Criteria for a warning to be in -Wall? (was: Re: a warning to implement)

[Robert Lipe]

> Sigh.  In C++ there is standard syntax for saying that an argument is
> unused.  For example, if the second argument is unused

This is a useful point....For C++.  While I didn't state the source
language in question, it was C89 an this syntax is not valid.

> > as magic /* ARGSUNUSED */ comments recognized by others.
> 
> Lint-like comments go back to the origins of C and many of them are
> recognized by multiple compilers.

But not GCC itself.

RJL