Lines of 残局文料/lua_lib/算机_程语_月_基类_文.lua from check-in a4c0b3bd26 that are changed by the sequence of edits moving toward check-in 4c19907139:

                         1: local string = string
                         2: local s = {}
a4c0b3bd26 2024-02-13    3: function s.连(u1, u2, o3, o4, o5, o6, o7, o8, o9)
a4c0b3bd26 2024-02-13    4:   return u1 .. (u2 or "") .. (o3 or "") .. (o4 or "") .. (o5 or "") .. (o6 or "") .. (o7 or "") .. (o8 or "") .. (o9 or "")
                         5:   end
                         6: --~ 排中文
                         7: --~ 入参2
                         8: --~ 入参3
                         9: --~ 入参4
a4c0b3bd26 2024-02-13   10: function s.全筛文(u1, u2, o3, o4)
                        11:   --~ print(4)
a4c0b3bd26 2024-02-13   12:   if string.find(u1, u2, o3, o4) then
                        13:     return u1
                        14:     end
                        15:   end
                        16: return s