# Summary
YAML extends JSON's capabilities while maintaining full compatibility, allowing for data serialization and conversion between the two formats without information loss.
# Abstract
YAML, standing for "YAML Ain't Markup Language," is introduced as a data serialization language that is a superset of JSON. As detailed in the YAML 1.2 specification, YAML's design does not sacrifice the ability to represent the same data structures as JSON. This ensures that any data file formatted in JSON can be seamlessly converted to YAML without any data loss, despite the difference in their syntax. The functional equivalence is contingent upon sticking to JSON's feature set when working within YAML.
# Opinions
- YAML is acknowledged as being more than just a markup language; it is primarily a data serialization language.
- The design of YAML is intentional, aiming to maintain backwards compatibility with JSON while extending its capabilities.
- It is implied that YAML's additional features do not detract from its ability to function as JSON, as long as one adheres to the JSON feature set within YAML.
- The implication is that YAML offers a broader range of functionalities compared to JSON, making it a more versatile tool for data representation and serialization.
YAML is a superset of JSON — it is explained in more detail here:
The thing to note is that JSON is always convertible to YAML. So if you have a datafile in JSON or restrict yourself to JSON functionality in YAML, you can convert between them without any loss of information. The formats look very different, but functionally they are the same (for the JSON subset of functionality).
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