wiki/NaturalDocs says we should be using 'Return:' and not 'Returns:' so this patch is fixing that. Of course, in the process, I came across not a few instances where other ND related whitespace or typos were at odds with a peaceful, uniform OL codebase. No functional changes here, just makin' things pretty.

git-svn-id: http://svn.openlayers.org/trunk/openlayers@4109 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format/XML.js

@@ -53,7 +53,7 @@ OpenLayers.Format.XML.prototype =
      * Parameters:
      * text - {String} A XML string
      
-     * Returns:
+     * Return:
      * {DOMElement} A DOM node
      */
     read: function(text) {
@@ -101,7 +101,7 @@ OpenLayers.Format.XML.prototype =
      * Parameters:
      * node - {DOMElement} A DOM node.
      *
-     * Returns:
+     * Return:
      * {String} The XML string representation of the input node.
      */
     write: function(node) {
@@ -126,7 +126,7 @@ OpenLayers.Format.XML.prototype =
      * uri - {String} Namespace URI for the element.
      * name - {String} The qualified name of the element (prefix:localname).
      * 
-     * Returns:
+     * Return:
      * {Element} A DOM element with namespace.
      */
     createElementNS: function(uri, name) {
@@ -148,7 +148,7 @@ OpenLayers.Format.XML.prototype =
      * Parameters:
      * text - {String} The text of the node.
      * 
-     * Returns: 
+     * Return: 
      * {DOMElement} A DOM text node.
      */
     createTextNode: function(text) {
@@ -173,7 +173,7 @@ OpenLayers.Format.XML.prototype =
      * uri - {String} Namespace URI.
      * name - {String} Local name of the tag (without the prefix).
      * 
-     * Returns:
+     * Return:
      * {NodeList} A node list or array of elements.
      */
     getElementsByTagNameNS: function(node, uri, name) {
@@ -207,7 +207,7 @@ OpenLayers.Format.XML.prototype =
      * uri - {String} Namespace URI.
      * name - {String} Local name of the attribute (without the prefix).
      * 
-     * Returns:
+     * Return:
      * {DOMElement} An attribute node or null if none found.
      */
     getAttributeNodeNS: function(node, uri, name) {
@@ -241,7 +241,7 @@ OpenLayers.Format.XML.prototype =
      * uri - {String} Namespace URI.
      * name - {String} Local name of the attribute (without the prefix).
      * 
-     * Returns:
+     * Return:
      * {String} An attribute value or and empty string if none found.
      */
     getAttributeNS: function(node, uri, name) {
@@ -267,7 +267,7 @@ OpenLayers.Format.XML.prototype =
      * uri - {String} Namespace URI.
      * name - {String} Local name of the attribute (without the prefix).
      * 
-     * Returns:
+     * Return:
      * {Boolean} The node has an attribute matching the name and namespace.
      */
     hasAttributeNS: function(node, uri, name) {