	}
+
+	const filePath = path.resolve(dirPath, item.file);
+
+	if (update || !item.checksum) {
+		const { content, checksum } = await fetchWithChecksum(item.url);
+		await safeWriteFile(filePath, content);
+		const changed = item.checksum !== checksum;
+		item.checksum = checksum;
+		return changed || update;
+	}
+
+	const expected = item.checksum;
+	const localChecksum = await fileChecksum(filePath);
+	if (localChecksum === expected) {
+		return false;
+	}
+
+	const { content, checksum } = await fetchWithChecksum(item.url);
+	if (checksum !== expected) {
+		throw new Error(
+			`Checksum mismatch for ${item.file}. Expected ${expected}, got ${checksum}.
+Please run "pnpm test:prepare -u" to update the lock hash.`,
+		);
+	}
+
+	if (checksum !== localChecksum) {
+		await safeWriteFile(filePath, content);
+	}
+
+	return false;
+}
+
+const dir = path.dirname(fileURLToPath(import.meta.url));
+const dirPath = path.resolve(dir, '../tests/embeddedGrammars');
+const lockPath = path.resolve(dirPath, '_lock.json');
+const update = !fs.existsSync(lockPath);
+const lock: LockItem[] = update
+	? [
+		{
+			'file': 'css.tmLanguage.json',
+			'url': 'https://raw.githubusercontent.com/microsoft/vscode/main/extensions/css/syntaxes/css.tmLanguage.json',
+			'checksum': 'sha256-bcc97d1a3a6bf112f72d8bdb58bc438eb68aa0e070b94d00c6064b75f5cab69b',
+		},
+		{
+			'file': 'html.tmLanguage.json',
+			'url': 'https://raw.githubusercontent.com/microsoft/vscode/main/extensions/html/syntaxes/html.tmLanguage.json',
+			'checksum': 'sha256-80dedf4fb27e88889ac8fb72763954a6d2660502c686f4415208d8c8d00352cd',
+		},
+		{
+			'file': 'javascript.tmLanguage.json',
+			'url':
+				'https://raw.githubusercontent.com/microsoft/vscode/main/extensions/javascript/syntaxes/JavaScript.tmLanguage.json',
+			'checksum': 'sha256-db6f17f15bc4f5e860a3b8fa6055a69720a53df845c8d5121cdc4f128c16291f',
+		},
+		{
+			'file': 'scss.tmLanguage.json',
+			'url': 'https://raw.githubusercontent.com/microsoft/vscode/main/extensions/scss/syntaxes/scss.tmLanguage.json',
+			'checksum': 'sha256-8f2824a80a7c6fd558fc538ec52d0a7a42a4d7ecb7ddf20d79f0d1f00fa6602b',
+		},
+		{
+			'file': 'typescript.tmLanguage.json',
+			'url':
+				'https://raw.githubusercontent.com/microsoft/vscode/main/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json',
+			'checksum': 'sha256-4e92e0d7de560217d6c8d3236d85e6e17a5d77825b15729a230c761743122661',
+		},
+	]
+	: JSON.parse(await readFile(lockPath, 'utf8'));
+if (!Array.isArray(lock)) {
+	throw new Error('_lock.json must contain an array of lock items.');
+}
+await Promise.all(lock.map(item => processItem(dirPath, item, update)));
+await mkdir(dirPath, { recursive: true });
+await writeFile(lockPath, JSON.stringify(lock, null, '\t') + '\n', 'utf8');
diff --git a/extensions/vscode/tests/__snapshots__/grammar.spec.ts.snap b/extensions/vscode/tests/__snapshots__/grammar.spec.ts.snap
index 2d1c54552b..d1c35cff9f 100644
--- a/extensions/vscode/tests/__snapshots__/grammar.spec.ts.snap
+++ b/extensions/vscode/tests/__snapshots__/grammar.spec.ts.snap
@@ -1,5 +1,807 @@
 // Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
+exports[`embedded grammar > #2060-ts-type-semicolon.vue 1`] = `
+"><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 1;
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+#          ^ text.html.vue source.ts punctuation.terminator.statement.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 1
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > #2060-type-without-semicolon.vue 1`] = `
+"><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 1;
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+#          ^ text.html.vue source.ts punctuation.terminator.statement.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 1
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > #3999-multi-line-setup.vue 1`] = `
+"><script
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+>  setup
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+>>
+#^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>const a = 0;
+#^^^^^ text.html.vue source.js meta.var.expr.js storage.type.js
+#     ^ text.html.vue source.js meta.var.expr.js
+#      ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js meta.definition.variable.js variable.other.constant.js
+#       ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js
+#        ^ text.html.vue source.js meta.var.expr.js keyword.operator.assignment.js
+#         ^ text.html.vue source.js meta.var.expr.js
+#          ^ text.html.vue source.js meta.var.expr.js constant.numeric.decimal.js
+#           ^ text.html.vue source.js punctuation.terminator.statement.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+>  setup
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+>  lang="ts"
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#       ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#        ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#          ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+>>
+#^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 0;
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+#          ^ text.html.vue source.ts punctuation.terminator.statement.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+>  scoped
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+>>
+#^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>:root {
+#^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css punctuation.definition.entity.css
+# ^^^^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css
+#     ^ text.html.vue source.css
+#      ^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.begin.bracket.curly.css
+>  color: red;
+#^^ text.html.vue source.css meta.property-list.css
+#  ^^^^^ text.html.vue source.css meta.property-list.css meta.property-name.css support.type.property-name.css
+#       ^ text.html.vue source.css meta.property-list.css punctuation.separator.key-value.css
+#        ^ text.html.vue source.css meta.property-list.css
+#         ^^^ text.html.vue source.css meta.property-list.css meta.property-value.css support.constant.color.w3c-standard-color-name.css
+#            ^ text.html.vue source.css meta.property-list.css punctuation.terminator.rule.css
+>}
+#^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.end.bracket.curly.css
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+>  scoped
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+>  lang="scss"
+#^^ text.html.vue meta.tag-stuff
+#  ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#       ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+>>
+#^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>$color: red;
+#^^^^^^ text.html.vue source.css.scss meta.definition.variable.scss variable.scss
+#      ^ text.html.vue source.css.scss meta.definition.variable.scss punctuation.separator.key-value.scss
+#       ^ text.html.vue source.css.scss meta.definition.variable.scss
+#        ^^^ text.html.vue source.css.scss meta.definition.variable.scss support.constant.color.w3c-standard-color-name.css
+#           ^ text.html.vue source.css.scss punctuation.terminator.rule.scss
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > #4741-leading-operator.vue 1`] = `
+"><script>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.js keyword.control.conditional.js
+#  ^ text.html.vue source.js
+#   ^ text.html.vue source.js meta.brace.round.js
+#    ^^^^^ text.html.vue source.js constant.language.boolean.false.js
+>< true
+#^ text.html.vue source.js keyword.operator.relational.js
+# ^ text.html.vue source.js
+#  ^^^^ text.html.vue source.js constant.language.boolean.true.js
+>) { }
+#^ text.html.vue source.js meta.brace.round.js
+# ^ text.html.vue source.js
+#  ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+#   ^ text.html.vue source.js meta.block.js
+#    ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="js">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                 ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.js keyword.control.conditional.js
+#  ^ text.html.vue source.js
+#   ^ text.html.vue source.js meta.brace.round.js
+#    ^^^^^ text.html.vue source.js constant.language.boolean.false.js
+>< true
+#^ text.html.vue source.js keyword.operator.relational.js
+# ^ text.html.vue source.js
+#  ^^^^ text.html.vue source.js constant.language.boolean.true.js
+>) {}
+#^ text.html.vue source.js meta.brace.round.js
+# ^ text.html.vue source.js
+#  ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+#   ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="jsx">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                 ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                  ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^^^^^^^^^ text.html.vue
+>< true
+#^^^^^^^ text.html.vue
+>) {}
+#^^^^^ text.html.vue
+>(
+#^^ text.html.vue
+><br />
+#^^^^^^^ text.html.vue
+>);
+#^^^ text.html.vue
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                 ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.ts keyword.control.conditional.ts
+#  ^ text.html.vue source.ts
+#   ^ text.html.vue source.ts meta.brace.round.ts
+#    ^^^^^ text.html.vue source.ts constant.language.boolean.false.ts
+>< true
+#^ text.html.vue source.ts keyword.operator.relational.ts
+# ^ text.html.vue source.ts
+#  ^^^^ text.html.vue source.ts constant.language.boolean.true.ts
+>) {}
+#^ text.html.vue source.ts meta.brace.round.ts
+# ^ text.html.vue source.ts
+#  ^ text.html.vue source.ts meta.block.ts punctuation.definition.block.ts
+#   ^ text.html.vue source.ts meta.block.ts punctuation.definition.block.ts
+>interface Foo
+#^^^^^^^^^ text.html.vue source.ts meta.interface.ts storage.type.interface.ts
+#         ^ text.html.vue source.ts meta.interface.ts
+#          ^^^ text.html.vue source.ts meta.interface.ts entity.name.type.interface.ts
+><T> { value: T; }
+#^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts punctuation.definition.typeparameters.begin.ts
+# ^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts entity.name.type.ts
+#  ^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts punctuation.definition.typeparameters.end.ts
+#   ^ text.html.vue source.ts meta.interface.ts
+#    ^ text.html.vue source.ts meta.interface.ts punctuation.definition.block.ts
+#     ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts
+#      ^^^^^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.definition.property.ts variable.object.property.ts
+#           ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts keyword.operator.type.annotation.ts
+#            ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts
+#             ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts entity.name.type.ts
+#              ^ text.html.vue source.ts meta.interface.ts punctuation.terminator.statement.ts
+#               ^ text.html.vue source.ts meta.interface.ts
+#                ^ text.html.vue source.ts meta.interface.ts punctuation.definition.block.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="tsx">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                 ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                  ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^^^^^^^^^ text.html.vue
+>< true
+#^^^^^^^ text.html.vue
+>) {}
+#^^^^^ text.html.vue
+>interface Foo
+#^^^^^^^^^^^^^^ text.html.vue
+><T> { value: T; }
+#^^^^^^^^^^^^^^^^^^ text.html.vue
+>(
+#^^ text.html.vue
+><br />
+#^^^^^^^ text.html.vue
+>);
+#^^^ text.html.vue
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > basic.vue 1`] = `
+"><script setup>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>const a = 0;
+#^^^^^ text.html.vue source.js meta.var.expr.js storage.type.js
+#     ^ text.html.vue source.js meta.var.expr.js
+#      ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js meta.definition.variable.js variable.other.constant.js
+#       ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js
+#        ^ text.html.vue source.js meta.var.expr.js keyword.operator.assignment.js
+#         ^ text.html.vue source.js meta.var.expr.js
+#          ^ text.html.vue source.js meta.var.expr.js constant.numeric.decimal.js
+#           ^ text.html.vue source.js punctuation.terminator.statement.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 0;
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+#          ^ text.html.vue source.ts punctuation.terminator.statement.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><template>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^^^ text.html.vue entity.name.tag.template.html.vue
+#         ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>    <div />
+#^^^^ text.html.vue text.html.derivative
+#    ^ text.html.vue text.html.derivative meta.tag.structure.div.start.html punctuation.definition.tag.begin.html
+#     ^^^ text.html.vue text.html.derivative meta.tag.structure.div.start.html entity.name.tag.html
+#        ^ text.html.vue text.html.derivative meta.tag.structure.div.start.html
+#         ^ text.html.vue text.html.derivative meta.tag.structure.div.start.html invalid.illegal.character-not-allowed-here.html
+#          ^ text.html.vue text.html.derivative meta.tag.structure.div.start.html punctuation.definition.tag.end.html
+></template>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^^^ text.html.vue entity.name.tag.template.html.vue
+#          ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style scoped>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#      ^ text.html.vue meta.tag-stuff
+#       ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>:root {
+#^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css punctuation.definition.entity.css
+# ^^^^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css
+#     ^ text.html.vue source.css
+#      ^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.begin.bracket.curly.css
+>    color: red;
+#^^^^ text.html.vue source.css meta.property-list.css
+#    ^^^^^ text.html.vue source.css meta.property-list.css meta.property-name.css support.type.property-name.css
+#         ^ text.html.vue source.css meta.property-list.css punctuation.separator.key-value.css
+#          ^ text.html.vue source.css meta.property-list.css
+#           ^^^ text.html.vue source.css meta.property-list.css meta.property-value.css support.constant.color.w3c-standard-color-name.css
+#              ^ text.html.vue source.css meta.property-list.css punctuation.terminator.rule.css
+>}
+#^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.end.bracket.curly.css
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style scoped lang="scss">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#      ^ text.html.vue meta.tag-stuff
+#       ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                        ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                         ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>$color: red;
+#^^^^^^ text.html.vue source.css.scss meta.definition.variable.scss variable.scss
+#      ^ text.html.vue source.css.scss meta.definition.variable.scss punctuation.separator.key-value.scss
+#       ^ text.html.vue source.css.scss meta.definition.variable.scss
+#        ^^^ text.html.vue source.css.scss meta.definition.variable.scss support.constant.color.w3c-standard-color-name.css
+#           ^ text.html.vue source.css.scss punctuation.terminator.rule.scss
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > leading-operator.vue 1`] = `
+"><script>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.js keyword.control.conditional.js
+#  ^ text.html.vue source.js
+#   ^ text.html.vue source.js meta.brace.round.js
+#    ^^^^^ text.html.vue source.js constant.language.boolean.false.js
+>< true
+#^ text.html.vue source.js keyword.operator.relational.js
+# ^ text.html.vue source.js
+#  ^^^^ text.html.vue source.js constant.language.boolean.true.js
+>) { }
+#^ text.html.vue source.js meta.brace.round.js
+# ^ text.html.vue source.js
+#  ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+#   ^ text.html.vue source.js meta.block.js
+#    ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="js">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                 ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.js keyword.control.conditional.js
+#  ^ text.html.vue source.js
+#   ^ text.html.vue source.js meta.brace.round.js
+#    ^^^^^ text.html.vue source.js constant.language.boolean.false.js
+>< true
+#^ text.html.vue source.js keyword.operator.relational.js
+# ^ text.html.vue source.js
+#  ^^^^ text.html.vue source.js constant.language.boolean.true.js
+>) {}
+#^ text.html.vue source.js meta.brace.round.js
+# ^ text.html.vue source.js
+#  ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+#   ^ text.html.vue source.js meta.block.js punctuation.definition.block.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="jsx">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                 ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                  ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^^^^^^^^^ text.html.vue
+>< true
+#^^^^^^^ text.html.vue
+>) {}
+#^^^^^ text.html.vue
+>(
+#^^ text.html.vue
+><br />
+#^^^^^^^ text.html.vue
+>);
+#^^^ text.html.vue
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                 ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^ text.html.vue source.ts keyword.control.conditional.ts
+#  ^ text.html.vue source.ts
+#   ^ text.html.vue source.ts meta.brace.round.ts
+#    ^^^^^ text.html.vue source.ts constant.language.boolean.false.ts
+>< true
+#^ text.html.vue source.ts keyword.operator.relational.ts
+# ^ text.html.vue source.ts
+#  ^^^^ text.html.vue source.ts constant.language.boolean.true.ts
+>) {}
+#^ text.html.vue source.ts meta.brace.round.ts
+# ^ text.html.vue source.ts
+#  ^ text.html.vue source.ts meta.block.ts punctuation.definition.block.ts
+#   ^ text.html.vue source.ts meta.block.ts punctuation.definition.block.ts
+>interface Foo
+#^^^^^^^^^ text.html.vue source.ts meta.interface.ts storage.type.interface.ts
+#         ^ text.html.vue source.ts meta.interface.ts
+#          ^^^ text.html.vue source.ts meta.interface.ts entity.name.type.interface.ts
+><T> { value: T; }
+#^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts punctuation.definition.typeparameters.begin.ts
+# ^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts entity.name.type.ts
+#  ^ text.html.vue source.ts meta.interface.ts meta.type.parameters.ts punctuation.definition.typeparameters.end.ts
+#   ^ text.html.vue source.ts meta.interface.ts
+#    ^ text.html.vue source.ts meta.interface.ts punctuation.definition.block.ts
+#     ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts
+#      ^^^^^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.definition.property.ts variable.object.property.ts
+#           ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts keyword.operator.type.annotation.ts
+#            ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts
+#             ^ text.html.vue source.ts meta.interface.ts meta.field.declaration.ts meta.type.annotation.ts entity.name.type.ts
+#              ^ text.html.vue source.ts meta.interface.ts punctuation.terminator.statement.ts
+#               ^ text.html.vue source.ts meta.interface.ts
+#                ^ text.html.vue source.ts meta.interface.ts punctuation.definition.block.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script lang="tsx">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#            ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#             ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#              ^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                 ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                  ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>if (false
+#^^^^^^^^^^ text.html.vue
+>< true
+#^^^^^^^ text.html.vue
+>) {}
+#^^^^^ text.html.vue
+>interface Foo
+#^^^^^^^^^^^^^^ text.html.vue
+><T> { value: T; }
+#^^^^^^^^^^^^^^^^^^ text.html.vue
+>(
+#^^ text.html.vue
+><br />
+#^^^^^^^ text.html.vue
+>);
+#^^^ text.html.vue
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > multi-line-setup.vue 1`] = `
+"><script setup>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>const a = 0;
+#^^^^^ text.html.vue source.js meta.var.expr.js storage.type.js
+#     ^ text.html.vue source.js meta.var.expr.js
+#      ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js meta.definition.variable.js variable.other.constant.js
+#       ^ text.html.vue source.js meta.var.expr.js meta.var-single-variable.expr.js
+#        ^ text.html.vue source.js meta.var.expr.js keyword.operator.assignment.js
+#         ^ text.html.vue source.js meta.var.expr.js
+#          ^ text.html.vue source.js meta.var.expr.js constant.numeric.decimal.js
+#           ^ text.html.vue source.js punctuation.terminator.statement.js
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><script setup lang="ts">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>type a = 0;
+#^^^^ text.html.vue source.ts meta.type.declaration.ts storage.type.type.ts
+#    ^ text.html.vue source.ts meta.type.declaration.ts
+#     ^ text.html.vue source.ts meta.type.declaration.ts entity.name.type.alias.ts
+#      ^ text.html.vue source.ts meta.type.declaration.ts
+#       ^ text.html.vue source.ts meta.type.declaration.ts keyword.operator.assignment.ts
+#        ^ text.html.vue source.ts meta.type.declaration.ts
+#         ^ text.html.vue source.ts meta.type.declaration.ts constant.numeric.decimal.ts
+#          ^ text.html.vue source.ts punctuation.terminator.statement.ts
+></script>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#        ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style scoped>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#      ^ text.html.vue meta.tag-stuff
+#       ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>:root {
+#^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css punctuation.definition.entity.css
+# ^^^^ text.html.vue source.css meta.selector.css entity.other.attribute-name.pseudo-class.css
+#     ^ text.html.vue source.css
+#      ^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.begin.bracket.curly.css
+>  color: red;
+#^^ text.html.vue source.css meta.property-list.css
+#  ^^^^^ text.html.vue source.css meta.property-list.css meta.property-name.css support.type.property-name.css
+#       ^ text.html.vue source.css meta.property-list.css punctuation.separator.key-value.css
+#        ^ text.html.vue source.css meta.property-list.css
+#         ^^^ text.html.vue source.css meta.property-list.css meta.property-value.css support.constant.color.w3c-standard-color-name.css
+#            ^ text.html.vue source.css meta.property-list.css punctuation.terminator.rule.css
+>}
+#^ text.html.vue source.css meta.property-list.css punctuation.section.property-list.end.bracket.curly.css
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue
+><style scoped lang="scss">
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#      ^ text.html.vue meta.tag-stuff
+#       ^^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.scoped.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                        ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                         ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+>$color: red;
+#^^^^^^ text.html.vue source.css.scss meta.definition.variable.scss variable.scss
+#      ^ text.html.vue source.css.scss meta.definition.variable.scss punctuation.separator.key-value.scss
+#       ^ text.html.vue source.css.scss meta.definition.variable.scss
+#        ^^^ text.html.vue source.css.scss meta.definition.variable.scss support.constant.color.w3c-standard-color-name.css
+#           ^ text.html.vue source.css.scss punctuation.terminator.rule.scss
+></style>
+#^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#  ^^^^^ text.html.vue entity.name.tag.style.html.vue
+#       ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
+exports[`embedded grammar > single-line-setup.vue 1`] = `
+"><script setup lang="ts">const a = 1;</script>
+#^ text.html.vue punctuation.definition.tag.begin.html.vue
+# ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#       ^ text.html.vue meta.tag-stuff
+#        ^^^^^ text.html.vue meta.tag-stuff meta.attribute.unrecognized.setup.html entity.other.attribute-name.html
+#             ^ text.html.vue meta.tag-stuff
+#              ^^^^ text.html.vue meta.tag-stuff meta.attribute.lang.html entity.other.attribute-name.html
+#                  ^ text.html.vue meta.tag-stuff meta.attribute.lang.html punctuation.separator.key-value.html
+#                   ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.begin.html
+#                    ^^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html
+#                      ^ text.html.vue meta.tag-stuff meta.attribute.lang.html string.quoted.double.html punctuation.definition.string.end.html
+#                       ^ text.html.vue meta.tag-stuff punctuation.definition.tag.end.html.vue
+#                        ^^^^^ text.html.vue source.ts meta.var.expr.ts storage.type.ts
+#                             ^ text.html.vue source.ts meta.var.expr.ts
+#                              ^ text.html.vue source.ts meta.var.expr.ts meta.var-single-variable.expr.ts meta.definition.variable.ts variable.other.constant.ts
+#                               ^ text.html.vue source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
+#                                ^ text.html.vue source.ts meta.var.expr.ts keyword.operator.assignment.ts
+#                                 ^ text.html.vue source.ts meta.var.expr.ts
+#                                  ^ text.html.vue source.ts meta.var.expr.ts constant.numeric.decimal.ts
+#                                   ^ text.html.vue source.ts punctuation.terminator.statement.ts
+#                                    ^^ text.html.vue punctuation.definition.tag.begin.html.vue
+#                                      ^^^^^^ text.html.vue entity.name.tag.script.html.vue
+#                                            ^ text.html.vue punctuation.definition.tag.end.html.vue
+>
+#^ text.html.vue"
+`;
+
 exports[`grammar > basic.vue 1`] = `
 "><div></div>
 #^ text.html.vue punctuation.definition.tag.begin.html.vue
diff --git a/extensions/vscode/tests/embeddedGrammarFixtures/#2060-ts-type-semicolon.vue b/extensions/vscode/tests/embeddedGrammarFixtures/#2060-ts-type-semicolon.vue
new file mode 100644
index 0000000000..bcff9e0040
--- /dev/null
+++ b/extensions/vscode/tests/embeddedGrammarFixtures/#2060-ts-type-semicolon.vue
@@ -0,0 +1,7 @@
+<script setup lang="ts">
+type a = 1;
+</script>
+
+<script setup lang="ts">
+type a = 1
+</script>
diff --git a/extensions/vscode/tests/embeddedGrammarFixtures/#3999-multi-line-setup.vue b/extensions/vscode/tests/embeddedGrammarFixtures/#3999-multi-line-setup.vue
new file mode 100644
index 0000000000..0bbc503677
--- /dev/null
+++ b/extensions/vscode/tests/embeddedGrammarFixtures/#3999-multi-line-setup.vue
@@ -0,0 +1,27 @@
+<script
+  setup
+>
+const a = 0;
+</script>
+
+<script
+  setup
+  lang="ts"
+>
+type a = 0;
+</script>
+
+<style
+  scoped
+>
+:root {
+  color: red;
+}
+</style>
+
+<style
+  scoped
+  lang="scss"
+>
+$color: red;
+</style>
diff --git a/extensions/vscode/tests/grammarFixtures/leading-operator.vue b/extensions/vscode/tests/embeddedGrammarFixtures/#4741-leading-operator.vue
similarity index 93%
rename from extensions/vscode/tests/grammarFixtures/leading-operator.vue
rename to extensions/vscode/tests/embeddedGrammarFixtures/#4741-leading-operator.vue
index af5c2c1bb9..c03a5c37bc 100644
--- a/extensions/vscode/tests/grammarFixtures/leading-operator.vue
+++ b/extensions/vscode/tests/embeddedGrammarFixtures/#4741-leading-operator.vue
@@ -2,18 +2,12 @@
 if (false
 < true
 ) { }
-(
-<br />
-);
 </script>
 
 <script lang="js">
 if (false
 < true
 ) {}
-(
-<br />
-);
 </script>
 
 <script lang="jsx">
diff --git a/extensions/vscode/tests/embeddedGrammarFixtures/basic.vue b/extensions/vscode/tests/embeddedGrammarFixtures/basic.vue
new file mode 100644
index 0000000000..34480d68b7
--- /dev/null
+++ b/extensions/vscode/tests/embeddedGrammarFixtures/basic.vue
@@ -0,0 +1,21 @@
+<script setup>
+const a = 0;
+</script>
+
+<script setup lang="ts">
+type a = 0;
+</script>
+
+<template>
+    <div />
+</template>
+
+<style scoped>
+:root {
+    color: red;
+}
+</style>
+
+<style scoped lang="scss">
+$color: red;
+</style>
diff --git a/extensions/vscode/tests/embeddedGrammarFixtures/single-line-setup.vue b/extensions/vscode/tests/embeddedGrammarFixtures/single-line-setup.vue
new file mode 100644
index 0000000000..a6165d686e
--- /dev/null
+++ b/extensions/vscode/tests/embeddedGrammarFixtures/single-line-setup.vue
@@ -0,0 +1 @@
+<script setup lang="ts">const a = 1;</script>
diff --git a/extensions/vscode/tests/embeddedGrammars/_lock.json b/extensions/vscode/tests/embeddedGrammars/_lock.json
new file mode 100644
index 0000000000..31e5855253
--- /dev/null
+++ b/extensions/vscode/tests/embeddedGrammars/_lock.json
@@ -0,0 +1,27 @@
+[
+	{
+		"file": "css.tmLanguage.json",
+		"url": "https://raw.githubusercontent.com/microsoft/vscode/main/extensions/css/syntaxes/css.tmLanguage.json",
+		"checksum": "sha256-bcc97d1a3a6bf112f72d8bdb58bc438eb68aa0e070b94d00c6064b75f5cab69b"
+	},
+	{
+		"file": "html.tmLanguage.json",
+		"url": "https://raw.githubusercontent.com/microsoft/vscode/main/extensions/html/syntaxes/html.tmLanguage.json",
+		"checksum": "sha256-80dedf4fb27e88889ac8fb72763954a6d2660502c686f4415208d8c8d00352cd"
+	},
+	{
+		"file": "javascript.tmLanguage.json",
+		"url": "https://raw.githubusercontent.com/microsoft/vscode/main/extensions/javascript/syntaxes/JavaScript.tmLanguage.json",
+		"checksum": "sha256-db6f17f15bc4f5e860a3b8fa6055a69720a53df845c8d5121cdc4f128c16291f"
+	},
+	{
+		"file": "scss.tmLanguage.json",
+		"url": "https://raw.githubusercontent.com/microsoft/vscode/main/extensions/scss/syntaxes/scss.tmLanguage.json",
+		"checksum": "sha256-8f2824a80a7c6fd558fc538ec52d0a7a42a4d7ecb7ddf20d79f0d1f00fa6602b"
+	},
+	{
+		"file": "typescript.tmLanguage.json",
+		"url": "https://raw.githubusercontent.com/microsoft/vscode/main/extensions/typescript-basics/syntaxes/TypeScript.tmLanguage.json",
+		"checksum": "sha256-4e92e0d7de560217d6c8d3236d85e6e17a5d77825b15729a230c761743122661"
+	}
+]
diff --git a/extensions/vscode/tests/grammar.spec.ts b/extensions/vscode/tests/grammar.spec.ts
index e88e4a2659..70608334ba 100644
--- a/extensions/vscode/tests/grammar.spec.ts
+++ b/extensions/vscode/tests/grammar.spec.ts
@@ -3,10 +3,13 @@ import * as path from 'node:path';
 import { describe, expect, it } from 'vitest';
 import { createGrammarSnapshot } from 'vscode-tmlanguage-snapshot';
 
+const grammarsSync = import('../scripts/grammars-sync');
 const fixturesDir = path.resolve(__dirname, './grammarFixtures');
+const embeddedFixturesDir = path.resolve(__dirname, './embeddedGrammarFixtures');
 const packageJsonPath = path.resolve(__dirname, '../package.json');
 
 describe('grammar', async () => {
+	await grammarsSync;
 	const snapshot = await createGrammarSnapshot(packageJsonPath);
 	const fixtures = fs.readdirSync(fixturesDir);
 
@@ -18,3 +21,26 @@ describe('grammar', async () => {
 		});
 	}
 });
+
+describe('embedded grammar', async () => {
+	await grammarsSync;
+	const embeddedGrammarsDir = path.resolve(__dirname, './embeddedGrammars');
+	const snapshot = await createGrammarSnapshot(packageJsonPath, {
+		extraGrammarPaths: [
+			path.resolve(embeddedGrammarsDir, './typescript.tmLanguage.json'),
+			path.resolve(embeddedGrammarsDir, './javascript.tmLanguage.json'),
+			path.resolve(embeddedGrammarsDir, './css.tmLanguage.json'),
+			path.resolve(embeddedGrammarsDir, './scss.tmLanguage.json'),
+			path.resolve(embeddedGrammarsDir, './html.tmLanguage.json'),
+		],
+	});
+	const fixtures = fs.readdirSync(embeddedFixturesDir);
+
+	for (const fixture of fixtures) {
+		it(fixture, async () => {
+			const result = await snapshot(`tests/embeddedGrammarFixtures/${fixture}`);
+
+			expect(result).toMatchSnapshot();
+		});
+	}
+});
diff --git a/package.json b/package.json
index 81714620b3..277136436e 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
 		"build": "tsgo -b",
 		"watch": "tsgo -b -w",
 		"test": "npm run build && vitest run",
-		"test:update": "npm run build && vitest run --update",
+		"test:grammar": "vitest run extensions/vscode/tests/grammar.spec.ts",
 		"format": "dprint fmt",
 		"lint": "tsslint --project {tsconfig.json,packages/*/tsconfig.json,extensions/*/tsconfig.json}",
 		"lint:fix": "npm run lint -- --fix"
diff --git a/vitest.config.ts b/vitest.config.ts
index 54b31ab673..34162392ad 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -2,12 +2,8 @@ import { defineConfig } from 'vitest/config';
 
 export default defineConfig({
 	test: {
-		testTimeout: 60_000,
-		poolOptions: {
-			forks: {
-				singleFork: true,
-				isolate: false,
-			},
-		},
+		testTimeout: 20_000,
+		fileParallelism: false,
+		isolate: false,
 	},
 });