YAML

Yet Another Markup Language

In short

A fine-grained way to store lists and mappings, recursively nested; it is to configuration files what Markdown is to Text (formatted).

item info
types Data (container), Text (plain)
preferred ✅ yes
extensions .yaml
related formats CSS, CSV, HTML, JSON, Markdown, SQL, TAR, TeX, Text, XML
wikipedia YAML

See also