Allow use of ranges in copyright notices

[Joseph S. Myers]

On Mon, 2 Jul 2012, David Edelsohn wrote:

> There was a similar discussion many years ago. The dash format is
> widely used, but the comma format has better legal clarity and
> definition in worldwide copyright litigation, at least many years ago.

Maybe questions about the meanings of the dash format are why the GNU 
instructions require a statement in a README file about the use of that 
notation.

-- 
Joseph S. Myers
joseph@codesourcery.com