bug#38503: Locale can cause incorrect number parsing in binary files

[Paul Eggert]

On 12/5/19 12:40 PM, Eric Blake wrote:
> I'm not sure of the current state of whether grep tries to use RRI on 
> all systems or only on systems where it relies on gnulib's regcomp 
> instead of libc.

As I recall, grep doesn't make any special effort to use RRI. That is, 
if the underlying library uses RRI, then grep does so as well; otherwise 
it doesn't.