literals optimization (was Re: append on lists)

[Terry Reedy]

Maric Michaud wrote:
> Le Tuesday 16 September 2008 16:57:26 Grant Edwards, vous avez écrit :

>> Where is that in the specification?

> Each literal creates a new instance,

This does not answer 'where' but just adds another false claim.  I just 
reread the Reference Manual, Lexical Analysis chapter, Literals section 
and there is nothing like that that I saw.  And the reference 
implementation is obviously different.