From c6539c9f45372fb6518bff17a781effd654bd3f0 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 24 Dec 2010 12:41:29 +0000
Subject: xorg-server libx11 libxcb git update 24/12/2010

---
 libxcb/xcb-proto/src/xcb.xsd | 627 ++++++++++++++++++++++---------------------
 1 file changed, 314 insertions(+), 313 deletions(-)

(limited to 'libxcb/xcb-proto/src/xcb.xsd')

diff --git a/libxcb/xcb-proto/src/xcb.xsd b/libxcb/xcb-proto/src/xcb.xsd
index 5169b4809..89e27846f 100644
--- a/libxcb/xcb-proto/src/xcb.xsd
+++ b/libxcb/xcb-proto/src/xcb.xsd
@@ -1,313 +1,314 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-Copyright (C) 2004 Josh Triplett.  All Rights Reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
-ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the names of the authors or their
-institutions shall not be used in advertising or otherwise to promote the
-sale, use or other dealings in this Software without prior written
-authorization from the authors.
--->
-<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-
-  <!-- The root element -->
-  <xsd:element name="xcb">
-    <xsd:complexType>
-      <xsd:group ref="macro" minOccurs="0" maxOccurs="unbounded" />
-      <xsd:attribute name="header" type="xsd:string" use="required" />
-      <xsd:attribute name="extension-xname" type="xsd:string" use="optional" />
-      <xsd:attribute name="extension-name"  type="xsd:string" use="optional" />
-      <xsd:attribute name="extension-multiword" type="xsd:boolean" use="optional" default="false" />
-      <xsd:attribute name="major-version"   type="xsd:integer" use="optional" />
-      <xsd:attribute name="minor-version"   type="xsd:integer" use="optional" />
-    </xsd:complexType>
-  </xsd:element>
-
-  <!-- Padding -->
-  <xsd:element name="pad">
-    <xsd:complexType>
-      <xsd:attribute name="bytes" type="xsd:integer" use="required" />
-    </xsd:complexType>
-  </xsd:element>
-
-  <!-- Type for fields or parameters with attributes "name" and "type" -->
-  <xsd:complexType name="var">
-    <xsd:attribute name="name" type="xsd:string" use="required" />
-    <xsd:attribute name="type" type="xsd:string" use="required" />
-    <xsd:attribute name="enum" type="xsd:string" use="optional" />
-    <xsd:attribute name="altenum" type="xsd:string" use="optional" />
-    <xsd:attribute name="mask" type="xsd:string" use="optional" />
-  </xsd:complexType>
-
-  <!-- case expression -->
-  <xsd:complexType name="caseexpr">
-    <xsd:sequence>
-      <!-- case expression: -->
-      <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
-      <!-- match -->
-      <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
-      <xsd:choice>
-        <xsd:element ref="switch" minOccurs="0" maxOccurs="unbounded" />
-      </xsd:choice>
-    </xsd:sequence>
-  </xsd:complexType>
-
-  <!-- switch expression -->
-  <xsd:complexType name="switchexpr">
-    <xsd:sequence>
-      <!-- switch(expression) -->
-      <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
-      <xsd:choice>
-        <!-- bitcase expression - bit test -->
-        <xsd:element name="bitcase" type="caseexpr" minOccurs="1" maxOccurs="unbounded" />
-      </xsd:choice>
-      <!-- default: -->
-      <xsd:group ref="fields" minOccurs="0" maxOccurs="1" />
-    </xsd:sequence>
-    <xsd:attribute name="name" type="xsd:string" use="required" />
-  </xsd:complexType>
-
-  <xsd:element name="switch" type="switchexpr" />
-
-  <!-- field replaces FIELD, PARAM, and REPLY. -->
-  <xsd:element name="field" type="var" />
-
-  <!-- list replaces ARRAYFIELD, LISTPARAM, and ARRAYREPLY.  The name and type
-       are specified as attributes.  The content is an expression giving the
-       length. -->
-  <xsd:element name="list">
-    <xsd:complexType>
-      <xsd:complexContent>
-        <xsd:extension base="var">
-          <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
-        </xsd:extension>
-      </xsd:complexContent>
-    </xsd:complexType>
-  </xsd:element>
-
-  <!-- Expressions -->
-  <xsd:group name="expression">
-    <xsd:choice>
-      <xsd:element name="op">
-        <xsd:complexType>
-          <xsd:sequence>
-            <xsd:group ref="expression" />
-            <xsd:group ref="expression" />
-          </xsd:sequence>
-          <xsd:attribute name="op" use="required">
-            <xsd:simpleType>
-              <xsd:restriction base="xsd:string">
-                <xsd:pattern value="\+|-|\*|/|&amp;|&lt;&lt;" />
-              </xsd:restriction>
-            </xsd:simpleType>
-          </xsd:attribute>
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="unop">
-         <xsd:complexType>
-            <xsd:sequence>
-              <xsd:group ref="expression" />
-            </xsd:sequence>
-            <xsd:attribute name="op" use="required">
-              <xsd:simpleType>
-                <xsd:restriction base="xsd:string">
-                  <xsd:pattern value="~" />
-                </xsd:restriction>
-              </xsd:simpleType>
-            </xsd:attribute>
-         </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="fieldref" type="xsd:string" />
-      <xsd:element name="enumref">
-        <xsd:complexType>
-          <xsd:simpleContent>
-            <xsd:extension base="xsd:string">
-              <xsd:attribute name="ref" use="required" type="xsd:string" />
-            </xsd:extension>
-          </xsd:simpleContent>
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="popcount">
-        <xsd:complexType>
-          <xsd:group ref="expression" />
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="sumof">
-        <xsd:complexType>
-          <xsd:attribute name="ref" use="required" type="xsd:string" />
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="value" type="dec-or-hex-integer" />
-      <xsd:element name="bit" type="xsd:integer" />
-    </xsd:choice>
-  </xsd:group>
-  
-  <!-- Fields in requests that are calculated from other information, not
-       supplied by the caller. -->
-  <xsd:element name="exprfield" >
-    <xsd:complexType>
-      <xsd:complexContent>
-        <xsd:extension base="var">
-          <xsd:group ref="expression" />
-        </xsd:extension>
-      </xsd:complexContent>
-    </xsd:complexType>
-  </xsd:element>
-
-  <!-- BITMASK/LISTofVALUE parameter pairs. -->
-  <xsd:element name="valueparam">
-    <xsd:complexType>
-      <xsd:attribute name="value-mask-type" type="xsd:string" use="required" />
-      <xsd:attribute name="value-mask-name" type="xsd:string" use="required" />
-      <xsd:attribute name="value-list-name" type="xsd:string" use="required" />
-    </xsd:complexType>
-  </xsd:element>
-
-  <xsd:group name="fields">
-    <xsd:choice>
-      <xsd:element ref="pad" />
-      <xsd:element ref="field" />
-      <xsd:element ref="list" />
-    </xsd:choice>
-  </xsd:group>
-
-  <!-- Type for a structure -->
-  <xsd:complexType name="struct">
-    <xsd:sequence>
-      <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
-      <xsd:choice minOccurs="0" maxOccurs="1">
-        <xsd:element ref="switch" />
-      </xsd:choice>
-    </xsd:sequence>
-    <xsd:attribute name="name" type="xsd:string" use="required" />
-  </xsd:complexType>
-
-  <!-- Type for a packet structure -->
-  <xsd:complexType name="packet-struct">
-    <xsd:group ref="fields" minOccurs="0" maxOccurs="unbounded" />
-    <xsd:attribute name="name" type="xsd:string" use="required" />
-    <xsd:attribute name="number" type="xsd:integer" use="required" />
-  </xsd:complexType>
-
-  <!-- Type for a packet structure copy -->
-  <xsd:complexType name="packet-struct-copy">
-    <xsd:attribute name="name" type="xsd:string" use="required" />
-    <xsd:attribute name="number" type="xsd:integer" use="required" />
-    <xsd:attribute name="ref" type="xsd:string" use="required" />
-  </xsd:complexType>
-
-  <!-- Type for hex integers -->
-  <xsd:simpleType name="hex-integer">
-    <xsd:restriction base="xsd:string">
-      <xsd:pattern value="0x[0-9a-fA-F]+" />
-    </xsd:restriction>
-  </xsd:simpleType>
-
-  <!-- Type for integers in either decimal or hex -->
-  <xsd:simpleType name="dec-or-hex-integer">
-    <xsd:union memberTypes="xsd:integer hex-integer" />
-  </xsd:simpleType>
-
-  <xsd:group name="macro">
-    <xsd:choice>
-      <xsd:element name="request">
-        <xsd:complexType>
-          <xsd:sequence>
-            <xsd:choice minOccurs="0" maxOccurs="unbounded">
-              <xsd:group ref="fields" />
-              <xsd:element ref="exprfield" />
-              <xsd:element ref="valueparam" />
-            </xsd:choice>
-            <xsd:choice minOccurs="0" maxOccurs="1">
-              <xsd:element ref="switch" />
-            </xsd:choice>
-            <xsd:element name="reply" minOccurs="0" maxOccurs="1">
-              <xsd:complexType>
-                <xsd:sequence>
-                  <xsd:choice minOccurs="1" maxOccurs="unbounded">
-                    <xsd:group ref="fields" />
-                    <xsd:element ref="valueparam" />
-                  </xsd:choice>
-                  <xsd:choice minOccurs="0" maxOccurs="1">
-                    <xsd:element ref="switch" />
-                  </xsd:choice>
-                </xsd:sequence>
-              </xsd:complexType>
-            </xsd:element>
-          </xsd:sequence>
-          <xsd:attribute name="name" type="xsd:string" use="required" />
-          <xsd:attribute name="opcode" type="xsd:integer" use="required" />
-          <xsd:attribute name="combine-adjacent" type="xsd:boolean"
-                         use="optional"/>
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="event">
-        <xsd:complexType>
-          <xsd:complexContent>
-            <xsd:extension base="packet-struct">
-              <xsd:attribute name="no-sequence-number" type="xsd:boolean"
-                             use="optional" />
-            </xsd:extension>
-          </xsd:complexContent>
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="eventcopy" type="packet-struct-copy" />
-      <xsd:element name="error" type="packet-struct" />
-      <xsd:element name="errorcopy" type="packet-struct-copy" />
-      <xsd:element name="struct" type="struct" />
-      <xsd:element name="union" type="struct" />
-      <xsd:element name="xidtype">
-        <xsd:complexType>
-          <xsd:attribute name="name" type="xsd:string" use="required" />
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="xidunion">
-        <xsd:complexType>
-          <xsd:sequence>
-            <xsd:element name="type" type="xsd:string"
-                         minOccurs="1" maxOccurs="unbounded" />
-          </xsd:sequence>
-          <xsd:attribute name="name" type="xsd:string" use="required" />
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="enum">
-        <xsd:complexType>
-          <xsd:sequence minOccurs="1" maxOccurs="unbounded">
-            <xsd:element name="item">
-              <xsd:complexType>
-                <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
-                <xsd:attribute name="name" type="xsd:string" use="required" />
-              </xsd:complexType>
-            </xsd:element>
-          </xsd:sequence>
-          <xsd:attribute name="name" type="xsd:string" use="required" />
-        </xsd:complexType>
-      </xsd:element>
-      <xsd:element name="typedef">
-        <xsd:complexType>
-          <xsd:attribute name="oldname" type="xsd:string" use="required" />
-          <xsd:attribute name="newname" type="xsd:string" use="required" />
-        </xsd:complexType>
-      </xsd:element>
-      <!-- The import element allows a protocol description to reference the
-           declarations of another protocol description. -->
-      <xsd:element name="import" type="xsd:string" />
-    </xsd:choice>
-  </xsd:group>
-</xsd:schema>
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright (C) 2004 Josh Triplett.  All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the names of the authors or their
+institutions shall not be used in advertising or otherwise to promote the
+sale, use or other dealings in this Software without prior written
+authorization from the authors.
+-->
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+
+  <!-- The root element -->
+  <xsd:element name="xcb">
+    <xsd:complexType>
+      <xsd:group ref="macro" minOccurs="0" maxOccurs="unbounded" />
+      <xsd:attribute name="header" type="xsd:string" use="required" />
+      <xsd:attribute name="extension-xname" type="xsd:string" use="optional" />
+      <xsd:attribute name="extension-name"  type="xsd:string" use="optional" />
+      <xsd:attribute name="extension-multiword" type="xsd:boolean" use="optional" default="false" />
+      <xsd:attribute name="major-version"   type="xsd:integer" use="optional" />
+      <xsd:attribute name="minor-version"   type="xsd:integer" use="optional" />
+    </xsd:complexType>
+  </xsd:element>
+
+  <!-- Padding -->
+  <xsd:element name="pad">
+    <xsd:complexType>
+      <xsd:attribute name="bytes" type="xsd:integer" use="required" />
+    </xsd:complexType>
+  </xsd:element>
+
+  <!-- Type for fields or parameters with attributes "name" and "type" -->
+  <xsd:complexType name="var">
+    <xsd:attribute name="name" type="xsd:string" use="required" />
+    <xsd:attribute name="type" type="xsd:string" use="required" />
+    <xsd:attribute name="enum" type="xsd:string" use="optional" />
+    <xsd:attribute name="altenum" type="xsd:string" use="optional" />
+    <xsd:attribute name="mask" type="xsd:string" use="optional" />
+  </xsd:complexType>
+
+  <!-- case expression -->
+  <xsd:complexType name="caseexpr">
+    <xsd:sequence>
+      <!-- case expression: -->
+      <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
+      <!-- match -->
+      <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
+      <xsd:choice>
+        <xsd:element ref="switch" minOccurs="0" maxOccurs="unbounded" />
+      </xsd:choice>
+    </xsd:sequence>
+    <xsd:attribute name="name" type="xsd:string" use="optional" />
+  </xsd:complexType>
+
+  <!-- switch expression -->
+  <xsd:complexType name="switchexpr">
+    <xsd:sequence>
+      <!-- switch(expression) -->
+      <xsd:group ref="expression" minOccurs="1" maxOccurs="1" />
+      <xsd:choice>
+        <!-- bitcase expression - bit test -->
+        <xsd:element name="bitcase" type="caseexpr" minOccurs="1" maxOccurs="unbounded" />
+      </xsd:choice>
+      <!-- default: -->
+      <xsd:group ref="fields" minOccurs="0" maxOccurs="1" />
+    </xsd:sequence>
+    <xsd:attribute name="name" type="xsd:string" use="required" />
+  </xsd:complexType>
+
+  <xsd:element name="switch" type="switchexpr" />
+
+  <!-- field replaces FIELD, PARAM, and REPLY. -->
+  <xsd:element name="field" type="var" />
+
+  <!-- list replaces ARRAYFIELD, LISTPARAM, and ARRAYREPLY.  The name and type
+       are specified as attributes.  The content is an expression giving the
+       length. -->
+  <xsd:element name="list">
+    <xsd:complexType>
+      <xsd:complexContent>
+        <xsd:extension base="var">
+          <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
+        </xsd:extension>
+      </xsd:complexContent>
+    </xsd:complexType>
+  </xsd:element>
+
+  <!-- Expressions -->
+  <xsd:group name="expression">
+    <xsd:choice>
+      <xsd:element name="op">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:group ref="expression" />
+            <xsd:group ref="expression" />
+          </xsd:sequence>
+          <xsd:attribute name="op" use="required">
+            <xsd:simpleType>
+              <xsd:restriction base="xsd:string">
+                <xsd:pattern value="\+|-|\*|/|&amp;|&lt;&lt;" />
+              </xsd:restriction>
+            </xsd:simpleType>
+          </xsd:attribute>
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="unop">
+         <xsd:complexType>
+            <xsd:sequence>
+              <xsd:group ref="expression" />
+            </xsd:sequence>
+            <xsd:attribute name="op" use="required">
+              <xsd:simpleType>
+                <xsd:restriction base="xsd:string">
+                  <xsd:pattern value="~" />
+                </xsd:restriction>
+              </xsd:simpleType>
+            </xsd:attribute>
+         </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="fieldref" type="xsd:string" />
+      <xsd:element name="enumref">
+        <xsd:complexType>
+          <xsd:simpleContent>
+            <xsd:extension base="xsd:string">
+              <xsd:attribute name="ref" use="required" type="xsd:string" />
+            </xsd:extension>
+          </xsd:simpleContent>
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="popcount">
+        <xsd:complexType>
+          <xsd:group ref="expression" />
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="sumof">
+        <xsd:complexType>
+          <xsd:attribute name="ref" use="required" type="xsd:string" />
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="value" type="dec-or-hex-integer" />
+      <xsd:element name="bit" type="xsd:integer" />
+    </xsd:choice>
+  </xsd:group>
+  
+  <!-- Fields in requests that are calculated from other information, not
+       supplied by the caller. -->
+  <xsd:element name="exprfield" >
+    <xsd:complexType>
+      <xsd:complexContent>
+        <xsd:extension base="var">
+          <xsd:group ref="expression" />
+        </xsd:extension>
+      </xsd:complexContent>
+    </xsd:complexType>
+  </xsd:element>
+
+  <!-- BITMASK/LISTofVALUE parameter pairs. -->
+  <xsd:element name="valueparam">
+    <xsd:complexType>
+      <xsd:attribute name="value-mask-type" type="xsd:string" use="required" />
+      <xsd:attribute name="value-mask-name" type="xsd:string" use="required" />
+      <xsd:attribute name="value-list-name" type="xsd:string" use="required" />
+    </xsd:complexType>
+  </xsd:element>
+
+  <xsd:group name="fields">
+    <xsd:choice>
+      <xsd:element ref="pad" />
+      <xsd:element ref="field" />
+      <xsd:element ref="list" />
+    </xsd:choice>
+  </xsd:group>
+
+  <!-- Type for a structure -->
+  <xsd:complexType name="struct">
+    <xsd:sequence>
+      <xsd:group ref="fields" minOccurs="1" maxOccurs="unbounded" />
+      <xsd:choice minOccurs="0" maxOccurs="1">
+        <xsd:element ref="switch" />
+      </xsd:choice>
+    </xsd:sequence>
+    <xsd:attribute name="name" type="xsd:string" use="required" />
+  </xsd:complexType>
+
+  <!-- Type for a packet structure -->
+  <xsd:complexType name="packet-struct">
+    <xsd:group ref="fields" minOccurs="0" maxOccurs="unbounded" />
+    <xsd:attribute name="name" type="xsd:string" use="required" />
+    <xsd:attribute name="number" type="xsd:integer" use="required" />
+  </xsd:complexType>
+
+  <!-- Type for a packet structure copy -->
+  <xsd:complexType name="packet-struct-copy">
+    <xsd:attribute name="name" type="xsd:string" use="required" />
+    <xsd:attribute name="number" type="xsd:integer" use="required" />
+    <xsd:attribute name="ref" type="xsd:string" use="required" />
+  </xsd:complexType>
+
+  <!-- Type for hex integers -->
+  <xsd:simpleType name="hex-integer">
+    <xsd:restriction base="xsd:string">
+      <xsd:pattern value="0x[0-9a-fA-F]+" />
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <!-- Type for integers in either decimal or hex -->
+  <xsd:simpleType name="dec-or-hex-integer">
+    <xsd:union memberTypes="xsd:integer hex-integer" />
+  </xsd:simpleType>
+
+  <xsd:group name="macro">
+    <xsd:choice>
+      <xsd:element name="request">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:choice minOccurs="0" maxOccurs="unbounded">
+              <xsd:group ref="fields" />
+              <xsd:element ref="exprfield" />
+              <xsd:element ref="valueparam" />
+            </xsd:choice>
+            <xsd:choice minOccurs="0" maxOccurs="1">
+              <xsd:element ref="switch" />
+            </xsd:choice>
+            <xsd:element name="reply" minOccurs="0" maxOccurs="1">
+              <xsd:complexType>
+                <xsd:sequence>
+                  <xsd:choice minOccurs="1" maxOccurs="unbounded">
+                    <xsd:group ref="fields" />
+                    <xsd:element ref="valueparam" />
+                  </xsd:choice>
+                  <xsd:choice minOccurs="0" maxOccurs="1">
+                    <xsd:element ref="switch" />
+                  </xsd:choice>
+                </xsd:sequence>
+              </xsd:complexType>
+            </xsd:element>
+          </xsd:sequence>
+          <xsd:attribute name="name" type="xsd:string" use="required" />
+          <xsd:attribute name="opcode" type="xsd:integer" use="required" />
+          <xsd:attribute name="combine-adjacent" type="xsd:boolean"
+                         use="optional"/>
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="event">
+        <xsd:complexType>
+          <xsd:complexContent>
+            <xsd:extension base="packet-struct">
+              <xsd:attribute name="no-sequence-number" type="xsd:boolean"
+                             use="optional" />
+            </xsd:extension>
+          </xsd:complexContent>
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="eventcopy" type="packet-struct-copy" />
+      <xsd:element name="error" type="packet-struct" />
+      <xsd:element name="errorcopy" type="packet-struct-copy" />
+      <xsd:element name="struct" type="struct" />
+      <xsd:element name="union" type="struct" />
+      <xsd:element name="xidtype">
+        <xsd:complexType>
+          <xsd:attribute name="name" type="xsd:string" use="required" />
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="xidunion">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:element name="type" type="xsd:string"
+                         minOccurs="1" maxOccurs="unbounded" />
+          </xsd:sequence>
+          <xsd:attribute name="name" type="xsd:string" use="required" />
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="enum">
+        <xsd:complexType>
+          <xsd:sequence minOccurs="1" maxOccurs="unbounded">
+            <xsd:element name="item">
+              <xsd:complexType>
+                <xsd:group ref="expression" minOccurs="0" maxOccurs="1" />
+                <xsd:attribute name="name" type="xsd:string" use="required" />
+              </xsd:complexType>
+            </xsd:element>
+          </xsd:sequence>
+          <xsd:attribute name="name" type="xsd:string" use="required" />
+        </xsd:complexType>
+      </xsd:element>
+      <xsd:element name="typedef">
+        <xsd:complexType>
+          <xsd:attribute name="oldname" type="xsd:string" use="required" />
+          <xsd:attribute name="newname" type="xsd:string" use="required" />
+        </xsd:complexType>
+      </xsd:element>
+      <!-- The import element allows a protocol description to reference the
+           declarations of another protocol description. -->
+      <xsd:element name="import" type="xsd:string" />
+    </xsd:choice>
+  </xsd:group>
+</xsd:schema>
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