(?:`)?(?:.{,5000})(?:`)?permission`is`granted`to`anyone`to`use`this`software`for`any`purpose`on`any`computer`system,`and`to`redistribute`it`freely,`subject`to`the`following`restrictions:(?:`)?(?:.{,20})(?:`)?the`author`is`not`responsible`for`the`consequences`of`use`of`this`software,`no`matter`how`awful,`even`if`they`arise`from`defects`in`it\.(?:`)?(?:.{,20})(?:`)?the`origin`of`this`software`must`not`be`misrepresented,`either`by`explicit`claim`or`by`omission\.(?:`)?(?:.{,20})(?:`)?`altered`versions`must`be`plainly`marked`as`such,`and`must`not`be`misrepresented`as`being`the`original`software\.