local p = {}  -- Credit to http://stackoverflow.com/a/1283608/2644759 -- cc-by-sa 3.0 local function tableMerge(t1, t2, overwrite)  for k,v in pairs(t2) do  if type(v) == "table" and type(t1[k]) == "table" then  -- since type(t1[k]) == type(v) == "table", so t1[k] and v is true  tableMerge(t1[k], v, overwrite) -- t2[k] == v  else  if overwrite or t1[k] == nil then t1[k] = v end  end  end  return t1 end  function p.loadI18n(name, i18n_arg)  local exist, res = pcall(require, name)  if exist and next(res) ~= nil then  if i18n_arg then  tableMerge(i18n_arg, res.i18n, true)  elseif type(i18n) == "table" then  -- merge to global i18n  tableMerge(i18n, res.i18n, true)  end  end end  function p.loadI18nFrame(frame, i18n_arg)  p.loadI18n(frame:getTitle().."/i18n", i18n_arg) end  return p