The file https://github.com/quarto-dev/quarto-web/blob/50b8e37ab46690f04be9d96a5955928132810449/docs/reference/projects/book.json, contains duplicate entries, some that do not seem to correspond to the quarto book type.

I am submitting a quick PR to fix this issue.
2023-01-14T16:12:00Z
jmcastagnetto
bug enhancement yaml-validation
v1.3
closed
Clean up schemas in the presence of overlapping entries
https://github.com/quarto-dev/quarto-cli/issues/3981