local p = {}  function p.main(frame)  local args = require('มอดูล:Arguments').getArgs(frame, {wrappers ='แม่แบบ:If empty', removeBlanks = false})   -- For backwards compatibility reasons, the first 8 parameters can be unset instead of being blank,  -- even though there's really no legitimate use case for this. At some point, this will be removed.  local lowestNil = math.huge  for i = 8,1,-1 do  if args[i] == nil then  args[i] = ''  lowestNil = i  end  end   for k,v in ipairs(args) do  if v ~= '' then  if lowestNil < k then  -- If any uses of this template depend on the behavior above, add them to a tracking category.  -- This is a rather fragile, convoluted, hacky way to do it, but it ensures that this module's output won't be modified  -- by it.  frame:extensionTag('ref', '[[หมวดหมู่:Instances of Template:If_empty missing arguments]]', {group = 'TrackingCategory'})  frame:extensionTag('references', '', {group = 'TrackingCategory'})  end  return v  end  end end  return p