Lines of 残局文料/lua_lib/算机_程语_月_基类_文_后缀.lua from check-in 77f6e5c564 that are changed by the sequence of edits moving toward check-in 5b9fb5e09f:

                         1: local string = string
77f6e5c564 2024-02-08    2: local d = {}
                         3: -- 加与删
                         4: --~ 文
                         5: --~ 后缀
77f6e5c564 2024-02-08    6: function d.加后缀(o1, o2)
                         7:   return o1 .. (o2 or "")
                         8:   end
                         9: -- 全筛
                        10: --~ 文
                        11: --~ 后缀
77f6e5c564 2024-02-08   12: function d.全筛后缀(o1, o2)
                        13:   if string.sub(o1, -#o2) == o2 then
                        14:     return o1
                        15:     end
                        16:   end
77f6e5c564 2024-02-08   17: return d