(?:`)?(?:.{,5000})(?:`)?this`software`is`distributed`in`the`hope`that`it`will`be`useful,`but`with`no`warranty`of`any`kind\.`no`author`or`distributor`accepts`responsibility`to`anyone`for`the`consequences`of`using`this`software,`or`for`whether`it`serves`any`particular`purpose`or`works`at`all,`unless`he`or`she`says`so`in`writing\.`everyone`is`granted`permission`to`copy,`modify`and`redistribute`this`source`code,`for`commercial`or`noncommercial`purposes,`with`the`following`restrictions:(?:`)?(?:.{,20})(?:`)?the`origin`of`this`source`code`must`not`be`misrepresented;(?:`)?(?:.{,20})(?:`)?modified`versions`must`be`plainly`marked`as`such;`and(?:`)?(?:.{,20})(?:`)?`this`notice`may`not`be`removed`or`altered`from`any`source`or`modified`source`distribution\.