* Fix spring-integration-xml.xsd for duplicates

Author: artembilan

spring-integration-xml/src/main/resources/org/springframework/integration/xml/config/spring-integration-xml.xsd

@@ -1,4 +1,3 @@
-
 <?xml version="1.0" encoding="UTF-8"?>
 <xsd:schema xmlns="http://www.springframework.org/schema/integration/xml"
 			xmlns:xsd="http://www.w3.org/2001/XMLSchema"
@@ -493,7 +492,7 @@
 						<xsd:documentation><![CDATA[
 						By default XPath expressions are evaluated as NODESET type and then converted
 						to a List of channel names, thus handling single channel scenarios as well as multiple.
-						However certain XPath expressions may evaluate to String type results from the very
+						However, certain XPath expressions may evaluate to String type results from the very
 						beginning (e.g., 'name(./node())' - which will return the name of the root node) thus resulting in
 						an exception if the default evaluation type (NODESET) is used.
 
@@ -506,7 +505,7 @@
 						<xsd:union memberTypes="xsd:boolean xsd:string"/>
 					</xsd:simpleType>
 				</xsd:attribute>
-				<xsd:attribute name="xpath-expression-ref" type="xsd:string" use="optional">
+				<xsd:attribute name="xpath-expression-ref" type="xsd:string">
 					<xsd:annotation>
 						<xsd:documentation>
 							Reference to the XPathExpression instance to be
@@ -535,13 +534,13 @@
 							<xsd:documentation><![CDATA[
 								Internally XPath expressions will be evaluated as
 								NODESET type and converted to a List<String>
-								representing channel names. Typically such a list
+								representing channel names. Typically, such a list
 								will contain a single channel name. However,
 								based on the results of an XPath Expression, the
 								XPath router can also take on the characteristics
 								of a Recipient List Router if the XPath Expression
-								returns more then one value. In that case, the
-								List<String> will contain more then one channel
+								returns more than one value. In that case, the
+								List<String> will contain more than one channel
 								name and consequently Messages will be sent to
 								all channels in the list.
 							]]></xsd:documentation>
@@ -588,14 +587,6 @@
 						</xsd:appinfo>
 					</xsd:annotation>
 				</xsd:attribute>
-				<xsd:attribute name="order" type="xsd:string">
-					<xsd:annotation>
-						<xsd:documentation>
-							The order for dispatching when this router is connected
-							as a subscriber to a 'SubscribableChannel'.
-						</xsd:documentation>
-					</xsd:annotation>
-				</xsd:attribute>
 			</xsd:extension>
 		</xsd:complexContent>
 	</xsd:complexType>