Index: tree.c
===================================================================
--- tree.c	(revision 3803)
+++ tree.c	(working copy)
@@ -3367,6 +3367,199 @@ xmlGetLastChild(xmlNodePtr parent) {
     return(parent->last);
 }
 
+#ifdef LIBXML_TREE_ENABLED
+/*
+ * 5 interfaces from DOM ElementTraversal
+ */
+
+/**
+ * xmlChildElementCount:
+ * @parent: the parent node
+ *
+ * Finds the current number of child nodes of that element which are
+ * element nodes.
+ * Note the handling of entities references is different than in
+ * the W3C DOM element traversal spec since we don't have back reference
+ * from entities content to entities references.
+ *
+ * Returns the count of element child or 0 if not available
+ */
+unsigned long
+xmlChildElementCount(xmlNodePtr parent) {
+    unsigned long ret = 0;
+    xmlNodePtr cur = NULL;
+
+    if (parent == NULL)
+        return(0);
+    switch (parent->type) {
+        case XML_ELEMENT_NODE:
+        case XML_ENTITY_NODE:
+        case XML_DOCUMENT_NODE:
+        case XML_HTML_DOCUMENT_NODE:
+            cur = parent->children;
+            break;
+        default:
+            return(0);
+    }
+    while (cur != NULL) {
+        if (cur->type == XML_ELEMENT_NODE)
+            ret++;
+        cur = cur->next;
+    }
+    return(ret);
+}
+
+/**
+ * xmlFirstElementChild:
+ * @parent: the parent node
+ *
+ * Finds the first child node of that element which is a Element node
+ * Note the handling of entities references is different than in
+ * the W3C DOM element traversal spec since we don't have back reference
+ * from entities content to entities references.
+ *
+ * Returns the first element child or NULL if not available
+ */
+xmlNodePtr
+xmlFirstElementChild(xmlNodePtr parent) {
+    xmlNodePtr cur = NULL;
+
+    if (parent == NULL)
+        return(NULL);
+    switch (parent->type) {
+        case XML_ELEMENT_NODE:
+        case XML_ENTITY_NODE:
+        case XML_DOCUMENT_NODE:
+        case XML_HTML_DOCUMENT_NODE:
+            cur = parent->children;
+            break;
+        default:
+            return(NULL);
+    }
+    while (cur != NULL) {
+        if (cur->type == XML_ELEMENT_NODE)
+            return(cur);
+        cur = cur->next;
+    }
+    return(NULL);
+}
+
+/**
+ * xmlLastElementChild:
+ * @parent: the parent node
+ *
+ * Finds the last child node of that element which is a Element node
+ * Note the handling of entities references is different than in
+ * the W3C DOM element traversal spec since we don't have back reference
+ * from entities content to entities references.
+ *
+ * Returns the last element child or NULL if not available
+ */
+xmlNodePtr
+xmlLastElementChild(xmlNodePtr parent) {
+    xmlNodePtr cur = NULL;
+
+    if (parent == NULL)
+        return(NULL);
+    switch (parent->type) {
+        case XML_ELEMENT_NODE:
+        case XML_ENTITY_NODE:
+        case XML_DOCUMENT_NODE:
+        case XML_HTML_DOCUMENT_NODE:
+            cur = parent->last;
+            break;
+        default:
+            return(NULL);
+    }
+    while (cur != NULL) {
+        if (cur->type == XML_ELEMENT_NODE)
+            return(cur);
+        cur = cur->prev;
+    }
+    return(NULL);
+}
+
+/**
+ * xmlPreviousElementSibling:
+ * @node: the current node
+ *
+ * Finds the first closest previous sibling of the node which is an
+ * element node.
+ * Note the handling of entities references is different than in
+ * the W3C DOM element traversal spec since we don't have back reference
+ * from entities content to entities references.
+ *
+ * Returns the previous element sibling or NULL if not available
+ */
+xmlNodePtr
+xmlPreviousElementSibling(xmlNodePtr node) {
+    if (node == NULL)
+        return(NULL);
+    switch (node->type) {
+        case XML_ELEMENT_NODE:
+        case XML_TEXT_NODE:
+        case XML_CDATA_SECTION_NODE:
+        case XML_ENTITY_REF_NODE:
+        case XML_ENTITY_NODE:
+        case XML_PI_NODE:
+        case XML_COMMENT_NODE:
+        case XML_XINCLUDE_START:
+        case XML_XINCLUDE_END:
+            node = node->prev;
+            break;
+        default:
+            return(NULL);
+    }
+    while (node != NULL) {
+        if (node->type == XML_ELEMENT_NODE)
+            return(node);
+        node = node->next;
+    }
+    return(NULL);
+}
+
+/**
+ * xmlNextElementSibling:
+ * @node: the current node
+ *
+ * Finds the first closest next sibling of the node which is an
+ * element node.
+ * Note the handling of entities references is different than in
+ * the W3C DOM element traversal spec since we don't have back reference
+ * from entities content to entities references.
+ *
+ * Returns the next element sibling or NULL if not available
+ */
+xmlNodePtr
+xmlNextElementSibling(xmlNodePtr node) {
+    if (node == NULL)
+        return(NULL);
+    switch (node->type) {
+        case XML_ELEMENT_NODE:
+        case XML_TEXT_NODE:
+        case XML_CDATA_SECTION_NODE:
+        case XML_ENTITY_REF_NODE:
+        case XML_ENTITY_NODE:
+        case XML_PI_NODE:
+        case XML_COMMENT_NODE:
+        case XML_DTD_NODE:
+        case XML_XINCLUDE_START:
+        case XML_XINCLUDE_END:
+            node = node->next;
+            break;
+        default:
+            return(NULL);
+    }
+    while (node != NULL) {
+        if (node->type == XML_ELEMENT_NODE)
+            return(node);
+        node = node->next;
+    }
+    return(NULL);
+}
+
+#endif /* LIBXML_TREE_ENABLED */
+
 /**
  * xmlFreeNodeList:
  * @cur:  the first node in the list
Index: include/libxml/tree.h
===================================================================
--- include/libxml/tree.h	(revision 3803)
+++ include/libxml/tree.h	(working copy)
@@ -1225,6 +1225,22 @@ XMLPUBFUN int XMLCALL
 					 int deep,
 					 int options);
 
+#ifdef LIBXML_TREE_ENABLED
+/*
+ * 5 interfaces from DOM ElementTraversal, but different in entities
+ * traversal.
+ */
+XMLPUBFUN unsigned long XMLCALL
+            xmlChildElementCount        (xmlNodePtr parent);
+XMLPUBFUN xmlNodePtr XMLCALL
+            xmlNextElementSibling       (xmlNodePtr node);
+XMLPUBFUN xmlNodePtr XMLCALL
+            xmlFirstElementChild        (xmlNodePtr parent);
+XMLPUBFUN xmlNodePtr XMLCALL
+            xmlLastElementChild         (xmlNodePtr parent);
+XMLPUBFUN xmlNodePtr XMLCALL
+            xmlPreviousElementSibling   (xmlNodePtr node);
+#endif
 #ifdef __cplusplus
 }
 #endif
Index: python/generator.py
===================================================================
--- python/generator.py	(revision 3803)
+++ python/generator.py	(working copy)
@@ -725,6 +725,10 @@ functions_noexcept = {
     "xmlDocSetRootElement": 1,
     "xmlNodeGetNs": 1,
     "xmlNodeGetNsDefs": 1,
+    "xmlNextElementSibling": 1,
+    "xmlPreviousElementSibling": 1,
+    "xmlFirstElementChild": 1,
+    "xmlLastElementChild": 1,
 }
 
 reference_keepers = {