is a straightforward machine parsable data serialization format designed for human readability and interaction with scripting languages such as Perl and Python. YAML is optimized for data serialization, configuration settings, log files, Internet messaging and filtering. Alternative to XML, RDF.
Syck implementation http://whytheluckystiff.net/syck/
Jan'2006 update - esp Syck/PySyck http://redhanded.hobix.com/inspect/languageHoppingWithYaml.html
R-Markdown: https://zsmith27.github.io/rmarkdown_crash-course/lesson-4-yaml-headers.html A YAML header contains YAML arguments, such as “title”, “author”, and “output”, demarcated by three dashes (—) on either end.
- another doc