[tempodox]

Not hidden, the C standard spells it out. And implementation-defined behavior can be observed.

[raydev]

> Not hidden, the C standard spells it out

I would argue that if it needs to be spelled out in a separate document from the code you're reading, then it's hidden.

[tempodox]

You must be joking. Like, you only use languages that don't require you to learn anything.