not OP but: tags (custom data types), more builtin data types (dates etc), more syntax variations (heredocuments, multiple ways to write a string,a boolean, etc), comments, references+aliases.
The language is vast, and most people use it without knowing it.
I love YAML, but I wish there was a "strict&sane yaml subset".
All those are good examples of yaml complexity but none of that is anywhere near what even a simple programming language can unleash (variables, loops, functions, recursion etc)
The language is vast, and most people use it without knowing it.
I love YAML, but I wish there was a "strict&sane yaml subset".