added check for namespace attribute on parse, fixes #30

Source/SvgElementFactory.cs

@@ -179,11 +179,30 @@ namespace Svg
                 }
             }
             else
+            {
+                //check for namespace declaration in svg element
+                if (string.Equals(element.ElementName, "svg", StringComparison.OrdinalIgnoreCase))
+                {
+                    if (string.Equals(attributeName, "xmlns", StringComparison.OrdinalIgnoreCase)
+                        || string.Equals(attributeName, "xlink", StringComparison.OrdinalIgnoreCase)
+                        || string.Equals(attributeName, "xmlns:xlink", StringComparison.OrdinalIgnoreCase)
+                        || string.Equals(attributeName, "version", StringComparison.OrdinalIgnoreCase))
+                    {
+                        //nothing to do
+                    }
+                    else
+                    {
+                        //attribute is not a svg attribute, store it in custom attributes
+                        element.CustomAttributes[attributeName] = attributeValue;
+                    }
+                }
+                else
                 {
                     //attribute is not a svg attribute, store it in custom attributes
                     element.CustomAttributes[attributeName] = attributeValue;
                 }
             }
+        }
 
         /// <summary>
         /// Contains information about a type inheriting from <see cref="SvgElement"/>.