[Bug c/84890] Overly verbose notes for missing headers

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84890

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Hacker News user "dmckeon" commented:
  https://news.ycombinator.com/item?id=16603185

> A small idea: reframe suggestions to be positive, future-looking,
> and pro-active, such as replacing:
>
>   did you forget to ‘#include <limits.h>’?
> 
> with:
> 
>   do you want to ‘#include <limits.h>’?
>
> or, perhaps better:
>
>   you may want to ‘#include <limits.h>’.
>
> It may seem a small thing, but focusing on the solution rather
> than the problem may tend to sooth the mind of the coder, rather
> than to magnify their annoyance.

I like this.

> Consider it a path that is the opposite of Nedry's
> "You didn't say the magic word!"

Indeed.  We want the feeling that the compiler is the servant of the user, not
the other way around.