Listing for blog post looks for title in code cell comments

Found by @mcanouil

quarto create project blog test-blog

than set in posts/welcome/index.qmd to

---
author: "Harlow Malloc"
date: "2025-07-08"
categories: [news, code, analysis]
image: "image.jpg"
---

```{r}
#| include: false
# A regular comment inside a code cell
print("Hello, World!")
```

{{< lipsum >}}

Not the # in comment for code cell, and no title in the YAML

Blog post has no title which is expected

But listing do promote the first header found, which leads to selecting comment

In some ways related to

• https://github.com/quarto-dev/quarto-cli/issues/6411
• https://github.com/quarto-dev/quarto-cli/issues/5363
• https://github.com/quarto-dev/quarto-cli/issues/11835