Index: bin/xml-rpc.xsd
===================================================================
--- bin/xml-rpc.xsd	(revision 0)
+++ bin/xml-rpc.xsd	(revision 0)
@@ -0,0 +1,132 @@
+<?xml version="1.0"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+  <!-- The only two possible root elements are methodResponse and
+       methodCall so these are the only two I use a top-level
+       declaration for. --> 
+
+  <xsd:element name="methodCall">
+    <xsd:complexType>
+      <xsd:all>
+        <xsd:element name="methodName">
+          <xsd:simpleType>
+            <xsd:restriction base="ASCIIString">
+              <xsd:pattern value="([A-Za-z0-9]|/|\.|:|_)*" />
+            </xsd:restriction>
+          </xsd:simpleType>
+        </xsd:element>
+        <xsd:element name="params" minOccurs="0" maxOccurs="1">
+          <xsd:complexType>
+            <xsd:sequence>
+              <xsd:element name="param"  type="ParamType" 
+                           minOccurs="0" maxOccurs="unbounded"/>
+            </xsd:sequence>
+          </xsd:complexType>
+         </xsd:element>
+      </xsd:all>
+    </xsd:complexType>  
+  </xsd:element>
+
+  <xsd:element name="methodResponse">
+    <xsd:complexType>
+      <xsd:choice>
+        <xsd:element name="params">
+          <xsd:complexType>
+            <xsd:sequence>
+              <xsd:element name="param" type="ParamType"/>
+            </xsd:sequence>
+          </xsd:complexType>
+        </xsd:element>
+        <xsd:element name="fault">
+          <!-- What can appear inside a fault is very restricted -->
+          <xsd:complexType>
+            <xsd:sequence>
+              <xsd:element name="value">
+                <xsd:complexType>
+                  <xsd:sequence>
+                    <xsd:element name="struct"> 
+                      <xsd:complexType> 
+                        <xsd:sequence> 
+                          <xsd:element name="member" 
+                                       type="MemberType">
+                          </xsd:element>
+                          <xsd:element name="member" 
+                                       type="MemberType">
+                          </xsd:element>
+                        </xsd:sequence>
+                      </xsd:complexType>
+                    </xsd:element>
+                  </xsd:sequence>
+                </xsd:complexType>
+              </xsd:element>
+            </xsd:sequence>
+          </xsd:complexType>
+         </xsd:element>
+      </xsd:choice>
+    </xsd:complexType>  
+  </xsd:element>
+
+  <xsd:complexType name="ParamType">
+    <xsd:sequence>
+      <xsd:element name="value" type="ValueType"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="ValueType" mixed="true">
+    <!-- I need to figure out how to say that this
+         is either a simple xsd:string type or that 
+         it contains one of these elements; but that otherwise
+         it does not have mixed content -->
+    <xsd:choice>
+      <xsd:element name="i4"            type="xsd:int"/>
+      <xsd:element name="int"           type="xsd:int"/>
+      <xsd:element name="string"        type="ASCIIString"/>
+      <xsd:element name="double"        type="xsd:decimal"/>
+      <xsd:element name="Base64"        type="xsd:base64Binary"/>
+      <xsd:element name="boolean"       type="NumericBoolean"/>
+      <xsd:element name="dateTime.iso8601" type="xsd:dateTime"/>
+      <xsd:element name="array"         type="ArrayType"/>
+      <xsd:element name="struct"        type="StructType"/>
+    </xsd:choice>
+  </xsd:complexType>
+
+  <xsd:complexType name="StructType">
+    <xsd:sequence>
+      <xsd:element name="member" type="MemberType" 
+                   maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="MemberType">
+    <xsd:sequence>
+      <xsd:element name="name"  type="xsd:string" />
+      <xsd:element name="value" type="ValueType"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="ArrayType">
+    <xsd:sequence>
+      <xsd:element name="data">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:element name="value"  type="ValueType" 
+                         minOccurs="0" maxOccurs="unbounded"/>
+          </xsd:sequence>
+        </xsd:complexType>
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:simpleType name="ASCIIString">
+    <xsd:restriction base="xsd:string">
+      <xsd:pattern value="([ -~]|\n|\r|\t)*" />
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="NumericBoolean">
+    <xsd:restriction base="xsd:boolean">
+      <xsd:pattern value="0|1" />
+    </xsd:restriction>
+  </xsd:simpleType>
+
+</xsd:schema>
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