YAML is not 100 percent awesome, but it's machine consumable, not too hard to edit by hand, and preferable (in my opinion) to a plethora of application specific

YAML is not 100 percent awesome, but it's machine consumable, not too hard to edit by hand, and preferable (in my opinion) to a plethora of application specific DSLs with different requirements for curly braces, semicolons and assignment operators.