Debunking the Myth: JSON Is Not a Subset of YAML
By
AndrewDucker
A good honest bake. Not flashy, but you'll finish the whole bagel.
Summary
The article debunks the common misconception that JSON is a subset of YAML, highlighting the risks of parsing JSON with a YAML parser. It explains that JSON documents can fail to parse as YAML or produce semantically different results, with the latter being more dangerous due to its subtlety. Examples include unquoted string scalars in YAML causing misinterpretations.
Key quotes
· 3 pulledFollowing this advice will end badly because JSON is not a subset of YAML.
It is easy to construct JSON documents that (1) fail to parse as YAML, or (2) parse to valid but semantically different YAML.
YAML (infamously) allows string scalars to be unquoted.
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