Why isn't C/C++'s “#pragma once” an ISO standard?

Question

I am currently working on a big project and maintaining all those include guards makes me crazy! Writing it by hand is frustrating waste of time. Although many editors can g

Answer 1

IIRC, #pragma anything is not part of the language. And it shows up in practice, a lot.

(edit:completely agree that the inclusion and linking system should have been more of a focus for the new standard as it is one of the most obvious weaknesses, in 'le this day and age' )