d3a3056204
feedkeys_spec.lua: In the "backspace test spec, the backspace setting is given an integer, but only accepts strings. Here, I assume that 0 was intended to set backspace to a nil value, which can be done with the empty string. I also corrected the name of the test spec. core_spec.lua: In the "textedit" test spec, the actual and expected outputs as well as the actual and expected end characters did not match.