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On 4 April 2014 20:57, Jeremy Ong <jeremycong@gmail.com> wrote:
> Math/physics guy chiming in. The hyperbolic trig functions are easily
> implementable in terms of the exponential but I think they are still
> useful. However, I think the thing that is missing from this entire
> conversation is an explicit explanation for the motivation behind
> removing the functions as stated. What is the tradeoff exactly?

I thought that would be obvious: to reduce maintenance, bug surface
area, documentation, etc. Given the Lua development model, it seems
fair to shift some of that burden to external libraries, especially
for mostly redundant or specialized functions.