captaincaveman·há 4 anos·discussit works well for laying out information for reading, and has some additional markup beyond just layout (unlike markdown), I'd argue it is fairly rudimentary and not extensible.
captaincaveman·há 4 anos·discussyet has no metadata or any semantics, its basically just how you layout text ...
captaincaveman·há 4 anos·discussMarkdown is fine for formatting text, not convinced it's great for knowledge management.