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Drop either colon or semicolon in 'numeric for' #146
When the numeric for loop was originally added, I had made it possible to use ':' or ';' after the index variable at someone's suggestion. This seems kinda silly and pointless now. Although I've gotten used to using ':', ';' seems like the more logical choice to fit in with C-style for loops. But at the same time, ':' makes them more visually distinct (though the '..' probably does that just as well).