-Werror policy

[Roland McGrath]

> On Mon, 24 Nov 2014, Roland McGrath wrote:
> 
> > Moreover, as a reviewer, I will notice the slot where the explanation is
> > supposed to be because an empty macro argument or a stubby-looking string
> > will stick out like a sore thumb and make me remember the whole issue about
> 
> I don't think it will - plenty of macros can be used with arguments that 
> may or may not be empty (or an empty string, etc.).

But ,, or ,"", never passes by my eye without me thinking about what it's for.