the`authors`hereby`grant`permission`to`use,`copy,`modify,`distribute,`and`license`this`software`and`its`documentation`for`any`purpose,`provided`that`existing`copyright`notices`are`retained`in`all`copies`and`that`this`notice`is`included`verbatim`in`any`distributions\.`no`written`agreement,`license,`or`royalty`fee`is`required`for`any`of`the`authorized`uses\.`modifications`to`this`software`may`be`copyrighted`by`their`authors`and`need`not`follow`the`licensing`terms`described`here,`provided`that`the`new`terms`are`clearly`indicated`on`the`first`page`of`each`file`where`they`apply\.`in`no`event`shall`the`authors`or`distributors`be`liable`to`any`party`for`direct,`indirect,`special,`incidental,`or`consequential`damages`arising`out`of`the`use`of`this`software,`its`documentation,`or`any`derivatives`thereof,`even`if`the`authors`have`been`advised`of`the`possibility`of`such`damage\.`the`authors`and`distributors`specifically`disclaim`any`warranties,`including,`but`not`limited`to,`the`implied`warranties`of`merchantability,`fitness`for`a`particular`purpose,`and`non\-`infringement\.`this`software`is`provided`on`an`as`is`basis,`and`the`authors`and`distributors`have`no`obligation`to`provide`maintenance,`support,`updates,`enhancements,`or`modifications\.`government`use:`if`you`are`acquiring`this`software`on`behalf`of`the`u\.`s\.`government,`the`government`shall`have`only`restricted`rights`in`the`software`and`related`documentation`as`defined`in`the`federal`acquisition`regulations`\(fars\)`in`clause`52\.227\.19`\(c\)`\(2\)\.`if`you`are`acquiring`the`software`on`behalf`of`the`department`of`defense,`the`software`shall`be`classified`as`commercial`computer`software`and`the`government`shall`have`only`restricted`rights`as`defined`in`clause`252\.227\-7013`\(c\)`\(1\)`of`dfars\.`notwithstanding`the`foregoing,`the`authors`grant`the`u\.`s\.`government`and`others`acting`in`its`behalf`permission`to`use`and`distribute`the`software`in`accordance`with`the`terms`specified`in`this`license\.`by`installing`this`software,`you`acknowledge`that`you`have`read`this`agreement,`that`you`understand`it,`and`that`you`agree`to`be`bound`by`its`terms`and`conditions\.