Fix for double encoding resulting from Markdown Extra - #764

system/src/Grav/Common/Markdown/ParsedownGravTrait.php

@@ -229,6 +229,7 @@ trait ParsedownGravTrait
 
                     // if there is a query, then parse it and build action calls
                     if (isset($url['query'])) {
+                        $url['query'] = htmlspecialchars_decode(urldecode($url['query']));
                         $actions = array_reduce(explode('&', $url['query']), function ($carry, $item) {
                             $parts = explode('=', $item, 2);
                             $value = isset($parts[1]) ? $parts[1] : null;