> YAML has a lot of extra stuff going on that can cause accidents if you don't take care. The classic example is the "Norway problem" where "no" (the country co

> YAML has a lot of extra stuff going on that can cause accidents if you don't take care. The classic example is the "Norway problem" where "no" (the country code for Norway) is parsed as "false" instead. If "no" is used as a key, this can cause the Norwegian data to disappear or to throw strange errors on load. This was fixed in YAML 1.2, but the problem is that almost nobody uses (and there is patchy support for) it.