I have seen this 
![image](https://github.com/quarto-dev/quarto-cli/assets/6791940/fd066ce7-e72d-4d97-9026-9d01f71fc8ab)

`book` and `manuscript` should be separated. right ?

We probably have something in our YAML schema...  
2023-06-14T21:19:12Z
cderv
yaml-validation
closed
YAML completion issue with project type ?
https://github.com/quarto-dev/quarto-cli/issues/5930