Spotlight empty code blocks not working

[pomber]

Empty codeblocks with no filename not working as intended inside Spotlight (probably same for Scrollycoding):

<CH.Spotlight>

```text 
123456789
123456789
123456789
123456789
123456789
123456789
123456789
```

---

```text focus=1:5
```

focus=1:5

---

```text focus=1,2,3
```

focus=1,2,3

---

```text focus=2[1:6]
```

focus=2[1:6]

</CH.Spotlight>

Playground demo

[github-actions]

🚀 Issue was released in v0.6.0 🚀