os.path and Path

[Ethan Furman]

Steven D'Aprano wrote:
> If Path is intended to be platform independent, then 
> these two paths could represent the same location:
> 
> 'a/b/c:d/e'  # on Linux or OS X
> 'a:b:c/d:e'  # on classic Mac pre OS X
> 
> and be impossible on Windows. So what's the canonical path it should be 
> converted to?

Are these actual valid paths?  I thought Linux used '/' and Mac used ':'.

~Ethan~