Module:RSI

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Documentation for this module may be created at Module:RSI/doc

-- Optionally add "https://robertsspaceindustries.com/" to url if it is not present. 
local p = {}
function p.rsi_url(frame)
  local base_url = "https://robertsspaceindustries.com/"
  local url = frame.args[1]
  local return_val
  if (string.sub(url,1,string.len(base_url))==base_url) then
    return_val = url
  else
    return_val = base_url .. url
  end
  return return_val
end
return p