this post was submitted on 24 Feb 2026
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Yup! YAML is defined as a "strict superset" of JSON (or at least, it was the last time I checked).
It's a lot like markdown and HTML; when you want to write something deeply structured and somewhat complex you can always drop back/down to the format with explicit closing delimiters and it just works™.
I found out the hard way this is not entirely correct, as a user found a valid json that yaml parsers didn't handle. IIRC it was some exotic whitespace issue
Yes, in true YAML fashion, there are some edge cases where things act weird but are technically correct.