Text::Haml implements Haml
http://haml-lang.com/docs/yardoc/file.HAML_REFERENCE.html
specification.

Text::Haml passes specification tests written by Norman Clarke
https://github.com/norman/haml-spec and supports only cross-language
Haml features.  Do not expect Ruby specific things to work.

WWW: https://metacpan.org/release/Text-Haml