Merge pull request #112 from Orgoth/patch-1

Update AllowedAttributes.php

Author: darylldoyle

src/data/AllowedAttributes.php

@@ -143,6 +143,7 @@ public static function getAttributes()
             'direction',
             'display',
             'divisor',
+            'dominant-baseline',
             'dur',
             'edgemode',
             'elevation',