Issue 1169: unify symbols and var
http://code.google.com/p/sympy/issues/detail?id=1169

Comment #5 by Vinzent.Steinberg:
Yeah, it's more elegant to call symbols() from var(). The duplication is  
however
minimal, so I'm +-0. But:  
http://en.wikipedia.org/wiki/Don%27t_repeat_yourself

> we may expose some functionality from Symbol to handle stuff  
like "\alpha", but
> otherwise it should just work. And all the logic will be at one place in  
symbols().

What do you mean?


If we change the syntax this way, it should maybe even be postponed to 0.7,  
because
it will break people's code. We could offer a script doing the conversion.





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