add comment for appending tokens_rzpairs_map
add comment for appending tokens_rzpairs_map

linpan/zipcodetw,moskytw/zipcodetw,linpan/zipcodetw,linpan/zipcodetw,simonfork/zipcodetw,simonfork/zipcodetw,moskytw/zipcodetw,simonfork/zipcodetw,moskytw/zipcodetw