Lines of 残局文料/lua_lib/算机_程语_月_基类_能_返参.lua from check-in 77f6e5c564 that are changed by the sequence of edits moving toward check-in 47e0a87646:

                         1: local d = {}
                         2: -- 数量
                         3: --~ 入参1
                         4: --~ 入参2
                         5: function d.二参(o1, o2)
                         6:   return o1, o2
                         7:   end
                         8: return d