Bug 1155 - Allow to give alias-names for

fesaProperties/Value-Items/Fields
- added unique-rule for field/Propnames

silecs-model/src/xml/DesignSchema.xsd

@@ -156,14 +156,22 @@ along with this program.  If not, see http://www.gnu.org/licenses/.-->
 							</xs:simpleType>
 						</xs:attribute>
 					</xs:complexType>
-					<xs:unique name="Register-name-per-class">
+					<xs:unique name="Register-name-has-to-be-unique-per-class">
 						<xs:selector xpath="Block/Register"/>
 						<xs:field xpath="@name"/>
 					</xs:unique>
-					<xs:unique name="Block-name-per-class">
+					<xs:unique name="Block-name-has-to-be-unique-per-class">
 						<xs:selector xpath="Block"/>
 						<xs:field xpath="@name"/>
 					</xs:unique>
+					<xs:unique name="Property-name-has-to-be-unique-per-class">
+                        <xs:selector xpath="Block"/>
+                        <xs:field xpath="@fesaPropertyName"/>
+                    </xs:unique>
+                    <xs:unique name="Field-name-has-to-be-unique-per-class">
+                        <xs:selector xpath="Block/Register"/>
+                        <xs:field xpath="@fesaFieldName"/>
+                    </xs:unique>
 				</xs:element>
 			</xs:sequence>
 			<xs:attribute name="silecs-version" type="VersionType" use="required"/>