A key point: Language features have costs, not just benefits. Language designers should remember that, and be cautious about adding new features.
> The surest way to sabotage a standard is to say yes to everything.
I like that quote. And with the current high frequency of new standard releases the probability for this is even higher. Maybe they should slow down and take more time.
So, does that mean the C++ subset of C should be C=-C++ or a different trigraph?