Comment #1 on issue 2637 by asmeurer: Unicode Sigma for pretty printed Sum
http://code.google.com/p/sympy/issues/detail?id=2637
I can't find a decent looking replacement for ). There don't seem to be
any tall > characters in unicode, unless I missed them.
Therefore, I recommend using only an even number of lines, like
___
╲
╲
╱
╱
‾‾‾
The question is, what line should the equation go on? What looks better
n
___
╲
╲ f(k)
╱
╱
‾‾‾
k = 1
or
n
___
╲
╲
╱ f(k)
╱
‾‾‾
k = 1
?
There doesn't seem to be good , and ` replacements (other than ⎲ and ⎳), so
I say just leave them off.
By the way, I asked on StackOverflow about characters like ⎳ that take up
more than one cell in Mac OS X's Terminal
(http://stackoverflow.com/questions/7086856/programmatically-tell-if-a-unicode-character-takes-up-more-than-on-character-spac).
We'll see if anything useful comes out of it.
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