local p = {}  local digits = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'  function normalizeFullWidthChars(s)  return mw.ustring.gsub(s, '[！-～]', function(s)  return mw.ustring.char(mw.ustring.codepoint(s, 1) - 0xFEE0)  end) end  function _convert(n, base, from, precision, width, default, prefix, suffix)  n = '' .. n -- convert to a string   -- strip off any leading '0x' (unless x is a valid digit in the input base)  from = tonumber(from)  if not from or from < 34 then  local c  n, c = n:gsub('^(-?)0[Xx]', '%1')  if c > 0 and not from then from = 16 end  end   -- check for a negative sign. Do this while the input is still in string form,  -- because tonumber doesn't support negative numbers in non-10 bases.  local sign = ''  local c  n, c = n:gsub('^-', '')  if c > 0 then sign = '-' end   -- replace any full-width Unicode characters in the string with their ASCII equivalents  n = normalizeFullWidthChars(n)   -- handle scientific notation with whitespace around the 'e' e.g. '5 e7'  n = n:gsub('%s*[eE]%s*', 'e')   from = from or 10  local num = tonumber(n, from)  base = tonumber(base)  precision = tonumber(precision)  width = tonumber(width)   if not num or not base then return default or n end   local i, f = math.modf(num)   local t = {}  repeat  local d = (i % base) + 1  i = math.floor(i / base)  table.insert(t, 1, digits:sub(d, d))  until i == 0  while #t < (width or 0) do  table.insert(t, 1, '0')  end  local intPart = table.concat(t, '')   -- compute the fractional part  local tf = {}  while f > 0 and #tf < (precision or 10) do  f = f * base  i, f = math.modf(f)  table.insert(tf, digits:sub(i + 1, i + 1))  end   -- add trailing zeros if needed  if precision and #tf < precision then  for i = 1, precision - #tf do  table.insert(tf, '0')  end  end   fracPart = table.concat(tf, '')   -- remove trailing zeros if not needed  if not precision then  fracPart = fracPart:gsub('0*$', '')  end   -- add the radix point if needed  if #fracPart > 0 then  fracPart = '.' .. fracPart  end   return (prefix or '') .. sign .. intPart .. fracPart .. (suffix or '') end  function p.convert(frame)  -- Allow for invocation via #invoke or directly from another module  local args  if frame == mw.getCurrentFrame() then  args = frame.args  else  args = frame  end   local n = args.n  local base = args.base  local from = args.from  local precision = args.precision  local width = args.width  local default = args.default  local prefix = args.prefix  local suffix = args.suffix  return _convert(n, base, from, precision, width, default, prefix, suffix) end  return p