Implement namespace axis

Namespace nodes are represented as `#xmlNsNode` records.
Now that the namespace axis is correctly implemented, attributes nodes
corresponding to attributes that declare namespaces are ignored.

See [5.3 Attribute Nodes][xpath-5.3]:
> There are no attribute nodes corresponding to attributes
> that declare namespaces.

[xpath-5.3]: http://www.w3.org/TR/xpath/#attribute-nodes

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/xmerl/src/xmerl_xpath_pred.erl b/lib/xmerl/src/xmerl_xpath_pred.erl
index 9ad7925111..855b8599fe 100644
--- a/lib/xmerl/src/xmerl_xpath_pred.erl
+++ b/lib/xmerl/src/xmerl_xpath_pred.erl
@@ -337,6 +337,9 @@ local_name1([#xmlNode{type=element,node=El}|_]) ->
 local_name1([#xmlNode{type=attribute,node=Att}|_]) ->
     #xmlAttribute{name=Name,nsinfo=NSI} = Att,
     local_name2(Name,NSI);
+local_name1([#xmlNode{type=namespace,node=N}|_]) ->
+    #xmlNsNode{prefix=Prefix} = N,
+    ?string(Prefix);
 local_name1([#xmlElement{name = Name, nsinfo = NSI}|_]) ->
     local_name2(Name,NSI).
 local_name2(Name, NSI) ->
@@ -431,6 +434,9 @@ string_value(N=#xmlObj{}) ->
 string_value(A=#xmlNode{type=attribute}) ->
     #xmlAttribute{value=AttVal}=A#xmlNode.node,
     ?string(AttVal);
+string_value(N=#xmlNode{type=namespace}) ->
+    #xmlNsNode{uri=URI}=N#xmlNode.node,
+    ?string(atom_to_list(URI));
 string_value(El=#xmlNode{type=element}) ->
     #xmlElement{content=C} = El#xmlNode.node,
     TextValue = fun(#xmlText{value=T},_Fun) -> T;