(?:`)?(?:html`tidy`license)?(?:`)?this`software`and`documentation`is`provided`as`is,`and`the`copyright`holders`and`contributing`author\(s\)`make`no`representations`or`warranties,`express`or`implied,`including`but`not`limited`to,`warranties`of`merchantability`or`fitness`for`any`particular`purpose`or`that`the`use`of`the`software`or`documentation`will`not`infringe`any`third`party`patents,`copyrights,`trademarks`or`other`rights\.`the`copyright`holders`and`contributing`author\(s\)`will`not`be`held`liable`for`any`direct,`indirect,`special`or`consequential`damages`arising`out`of`any`use`of`the`software`or`documentation,`even`if`advised`of`the`possibility`of`such`damage\.`permission`is`hereby`granted`to`use,`copy,`modify,`and`distribute`this`source`code,`or`portions`hereof,`documentation`and`executables,`for`any`purpose,`without`fee,`subject`to`the`following`restrictions:`(?:.{,20})`the`origin`of`this`source`code`must`not`be`misrepresented\.`(?:.{,20})`altered`versions`must`be`plainly`marked`as`such`and`must`not`be`misrepresented`as`being`the`original`source\.`(?:.{,20})`this`copyright`notice`may`not`be`removed`or`altered`from`any`source`or`altered`source`distribution\.`the`copyright`holders`and`contributing`author\(s\)`specifically`permit,`without`fee,`and`encourage`the`use`of`this`source`code`as`a`component`for`supporting`the`hypertext`markup`language`in`commercial`products\.`if`you`use`this`source`code`in`a`product,`acknowledgement`is`not`required`but`would`be`appreciated\.