CommonMark

Call it The GCDLADB if you like.

Hugo, Goldmark and CommonMark Compliance  1 min read   Feb 11, 2020
Just making a note here that Hugo, as of version 0.60.0, is now using the Goldmark markdown rendering library, and that library is CommonMark compliant. The official word, from this document states that: Goldmark is from Hugo 0.60 the default library used for Markdown. It’s fast, it’s CommonMark compliant and it’s very flexible. Note that the feature set of Goldmark vs Blackfriday isn’t the same; you gain a lot but also lose some, but we will work to bridge any gap in the upcoming Hugo versions. ...