local p = {}  function p.indent(frame)  -- Trim whitespace from the arguments and remove blank values.  local args = {}  if type(frame.args) == 'table' then  for k, v in pairs( frame.args ) do  v = mw.text.trim(v)  if v ~= '' then  args[k] = v  end  end  end   -- Set variables.  local indent = tonumber( args[1] )  local br = args[2]  local ret = ''   -- Insert line breaks to match the functionality of the original template.  -- If "br" is set, we need two line breaks; if not, we just need one.  if br then  ret = ret .. '<br />'  end  ret = ret .. '<br />'   -- Control for bad or zero input. If found, output the line breaks only,   -- as this was the previous behaviour of the template.  if not indent or indent <= 0 or math.floor(indent) ~= indent then  return ret  end   -- Generate the indents. The first four cases are special.  if indent == 1 then  return ret .. '&nbsp;'  elseif indent == 2 then  return ret .. '&nbsp;&nbsp;'  elseif indent == 3 then  return ret .. '&nbsp;&emsp;&nbsp;'  elseif indent == 4 then  return ret .. '&nbsp; &emsp; &nbsp;'  end   -- Set variables for generating the output after indent == 5.  local r = {}  r.base = '&nbsp;' -- Common text to all output.  r.rep = ' &emsp; &nbsp;' -- The text to repeat.  r.mod1 = '&nbsp;' -- To return on modulo 1.  r.mod2 = ' &emsp;' -- To return on modulo 2.  r.mod3 = ' &emsp;&nbsp;' -- To return on modulo 3.   -- New iteratorText values needed at 5, 9, 13, 17, etc., so repeat the  -- text (indent - 1)/4 times and find the remainder.  local reps = math.floor( (indent - 1) / 4 )  local remainder = math.fmod( indent - 1, 4 )   -- Generate the indent text.  ret = ret .. r.base .. mw.ustring.rep( r.rep, reps )  if remainder >= 1 and remainder <= 3 then  ret = ret .. r[ 'mod' .. remainder ]  end   return ret end  return p