[gxml] GomElement.initialize: adding some documentation

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit a1702779ac014a217a40c1f30d368dbf67405364
Author: Daniel Espinosa <esodan gmail com>
Date:   Wed Feb 1 13:03:39 2017 -0600

    GomElement.initialize: adding some documentation

 gxml/GomElement.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gxml/GomElement.vala b/gxml/GomElement.vala
index 242f2e2..a000e29 100644
--- a/gxml/GomElement.vala
+++ b/gxml/GomElement.vala
@@ -232,7 +232,9 @@ public class GXml.GomElement : GomNode,
   }
   /**
    * Convenient function to initialize, at construction time, a {@link GomElement}
-   * using given local name.
+   * using given local name. If {@link GomElement.initialize_with_namespace}
+   * has been called in any base class, this method just change elment node's name
+   * and keeps previous namespace and prefix.
    */
   public void initialize (string local_name) {
     _local_name = local_name;