I agree. That post about all of the pitfalls of YAML was very well written. My two cents: The best config format that I have used is JSON with C & C++-style c

I agree. That post about all of the pitfalls of YAML was very well written. My two cents: The best config format that I have used is JSON with C & C++-style comments allowed. Sure, dates and numbers (int vs float) are still a bit wobbly, but it is good enough for 99% of my needs.