> A new keyword would clobber existing symbols, and that's painful, so, C++ tries not to do it, instead repurposing existing keywords. It's even more painful t

> A new keyword would clobber existing symbols, and that's painful, so, C++ tries not to do it, instead repurposing existing keywords. It's even more painful than that. A new keyword could conflict with a macro. So even contextual keywords (something which is a keyword only in a place where arbitrary symbols are not allowed, so there's no conflict) could be problematic.