Replaced four crude stylesheets with one less crude one

diff --git a/docbook/relaxng/tools/classify.xsl b/docbook/relaxng/tools/classify.xsl
deleted file mode 100644 (file)
index 86e6df7..0000000
--- a/docbook/relaxng/tools/classify.xsl
+++ /dev/null
@@ -1,68 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:exsl="http://exslt.org/common"
-               xmlns:set="http://exslt.org/sets"
-                xmlns:rng="http://relaxng.org/ns/structure/1.0"
-                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
-               xmlns:s="http://www.ascc.net/xml/schematron"
-                exclude-result-prefixes="exsl ctrl s"
-                version="1.0">
-
-  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
-  <xsl:strip-space elements="*"/>
-
-  <xsl:key name="defs" match="rng:define" use="@name"/>
-
-  <xsl:template match="/">
-    <xsl:apply-templates/>
-  </xsl:template>
-
-  <xsl:template match="rng:element">
-    <xsl:variable name="attr"
-                 select="*[self::rng:ref[key('defs',@name)/rng:attribute]
-                           |self::rng:attribute
-                           |.//rng:ref[key('defs',@name)/rng:attribute]
-                           |.//rng:attribute]"/>
-    <xsl:variable name="rules" select="s:*"/>
-    <xsl:variable name="cmod" select="set:difference(*,$attr|rng:notAllowed|$rules)"/>
-
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-
-      <rng:attributes>
-       <xsl:copy-of select="$attr"/>
-      </rng:attributes>
-
-      <rng:content-model>
-       <xsl:choose>
-         <xsl:when test="count($cmod) &gt; 1">
-           <rng:group>
-             <xsl:copy-of select="$cmod"/>
-           </rng:group>
-         </xsl:when>
-         <xsl:otherwise>
-           <xsl:copy-of select="$cmod"/>
-         </xsl:otherwise>
-       </xsl:choose>
-      </rng:content-model>
-
-      <xsl:if test="$rules">
-       <rng:rules>
-         <xsl:copy-of select="$rules"/>
-       </rng:rules>
-      </xsl:if>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="*">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()">
-    <xsl:copy/>
-  </xsl:template>
-
-</xsl:stylesheet>

diff --git a/docbook/relaxng/tools/expand.xsl b/docbook/relaxng/tools/expand.xsl
deleted file mode 100644 (file)
index 46f1226..0000000
--- a/docbook/relaxng/tools/expand.xsl
+++ /dev/null
@@ -1,127 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:exsl="http://exslt.org/common"
-                xmlns:rng="http://relaxng.org/ns/structure/1.0"
-                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
-                exclude-result-prefixes="exsl ctrl"
-                version="1.0">
-
-  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
-  <xsl:strip-space elements="*"/>
-
-  <xsl:key name="defs" match="rng:define" use="@name"/>
-
-  <xsl:template match="/">
-    <xsl:call-template name="expand">
-      <xsl:with-param name="root" select="/"/>
-    </xsl:call-template>
-  </xsl:template>
-
-  <xsl:template name="expand">
-    <xsl:param name="root"/>
-
-    <xsl:variable name="canExpand">
-      <xsl:apply-templates select="$root" mode="expandTest"/>
-    </xsl:variable>
-
-    <xsl:message>Expand: <xsl:value-of select="string-length($canExpand)"/></xsl:message>
-
-    <xsl:choose>
-      <xsl:when test="contains($canExpand, '1')">
-       <xsl:variable name="expanded">
-         <xsl:apply-templates select="$root" mode="expand"/>
-       </xsl:variable>
-       <xsl:call-template name="expand">
-         <xsl:with-param name="root" select="exsl:node-set($expanded)"/>
-       </xsl:call-template>
-      </xsl:when>
-      <xsl:otherwise>
-       <xsl:copy-of select="$root"/>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:template>
-
-  <!-- ====================================================================== -->
-
-  <xsl:template match="/" mode="expandTest">
-    <xsl:for-each select="//rng:ref">
-      <xsl:variable name="name" select="@name"/>
-      <xsl:variable name="ref" select="key('defs', @name)"/>
-
-      <xsl:choose>
-       <xsl:when test="ancestor::rng:define[@name=$name]">
-         <!-- don't expand recursively -->
-       </xsl:when>
-       <xsl:when test="$ref and $ref/rng:element">
-         <!-- don't expand element patterns -->
-       </xsl:when>
-       <xsl:when test="$ref and $ref/rng:empty">
-         <!-- don't expand empty patterns -->
-       </xsl:when>
-       <xsl:otherwise>1</xsl:otherwise>
-      </xsl:choose>
-    </xsl:for-each>
-  </xsl:template>
-
-  <!-- ====================================================================== -->
-
-  <xsl:template match="/" mode="expand">
-    <xsl:apply-templates mode="expand"/>
-  </xsl:template>
-
-  <xsl:template match="rng:ref" priority="2" mode="expand">
-    <xsl:variable name="name" select="@name"/>
-    <xsl:variable name="ref" select="key('defs', @name)"/>
-
-    <xsl:choose>
-      <xsl:when test="$ref and ancestor::rng:define[@name=$name]">
-       <!-- don't expand recursively -->
-       <xsl:copy>
-         <xsl:copy-of select="@*"/>
-         <xsl:apply-templates mode="expand"/>
-       </xsl:copy>
-      </xsl:when>
-      <xsl:when test="$ref and $ref/rng:element">
-       <!-- don't expand element patterns -->
-       <xsl:copy>
-         <xsl:copy-of select="@*"/>
-         <xsl:apply-templates mode="expand"/>
-       </xsl:copy>
-      </xsl:when>
-      <xsl:when test="$ref and $ref/rng:empty">
-       <!-- just discard it -->
-      </xsl:when>
-      <xsl:when test="$ref">
-       <xsl:copy-of select="$ref/*"/>
-      </xsl:when>
-      <xsl:otherwise>
-       <xsl:copy>
-         <xsl:copy-of select="@*"/>
-         <xsl:apply-templates mode="expand"/>
-       </xsl:copy>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:template>
-
-  <xsl:template match="rng:element" mode="expand">
-    <!--
-    <xsl:message>Expanding <xsl:value-of select="@name"/></xsl:message>
-    -->
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates mode="expand"/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="*" mode="expand">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates mode="expand"/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()" mode="expand">
-    <xsl:copy/>
-  </xsl:template>
-
-</xsl:stylesheet>

diff --git a/docbook/relaxng/tools/flatten.xsl b/docbook/relaxng/tools/flatten.xsl
deleted file mode 100644 (file)
index b33830a..0000000
--- a/docbook/relaxng/tools/flatten.xsl
+++ /dev/null
@@ -1,52 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:exsl="http://exslt.org/common"
-                xmlns:rng="http://relaxng.org/ns/structure/1.0"
-                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
-                exclude-result-prefixes="exsl ctrl"
-                version="1.0">
-
-  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
-  <xsl:strip-space elements="*"/>
-
-  <xsl:key name="defs" match="rng:define" use="@name"/>
-
-  <xsl:template match="/">
-    <xsl:apply-templates/>
-  </xsl:template>
-
-  <xsl:template match="rng:content-model//rng:choice/rng:choice
-                      |rng:content-model//rng:zeroOrMore/rng:choice
-                      |rng:content-model//rng:oneOrMore/rng:choice
-                      |rng:content-model//rng:zeroOrMore/rng:zeroOrMore
-                      |rng:content-model//rng:oneOrMore/rng:oneOrMore">
-    <xsl:apply-templates/>
-  </xsl:template>
-
-  <xsl:template match="rng:ref">
-    <xsl:variable name="name" select="@name"/>
-    <xsl:choose>
-      <xsl:when test="preceding-sibling::rng:ref[@name = $name]">
-       <!-- suppress -->
-      </xsl:when>
-      <xsl:otherwise>
-       <xsl:copy>
-         <xsl:copy-of select="@*"/>
-         <xsl:apply-templates/>
-       </xsl:copy>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:template>
-
-  <xsl:template match="*">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()">
-    <xsl:copy/>
-  </xsl:template>
-
-</xsl:stylesheet>

diff --git a/docbook/relaxng/tools/group.xsl b/docbook/relaxng/tools/group.xsl
deleted file mode 100644 (file)
index 228c1f1..0000000
--- a/docbook/relaxng/tools/group.xsl
+++ /dev/null
@@ -1,65 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
-                xmlns:exsl="http://exslt.org/common"
-                xmlns:rng="http://relaxng.org/ns/structure/1.0"
-                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
-                exclude-result-prefixes="exsl ctrl"
-                version="1.0">
-
-  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
-  <xsl:strip-space elements="*"/>
-
-  <xsl:key name="defs" match="rng:define" use="@name"/>
-
-  <xsl:template match="/">
-    <xsl:apply-templates/>
-  </xsl:template>
-
-  <xsl:template match="rng:define[count(*) &gt; 1]
-                      |rng:zeroOrMore[count(*) &gt; 1]
-                      |rng:oneOrMore[count(*) &gt; 1]">
-    <xsl:variable name="refs">
-      <xsl:text>0</xsl:text>
-      <xsl:for-each select=".//rng:ref">
-       <xsl:if test="key('defs',@name)/rng:element">1</xsl:if>
-      </xsl:for-each>
-    </xsl:variable>
-
-    <!--
-    <xsl:if test="$refs &gt; 0">
-      <xsl:message>
-       <xsl:value-of select="@name"/>
-       <xsl:text> </xsl:text>
-       <xsl:value-of select="$refs"/>
-      </xsl:message>
-    </xsl:if>
-    -->
-
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-
-      <xsl:choose>
-       <xsl:when test="$refs &gt; 0">
-         <rng:group>
-           <xsl:apply-templates/>
-         </rng:group>
-       </xsl:when>
-       <xsl:otherwise>
-         <xsl:apply-templates/>
-       </xsl:otherwise>
-      </xsl:choose>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="*">
-    <xsl:copy>
-      <xsl:copy-of select="@*"/>
-      <xsl:apply-templates/>
-    </xsl:copy>
-  </xsl:template>
-
-  <xsl:template match="comment()|processing-instruction()|text()">
-    <xsl:copy/>
-  </xsl:template>
-
-</xsl:stylesheet>

diff --git a/docbook/relaxng/tools/rngdocxml.xsl b/docbook/relaxng/tools/rngdocxml.xsl
new file mode 100644 (file)
index 0000000..b5bf903
--- /dev/null
+++ b/docbook/relaxng/tools/rngdocxml.xsl
@@ -0,0 +1,332 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:exsl="http://exslt.org/common"
+               xmlns:set="http://exslt.org/sets"
+                xmlns:rng="http://relaxng.org/ns/structure/1.0"
+                xmlns:ctrl="http://nwalsh.com/xmlns/schema-control/"
+                xmlns:doc="http://nwalsh.com/xmlns/schema-doc/"
+               xmlns:s="http://www.ascc.net/xml/schematron"
+                exclude-result-prefixes="exsl ctrl s set"
+                version="1.0">
+
+  <xsl:output method="xml" encoding="utf-8" indent="yes"/>
+  <xsl:strip-space elements="*"/>
+
+  <xsl:key name="defs" match="rng:define" use="@name"/>
+
+  <xsl:template match="/">
+    <xsl:message>Add groups</xsl:message>
+    <xsl:variable name="grouped">
+      <xsl:apply-templates mode="group"/>
+    </xsl:variable>
+
+    <xsl:message>Expand content models</xsl:message>
+    <xsl:variable name="expanded">
+      <xsl:call-template name="expand">
+       <xsl:with-param name="root" select="exsl:node-set($grouped)"/>
+      </xsl:call-template>
+    </xsl:variable>
+
+    <xsl:message>Classify element content</xsl:message>
+    <xsl:variable name="classified">
+      <xsl:apply-templates select="exsl:node-set($expanded)" mode="classify"/>
+    </xsl:variable>
+
+    <xsl:message>Flatten nested choices</xsl:message>
+    <xsl:variable name="flattened">
+      <xsl:call-template name="flatten">
+       <xsl:with-param name="root" select="exsl:node-set($classified)"/>
+      </xsl:call-template>
+    </xsl:variable>
+
+    <xsl:copy-of select="$flattened"/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+  <xsl:template match="rng:define[count(*) &gt; 1]
+                      |rng:zeroOrMore[count(*) &gt; 1]
+                      |rng:oneOrMore[count(*) &gt; 1]"
+               mode="group">
+    <xsl:variable name="refs">
+      <xsl:text>0</xsl:text>
+      <xsl:for-each select=".//rng:ref">
+       <xsl:if test="key('defs',@name)/rng:element">1</xsl:if>
+      </xsl:for-each>
+    </xsl:variable>
+
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+
+      <xsl:choose>
+       <xsl:when test="$refs &gt; 0">
+         <rng:group>
+           <xsl:apply-templates mode="group"/>
+         </rng:group>
+       </xsl:when>
+       <xsl:otherwise>
+         <xsl:apply-templates mode="group"/>
+       </xsl:otherwise>
+      </xsl:choose>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="*" mode="group">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates mode="group"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="comment()|processing-instruction()|text()" mode="group">
+    <xsl:copy/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+  <xsl:template name="expand">
+    <xsl:param name="root"/>
+
+    <xsl:variable name="canExpand">
+      <xsl:apply-templates select="$root" mode="expandTest"/>
+    </xsl:variable>
+
+    <xsl:message>
+      <xsl:value-of select="string-length($canExpand)"/>
+      <xsl:text> patterns to expand</xsl:text>
+    </xsl:message>
+
+    <xsl:choose>
+      <xsl:when test="contains($canExpand, '1')">
+       <xsl:variable name="expanded">
+         <xsl:apply-templates select="$root" mode="expand"/>
+       </xsl:variable>
+       <xsl:call-template name="expand">
+         <xsl:with-param name="root" select="exsl:node-set($expanded)"/>
+       </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:copy-of select="$root"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="/" mode="expandTest">
+    <xsl:for-each select="//rng:ref">
+      <xsl:variable name="name" select="@name"/>
+      <xsl:variable name="ref" select="key('defs', @name)"/>
+
+      <xsl:choose>
+       <xsl:when test="ancestor::rng:define[@name=$name]">
+         <!-- don't expand recursively -->
+       </xsl:when>
+       <xsl:when test="$ref and $ref/rng:element">
+         <!-- don't expand element patterns -->
+       </xsl:when>
+       <xsl:when test="$ref and $ref/rng:empty">
+         <!-- don't expand empty patterns -->
+       </xsl:when>
+       <xsl:when test="$ref">1</xsl:when>
+      </xsl:choose>
+    </xsl:for-each>
+  </xsl:template>
+
+  <xsl:template match="/" mode="expand">
+    <xsl:apply-templates mode="expand"/>
+  </xsl:template>
+
+  <xsl:template match="rng:ref" priority="2" mode="expand">
+    <xsl:variable name="name" select="@name"/>
+    <xsl:variable name="ref" select="key('defs', @name)"/>
+
+    <xsl:choose>
+      <xsl:when test="$ref and ancestor::rng:define[@name=$name]">
+       <!-- don't expand recursively -->
+       <xsl:copy>
+         <xsl:copy-of select="@*"/>
+         <xsl:apply-templates mode="expand"/>
+       </xsl:copy>
+      </xsl:when>
+      <xsl:when test="$ref and $ref/rng:element">
+       <!-- don't expand element patterns -->
+       <xsl:copy>
+         <xsl:copy-of select="@*"/>
+         <xsl:apply-templates mode="expand"/>
+       </xsl:copy>
+      </xsl:when>
+      <xsl:when test="$ref and $ref/rng:empty">
+       <!-- just discard it -->
+      </xsl:when>
+      <xsl:when test="$ref">
+       <xsl:copy-of select="$ref/*"/>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:copy>
+         <xsl:copy-of select="@*"/>
+         <xsl:apply-templates mode="expand"/>
+       </xsl:copy>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="rng:element" mode="expand">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates mode="expand"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="*" mode="expand">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates mode="expand"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="comment()|processing-instruction()|text()" mode="expand">
+    <xsl:copy/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+  <xsl:template match="rng:element|rng:start" mode="classify">
+    <xsl:variable name="attr"
+                 select="*[self::rng:ref[key('defs',@name)/rng:attribute]
+                           |self::rng:attribute
+                           |.//rng:ref[key('defs',@name)/rng:attribute]
+                           |.//rng:attribute]"/>
+    <xsl:variable name="rules" select="s:*"/>
+    <xsl:variable name="cmod" select="set:difference(*,$attr|rng:notAllowed|$rules)"/>
+
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+
+      <doc:attributes>
+       <xsl:copy-of select="$attr"/>
+      </doc:attributes>
+
+      <doc:content-model>
+       <xsl:choose>
+         <xsl:when test="count($cmod) &gt; 1">
+           <rng:group>
+             <xsl:copy-of select="$cmod"/>
+           </rng:group>
+         </xsl:when>
+         <xsl:otherwise>
+           <xsl:copy-of select="$cmod"/>
+         </xsl:otherwise>
+       </xsl:choose>
+      </doc:content-model>
+
+      <xsl:if test="$rules">
+       <rng:rules>
+         <xsl:copy-of select="$rules"/>
+       </rng:rules>
+      </xsl:if>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="*" mode="classify">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates mode="classify"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="comment()|processing-instruction()|text()" mode="classify">
+    <xsl:copy/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+  <xsl:template name="flatten">
+    <xsl:param name="root"/>
+
+    <xsl:variable name="canFlatten">
+      <xsl:apply-templates select="$root" mode="flattenTest"/>
+    </xsl:variable>
+
+    <xsl:message>
+      <xsl:value-of select="$canFlatten"/>
+      <xsl:text> patterns to flatten</xsl:text>
+    </xsl:message>
+
+    <xsl:choose>
+      <xsl:when test="$canFlatten &gt; 0">
+       <xsl:variable name="flattened">
+         <xsl:apply-templates select="$root" mode="flatten"/>
+       </xsl:variable>
+       <xsl:call-template name="flatten">
+         <xsl:with-param name="root" select="exsl:node-set($flattened)"/>
+       </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:copy-of select="$root"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="/" mode="flattenTest">
+    <xsl:value-of select="count(//doc:content-model//rng:choice/rng:choice
+                                |//doc:content-model//rng:zeroOrMore/rng:choice
+                                |//doc:content-model//rng:oneOrMore/rng:choice
+                                |//doc:content-model//rng:zeroOrMore/rng:zeroOrMore
+                                |//doc:content-model//rng:oneOrMore/rng:oneOrMore)"/>
+  </xsl:template>
+
+  <xsl:template match="/" mode="flatten">
+    <xsl:apply-templates mode="flatten"/>
+  </xsl:template>
+
+  <xsl:template match="doc:content-model//rng:choice/rng:choice
+                      |doc:content-model//rng:zeroOrMore/rng:choice
+                      |doc:content-model//rng:oneOrMore/rng:choice
+                      |doc:content-model//rng:zeroOrMore/rng:zeroOrMore
+                      |doc:content-model//rng:oneOrMore/rng:oneOrMore"
+               mode="flatten">
+    <xsl:apply-templates mode="flatten"/>
+  </xsl:template>
+
+  <xsl:template match="rng:notAllowed" mode="flatten">
+    <xsl:choose>
+      <xsl:when test="parent::rng:choice|parent::rng:zeroOrMore|parent::rng:oneOrMore">
+       <!-- suppress -->
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:copy>
+         <xsl:copy-of select="@*"/>
+         <xsl:apply-templates mode="flatten"/>
+       </xsl:copy>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="rng:ref" mode="flatten">
+    <xsl:variable name="name" select="@name"/>
+    <xsl:choose>
+      <xsl:when test="preceding-sibling::rng:ref[@name = $name]">
+       <!-- suppress -->
+      </xsl:when>
+      <xsl:otherwise>
+       <xsl:copy>
+         <xsl:copy-of select="@*"/>
+         <xsl:apply-templates mode="flatten"/>
+       </xsl:copy>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template match="*" mode="flatten">
+    <xsl:copy>
+      <xsl:copy-of select="@*"/>
+      <xsl:apply-templates mode="flatten"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="comment()|processing-instruction()|text()" mode="flatten">
+    <xsl:copy/>
+  </xsl:template>
+
+  <!-- ====================================================================== -->
+
+</xsl:stylesheet>