test all possible variations

docs/test.md

@@ -0,0 +1,84 @@
+# Code Groups
+
+::: code-group
+
+```txt-vue{1}
+{{ 1 + 1 }}
+```
+
+```js [app.vue]
+<template>
+  <NuxtLayout>
+    <NuxtPage />
+  </NuxtLayout>
+</template>
+```
+
+<!-- kkk -->
+
+```vue-html{3,4} [layouts/custom.vue]
+<template>
+  <div>
+    Some *custom* layout
+    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur imperdiet mi in nunc faucibus consequat.
+    <slot />
+  </div>
+</template>
+```
+
+```js{1-3,5} [layouts/default.vue]
+export default {
+  name: 'MyComponent'
+  // ...
+}
+<template>
+  <div>
+    Some *custom* layout
+    <slot />
+  </div>
+</template>
+```
+
+:::
+
+- in list
+
+- ::: code-group
+
+  ```js
+  printf('111')
+  ```
+
+  ```python
+  import torch as th
+  print("Hello world")
+  ```
+
+  ```
+  import torch as th
+  print("Hello world")
+  ```
+
+  :::
+
+```
+.
+├─ index.md
+├─ foo
+│  ├─ index.md
+│  ├─ one.md
+│  └─ two.md
+└─ bar
+   ├─ index.md
+   ├─ three.md
+   └─ four.md
+```
+
+- ```md{1-3,5}
+  [Home](/) <!-- sends the user to the root index.md -->
+  [foo](/foo/) <!-- sends the user to index.html of directory foo -->
+  [foo heading](./#heading) <!-- anchors user to a heading in the foo index file -->
+  [bar - three](../bar/three) <!-- you can omit extention -->
+  [bar - three](../bar/three.md) <!-- you can append .md -->
+  [bar - four](../bar/four.html) <!-- or you can append .html -->
+  ```