Add the long description (refpurpose) so that we can expose that in the meta information on the web site

Author: derickr

phpdotnet/phd/Package/PHP/Web.php

@@ -195,7 +195,7 @@ public function header($id) {
         $setup = array(
             "home" => array('index'.$ext, $this->getTitle()),
             "head" => array("UTF-8", $this->lang),
-            "this" => array($id.$ext, Format::getShortDescription($id)),
+            "this" => array($id.$ext, Format::getShortDescription($id), Format::getLongDescription($id)),
             "up"   => $up,
             "prev" => $prev,
             "next" => $next,