为什么“ new”和“ make”不是保留关键字？

Question

With syntax highlighting enabled, it's distracting while reading code like answer to this question with new used as a variable name.

I'm trying to think of a reason why only a subset of keywords would be reserved and can't come up with a good one.

Edit: Alternate title for this question:

Why are Go's predeclared identifiers not reserved ?

Answer 1

That's because new and make aren't really keywords, but built-in functions.

If you examine the full list of the reserved keywords, you won't see len or cap either...