{[tldr: "inline metadata"]}
mBraceSquare is a markup language used to represent metadata in regular text using familiar JSON/CSON syntax
{[ key: "value" ]}
Example
> cat ~/student_essays/jimmys_superhero.txt when I grow up, I want to be big and strong like #JohnCena. > cat ~/student_essays/jimmys_superhero_corrections.txt when I grow up, I want to be big and strong like John Cena {[comment: "I know it sounds cool Jimmy, but please don't use hashtags in your essays."]}.