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On Tue, Jul 14, 2015 at 11:43:33PM +0900, Simon Cozens wrote:
> On 14/07/2015 23:40, Rob Kendrick wrote:
> > To be honest, exactly the same thing happens with Python, Ruby, and
> > Perl.
> 
> No, it doesn't, because these other languages take backwards
> compatibility seriously.

Python 3 is not backwards compatible with Python 2.  And Perl 5 is not
with 4.  In fact, 5 has broken stuff in "point releases" for me in the
past.

B.