Describe the bug
Create a Markdown element, disable spellcheck and type:
```fooxyz
When the cursor is inside the code block, try pressing the Enter key. Nothing happens. Happens in v4, in both Firefox and Safari.
Exception: `Uncaught Error: Language id "vs.editor.nullLanguage" is not configured nor known`
<details>
Uncaught Error: Language id "vs.editor.nullLanguage" is not configured nor known
Describe the bug Create a Markdown element, disable spellcheck and type:
Uncaught Error: Language id "vs.editor.nullLanguage" is not configured nor known
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