diff --git a/src/document/dom/node.c b/src/document/dom/node.c
index 121b6b4a..6a8987e7 100644
--- a/src/document/dom/node.c
+++ b/src/document/dom/node.c
@@ -134,8 +134,8 @@ struct dom_node_search {
 #define INIT_DOM_NODE_SEARCH(key, list) \
 	{ (key), -1, 0, (list)->size, }
 
-static inline int
-dom_node_cmp(struct dom_node *node1, struct dom_node *node2)
+int
+dom_node_casecmp(struct dom_node *node1, struct dom_node *node2)
 {
 	if (node1->type == node2->type) {
 		switch (node1->type) {
@@ -176,7 +176,7 @@ dom_node_list_bsearch(struct dom_node_search *search, struct dom_node_list *list
 	do {
 		int pos = get_bsearch_position(list, search->from, search->to);
 		struct dom_node *node = list->entries[pos];
-		int difference = dom_node_cmp(search->key, node);
+		int difference = dom_node_casecmp(search->key, node);
 
 		search->pos = pos;
 
diff --git a/src/document/dom/node.h b/src/document/dom/node.h
index 10a70381..b52190db 100644
--- a/src/document/dom/node.h
+++ b/src/document/dom/node.h
@@ -286,6 +286,9 @@ add_dom_proc_instruction(struct dom_node *parent, unsigned char *string, int len
 /* Removes the node and all its children and free()s itself */
 void done_dom_node(struct dom_node *node);
 
+/* Compare two nodes returning non-zero if they differ. */
+int dom_node_casecmp(struct dom_node *node1, struct dom_node *node2);
+
 /* Returns the name of the node in an allocated string. */
 struct dom_string *get_dom_node_name(struct dom_node *node);