From 0f057b69d304a8ca6e6d1e4b67f00755d1650636 Mon Sep 17 00:00:00 2001
From: Irene Schena <irene.schena@unibo.it>
Date: Wed, 6 Mar 2002 11:27:12 +0000
Subject: [PATCH] Modified Files: 1) link.xsl mmlctop.xsl-0.14 mmlextension.xsl
 mmlnotation.xsl: removed redundant namespace prefix m: of the MML xref
 attribute

---
 helm/style/link.xsl         |   4 +-
 helm/style/mmlctop.xsl-0.14 | 322 ++++++++++++++++++------------------
 helm/style/mmlextension.xsl |  24 +--
 helm/style/mmlnotation.xsl  |  20 +--
 4 files changed, 185 insertions(+), 185 deletions(-)

diff --git a/helm/style/link.xsl b/helm/style/link.xsl
index 48bb02b66..e3568a18f 100644
--- a/helm/style/link.xsl
+++ b/helm/style/link.xsl
@@ -48,8 +48,8 @@ xlink:href) -->
 <xsl:template match = "*" mode="semantics">
   <xsl:copy>
    <xsl:copy-of select="@*"/>
-   <xsl:if test="@m:xref">
-    <xsl:variable name="cnode" select="key('id',@m:xref)"/>
+   <xsl:if test="@xref">
+    <xsl:variable name="cnode" select="key('id',@xref)"/>
     <xsl:if test="$cnode/@definitionURL"> 
      <xsl:attribute name="xlink:href">
       <xsl:call-template name="makeURL"><xsl:with-param name="uri" select="$cnode/@definitionURL"/></xsl:call-template>
diff --git a/helm/style/mmlctop.xsl-0.14 b/helm/style/mmlctop.xsl-0.14
index be41c5be3..1568e1da2 100755
--- a/helm/style/mmlctop.xsl-0.14
+++ b/helm/style/mmlctop.xsl-0.14
@@ -19,7 +19,7 @@
 <!--  Added the namespace prefix to all the output elements -->
 <!--  Added the namespace prefix to all the xref attributes -->
 <!--  Changed the mml prefix into m                         -->
-<!--  Added m:xref to every mo element                      -->
+<!--  Added xref to every mo element                        -->
 <!--  Changed mchar into the corresponding entity           -->
 <!--  First draft: April 27 2001, Irene Schena              -->
 <!-- ====================================================== -->
@@ -255,7 +255,7 @@ LINEAR ALGEBRA
         <xsl:when test="self::m:semantics">
           <xsl:copy>
             <xsl:copy-of select="@*"/>
-            <xsl:attribute name="m:xref">
+            <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
             </xsl:attribute>
             <xsl:copy-of select="*[1]"/>
@@ -313,7 +313,7 @@ LINEAR ALGEBRA
                                                    and $PAR_NO_IGNORE=$NO">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -336,7 +336,7 @@ LINEAR ALGEBRA
   </xsl:when>
   <xsl:otherwise>
    <m:mrow>
-    <xsl:attribute name="m:xref">
+    <xsl:attribute name="xref">
      <xsl:value-of select="@id"/>
     </xsl:attribute>
     <xsl:copy-of select="*"/>
@@ -457,13 +457,13 @@ HELM: Now is: -->
 <xsl:template match = "m:cn" mode="cnid">
   <xsl:choose>
     <xsl:when test="@base and (not(@type) or @type='integer' or @type='real')">
-      <m:msub m:xref="{@id}">
+      <m:msub xref="{@id}">
         <m:mn> <xsl:apply-templates mode = "semantics"/> </m:mn>
         <m:mn> <xsl:value-of select="@base"/> </m:mn>
       </m:msub>
     </xsl:when>
     <xsl:when test="@type='complex' and not(@base) and child::m:sep[1]">
-      <m:mfenced separators="" m:xref="{@id}">
+      <m:mfenced separators="" xref="{@id}">
         <m:mn> <xsl:apply-templates select="text()[1]" mode = "semantics"/> </m:mn>
         <xsl:if test="text()[2] &lt; 0">
           <m:mo>-</m:mo>
@@ -478,7 +478,7 @@ HELM: Now is: -->
       </m:mfenced>
     </xsl:when>
     <xsl:when test="@type='complex' and @base and child::m:sep[1]">
-      <m:msub m:xref="{@id}">
+      <m:msub xref="{@id}">
         <m:mfenced separators="">
           <m:mn> <xsl:apply-templates select="text()[1]"/> </m:mn>
           <xsl:if test="text()[2] &lt; 0">
@@ -496,13 +496,13 @@ HELM: Now is: -->
       </m:msub>
     </xsl:when>
     <xsl:when test="@type='rational' and not(@base) and child::m:sep[1]">
-      <m:mfrac m:xref="{@id}">
+      <m:mfrac xref="{@id}">
         <m:mn> <xsl:apply-templates select="text()[1]"/> </m:mn>
         <m:mn> <xsl:apply-templates select="text()[2]"/> </m:mn>
       </m:mfrac>
     </xsl:when>
     <xsl:when test="@type='rational' and @base and child::m:sep[1]">
-      <m:msub m:xref="{@id}">
+      <m:msub xref="{@id}">
         <m:mfenced>
           <m:mfrac>
             <m:mn> <xsl:apply-templates select="text()[1]"/> </m:mn>
@@ -513,7 +513,7 @@ HELM: Now is: -->
       </m:msub>
     </xsl:when>
     <xsl:when test="@type='polar' and not(@base) and child::m:sep[1]">
-      <m:mrow m:xref="{@id}">
+      <m:mrow xref="{@id}">
         <m:mo>Polar</m:mo>
         <m:mo>&#x02062;</m:mo>
         <m:mfenced separators=",">
@@ -523,7 +523,7 @@ HELM: Now is: -->
       </m:mrow>
     </xsl:when>
     <xsl:when test="@type='polar' and @base and child::m:sep[1]">
-      <m:msub m:xref="{@id}">
+      <m:msub xref="{@id}">
         <m:mrow>
           <m:mo>Polar</m:mo>
           <m:mo>&#x02062;</m:mo>
@@ -538,7 +538,7 @@ HELM: Now is: -->
    <xsl:otherwise>
     <xsl:choose>
      <xsl:when test="child::text() and not(*[1])">
-      <m:mn m:xref="{@id}"> <xsl:apply-templates mode = "semantics"/> </m:mn>
+      <m:mn xref="{@id}"> <xsl:apply-templates mode = "semantics"/> </m:mn>
      </xsl:when>
      <xsl:otherwise>
       <xsl:variable name="id" select="@id"/>
@@ -546,7 +546,7 @@ HELM: Now is: -->
        <xsl:when test="not(*[2])">
         <xsl:for-each select="*[1]">
          <xsl:copy>
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
            <xsl:value-of select="$id"/>
           </xsl:attribute>
           <xsl:copy-of select="@*|*"/>
@@ -554,7 +554,7 @@ HELM: Now is: -->
         </xsl:for-each>
        </xsl:when>
        <xsl:otherwise>
-        <m:mrow m:xref="{$id}">
+        <m:mrow xref="{$id}">
          <xsl:copy-of select="*|text()"/>
         </m:mrow>
        </xsl:otherwise>
@@ -572,7 +572,7 @@ HELM: Now is: -->
     <xsl:when test="@type='vector' or @type=matrix or @type=set">
       <m:mi fontweight="bold">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -582,7 +582,7 @@ HELM: Now is: -->
     <xsl:when test="child::text() and not(child::*[1])">
       <m:mi>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -593,7 +593,7 @@ HELM: Now is: -->
     <xsl:when test="child::text() and *[1] and not(*[1]=m:sep)">
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -605,7 +605,7 @@ HELM: Now is: -->
       <xsl:if test="*[2]">
         <m:mrow>
           <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-            <xsl:attribute name="m:xref">
+            <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
             </xsl:attribute>
           </xsl:if>
@@ -619,7 +619,7 @@ HELM: Now is: -->
         <xsl:variable name="id" select="@id"/>
         <xsl:for-each select="*[1]">
          <xsl:copy>
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
            <xsl:value-of select="$id"/>
           </xsl:attribute>
          <xsl:copy-of select="@*|*"/>
@@ -640,7 +640,7 @@ HELM: Now is: -->
 <xsl:template match = "m:csymbol">
 <!-- HELM: added -->
    <m:mrow>
-    <xsl:attribute name="m:xref">
+    <xsl:attribute name="xref">
      <xsl:value-of select="@id"/>
     </xsl:attribute>
 <!-- HELM -->
@@ -689,7 +689,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:*[1][self::m:fn]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -697,7 +697,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo> 
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:fn/@id"/>
           </xsl:attribute>
         </xsl:if>&#x02061;</m:mo>
@@ -716,7 +716,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:interval">
   <m:mfenced separators=",">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -733,7 +733,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:*[1][self::m:apply[m:inverse[1]]]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -754,7 +754,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                     *[2]=m:arccos or *[2]=m:arctan">
       <m:mo>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -764,7 +764,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:msup>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -841,7 +841,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <xsl:choose>
         <xsl:when test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <m:mrow m:xref="{@id}">
+          <m:mrow xref="{@id}">
             <xsl:apply-templates select="*" mode = "semantics"/>
           </m:mrow>
         </xsl:when>
@@ -865,7 +865,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:lambda">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -891,7 +891,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[*[1][self::m:apply[m:compose[1]]]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -906,7 +906,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[*[1][self::m:compose]]">
   <m:mfenced separators="">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -917,7 +917,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mo>
  <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:compose/@id"/>
           </xsl:attribute>
         </xsl:if>&#x02218;</m:mo>
@@ -929,7 +929,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:ident">
   <xsl:choose>
     <xsl:when test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <m:mo m:xref="{@id}">id</m:mo>
+      <m:mo xref="{@id}">id</m:mo>
     </xsl:when>
     <xsl:otherwise>
       <m:mo>id</m:mo>
@@ -943,7 +943,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:quotient[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -951,7 +951,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mfrac>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:quotient/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -974,14 +974,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[*[1][self::m:exp]]">
   <m:msup>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
     <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:exp/@id"/>
           </xsl:attribute>
         </xsl:if>e</m:mo>
@@ -992,7 +992,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:factorial[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1003,7 +1003,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:factorial/@id"/>
           </xsl:attribute>
         </xsl:if>!</m:mo>
@@ -1013,7 +1013,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:max[1] | m:min[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1023,7 +1023,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:max/@id"/>
           </xsl:attribute>
         </xsl:if>max</m:mo>
@@ -1032,7 +1032,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:min/@id"/>
           </xsl:attribute>
         </xsl:if>min</m:mo>
@@ -1103,7 +1103,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                                                         $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1126,7 +1126,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1148,7 +1148,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:minus/@id"/>
           </xsl:attribute>
         </xsl:if>-</m:mo>
@@ -1168,7 +1168,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:minus/@id"/>
           </xsl:attribute>
         </xsl:if>-</m:mo>
@@ -1191,7 +1191,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                                                       $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1214,7 +1214,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1256,7 +1256,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:plus/@id"/>
           </xsl:attribute>
         </xsl:if>+</m:mo>
@@ -1284,7 +1284,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:msup>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1308,7 +1308,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                                                     $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1331,7 +1331,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1359,7 +1359,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:if test="m:rem">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:rem/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1368,7 +1368,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:if test="m:divide">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:divide/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1393,7 +1393,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                                                     $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1416,7 +1416,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1447,7 +1447,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:times/@id"/>
           </xsl:attribute>
         </xsl:if>*</m:mo>
@@ -1463,7 +1463,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:root[1]]">
   <m:msqrt>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1487,7 +1487,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:gcd[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1495,7 +1495,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:gcd/@id"/>
           </xsl:attribute>
         </xsl:if>gcd</m:mo>
@@ -1505,7 +1505,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:gcd/@id"/>
           </xsl:attribute>
         </xsl:if>gcd</m:mo>
@@ -1528,7 +1528,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:when test="$IN_PREC &gt; $AND_PREC">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1550,7 +1550,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1578,7 +1578,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:and/@id"/>
           </xsl:attribute>
         </xsl:if>&#x02227;</m:mo>
@@ -1598,7 +1598,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:when test="$IN_PREC &gt; $OR_PREC">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1620,7 +1620,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1648,7 +1648,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo> 
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:or/@id"/>
           </xsl:attribute>
         </xsl:if>&#x02228;</m:mo>
@@ -1668,7 +1668,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:when test="$IN_PREC &gt; $XOR_PREC">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1689,7 +1689,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1717,7 +1717,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
  <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:xor/@id"/>
           </xsl:attribute>
         </xsl:if>&#x022BB;</m:mo>
@@ -1732,7 +1732,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:not[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1740,7 +1740,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:not/@id"/>
           </xsl:attribute>
         </xsl:if>&#x000AC;</m:mo>
@@ -1753,14 +1753,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:forall[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:forall/@id"/>
           </xsl:attribute>
         </xsl:if>for all</m:mo>
@@ -1787,14 +1787,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:exists[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo> 
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:exists/@id"/>
           </xsl:attribute>
         </xsl:if>&#x02203;</m:mo>
@@ -1824,7 +1824,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
   <xsl:if test="not(parent::m:apply[m:power[1]])">
     <m:mfenced open="|" close="|" separators="">
       <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-        <xsl:attribute name="m:xref">
+        <xsl:attribute name="xref">
           <xsl:value-of select="@id"/>
         </xsl:attribute>
       </xsl:if>
@@ -1835,7 +1835,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:msup>
       <m:mfenced open="|" close="|" separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1849,7 +1849,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:conjugate[1]]">
   <m:mover>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1859,7 +1859,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
  <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:conjugate/@id"/>
           </xsl:attribute>
         </xsl:if>&#x00332;</m:mo>
@@ -1869,7 +1869,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:arg[1] | m:real[1] | m:imaginary[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1877,7 +1877,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="m:arg">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:arg/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1886,7 +1886,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="m:real">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:real/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1895,7 +1895,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="m:imaginary">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:imaginary/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1917,7 +1917,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                      | m:geq | m:leq | m:equivalent]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -1929,7 +1929,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:neq">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:neq/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1938,7 +1938,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:approx">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:approx/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1947,7 +1947,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:tendsto">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:tendsto/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1956,7 +1956,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:implies">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:implies/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1965,7 +1965,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:in">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:in/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1974,7 +1974,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:notin">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:notin/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1983,7 +1983,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:notsubset">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:notsubset/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -1992,7 +1992,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <xsl:if test="*[1]=m:notprsubset">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:notprsubset/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2004,7 +2004,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:tendsto/@id"/>
           </xsl:attribute>
         </xsl:if>-</m:mo>
@@ -2013,7 +2013,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:tendsto/@id"/>
           </xsl:attribute>
         </xsl:if>+</m:mo>
@@ -2027,7 +2027,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:subset][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:subset/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2036,7 +2036,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:prsubset][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:prsubset/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2045,7 +2045,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:eq][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:eq/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2054,7 +2054,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:gt][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:gt/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2063,7 +2063,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:lt][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:lt/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2072,7 +2072,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:geq][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:geq/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2081,7 +2081,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:leq][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:leq/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2090,7 +2090,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <xsl:if test="../*[self::m:equivalent][1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:equivalent/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2109,7 +2109,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[*[1][self::m:ln]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2119,7 +2119,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
           <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:ln/@id"/>
           </xsl:attribute>
         </xsl:if>ln</m:mo>
@@ -2130,7 +2130,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:ln/@id"/>
           </xsl:attribute>
         </xsl:if>ln</m:mo>
@@ -2146,7 +2146,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:log[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2157,7 +2157,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:log/@id"/>
           </xsl:attribute>
         </xsl:if>log</m:mo>
@@ -2169,7 +2169,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:log/@id"/>
           </xsl:attribute>
         </xsl:if>log</m:mo>
@@ -2187,7 +2187,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:log/@id"/>
           </xsl:attribute>
         </xsl:if>log</m:mo>
@@ -2213,7 +2213,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:diff[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2221,7 +2221,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mfrac>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:diff/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2242,7 +2242,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mfrac>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:diff/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2260,7 +2260,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:partialdiff[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2269,7 +2269,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mfrac>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:partialdiff/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2290,7 +2290,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
         <m:mfrac>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:partialdiff/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2314,7 +2314,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:divergence[1] | m:grad[1] | m:curl[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2322,7 +2322,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="*[1]=m:divergence">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:divergence/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2331,7 +2331,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="*[1]=m:grad">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:grad/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2340,7 +2340,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="*[1]=m:curl">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:curl/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2363,14 +2363,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:laplacian[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:msup>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:laplacian/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2387,7 +2387,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:set | m:list">
   <m:mfenced open="{{" close="}}" separators="">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2425,7 +2425,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                     and $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2448,7 +2448,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2476,7 +2476,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:union/@id"/>
           </xsl:attribute>
         </xsl:if>&#x022C3;</m:mo>
@@ -2497,7 +2497,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:when test="$IN_PREC &gt; $INTERSECT_PREC">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2520,7 +2520,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2548,7 +2548,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="../m:intersect/@id"/>
           </xsl:attribute>
         </xsl:if>&#x022C2;</m:mo>
@@ -2570,7 +2570,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                     and $PARAM=$PAR_SAME">
       <m:mfenced separators="">
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2593,7 +2593,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <xsl:otherwise>
       <m:mrow>
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2620,7 +2620,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
   <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:setdiff/@id"/>
           </xsl:attribute>
         </xsl:if>\</m:mo>
@@ -2635,7 +2635,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:card[1]]">
   <m:mfenced open="|" close="|" separators=",">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2651,7 +2651,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:sum[1] | m:product[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2662,7 +2662,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <xsl:if test="*[1]=m:sum">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:sum/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2671,7 +2671,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <xsl:if test="*[1]=m:product">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:product/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2693,7 +2693,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <xsl:if test="*[1]=m:sum">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:sum/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2702,7 +2702,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
             <xsl:if test="*[1]=m:product">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:product/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -2720,7 +2720,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:limit[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2728,7 +2728,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:lim/@id"/>
           </xsl:attribute>
         </xsl:if>lim</m:mo>
@@ -2758,7 +2758,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                        self::m:arctan]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2782,7 +2782,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "*" mode="trigonometry">
   <m:mo>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2842,7 +2842,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:mean[1]]">
   <m:mfenced open="&lt;" close="&gt;" separators=",">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2855,14 +2855,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:sdev[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:sdev/@id"/>
           </xsl:attribute>
         </xsl:if>&#x003C3;</m:mo>
@@ -2877,14 +2877,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:variance[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:variance/@id"/>
           </xsl:attribute>
         </xsl:if>&#x003C3;</m:mo>
@@ -2902,14 +2902,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:median[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:median/@id"/>
           </xsl:attribute>
         </xsl:if>median</m:mo>
@@ -2924,14 +2924,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:mode[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:mode/@id"/>
           </xsl:attribute>
         </xsl:if>mode</m:mo>
@@ -2946,7 +2946,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:moment[1]]">
   <m:mfenced open="&lt;" close="&gt;" separators="">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2970,7 +2970,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match="m:vector">
   <m:mfenced separators="">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -2987,7 +2987,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:matrix">
   <m:mfenced separators="">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -3000,7 +3000,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:matrixrow">
   <m:mtr>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -3015,14 +3015,14 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:determinant[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:determinant/@id"/>
           </xsl:attribute>
         </xsl:if>det</m:mo>
@@ -3033,7 +3033,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
 <xsl:template match = "m:apply[m:transpose[1]]">
   <m:msup>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -3041,7 +3041,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
     <m:mo>
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:transpose/@id"/>
           </xsl:attribute>
         </xsl:if>T</m:mo>
@@ -3071,7 +3071,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
                                  m:scalarproduct[1] | m:outerproduct[1]]">
   <m:mrow>
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
@@ -3080,7 +3080,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="m:vectorproduct[1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="m:vectorproduct/@id"/>
           </xsl:attribute>
         </xsl:if>
@@ -3089,7 +3089,7 @@ an mo. Mixed content: mrow which contains mo + presentation elements -->
       <xsl:if test="m:scalarproduct[1] | m:outerproduct[1]">
 <!-- HELM: added -->        
         <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
             <xsl:value-of select="*[1]/@id"/>
           </xsl:attribute>
         </xsl:if>
diff --git a/helm/style/mmlextension.xsl b/helm/style/mmlextension.xsl
index 7e9bd1e5f..b9cd3165e 100644
--- a/helm/style/mmlextension.xsl
+++ b/helm/style/mmlextension.xsl
@@ -414,7 +414,7 @@ which generates the toplevel element (see for instance xlink) -->
     <xsl:variable name="charlength"><xsl:apply-templates select="m:csymbol" mode="charcount"/></xsl:variable>
     <m:mrow>
      <xsl:if test="@id">
-      <xsl:attribute name="m:xref"><xsl:value-of select="@id"/></xsl:attribute>
+      <xsl:attribute name="xref"><xsl:value-of select="@id"/></xsl:attribute>
      </xsl:if>
      <xsl:variable name="id" select="m:csymbol/@id"/>
      <xsl:choose>
@@ -1715,7 +1715,7 @@ which generates the toplevel element (see for instance xlink) -->
         <xsl:apply-templates select="*[4]"/>
         <m:mo mathcolor="Green">
          <xsl:if test="$id != ''">
-          <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+          <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
          </xsl:if>&#8592;</m:mo>
         <xsl:apply-templates select="*[2]"/>
         <m:mo stretchy="false">]</m:mo>
@@ -1725,7 +1725,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:msup>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8593;</m:mo>
 	 <xsl:apply-templates select="*[2]"/>
         </m:msup>
@@ -1740,7 +1740,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:msubsup>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8593;</m:mo>
 	 <xsl:apply-templates select="*[3]"/>
 	 <xsl:apply-templates select="*[4]"/>
@@ -1757,7 +1757,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:munder>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8594;</m:mo>
           <m:mi mathcolor="Green">&#946;</m:mi>
         </m:munder>
@@ -1769,7 +1769,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:munderover>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8594;</m:mo>
           <m:mi mathcolor="Green">&#946;</m:mi>
           <m:mi mathcolor="Green">*</m:mi>
@@ -1782,7 +1782,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:munder>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8658;</m:mo>
           <m:mi mathcolor="Green">&#946;</m:mi>
         </m:munder>
@@ -1794,7 +1794,7 @@ which generates the toplevel element (see for instance xlink) -->
         <m:munderover>
          <m:mo mathcolor="Green">
           <xsl:if test="$id != ''">
-           <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+           <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
           </xsl:if>&#8658;</m:mo>
           <m:mi mathcolor="Green">&#946;</m:mi>
           <m:mi mathcolor="Green">*</m:mi>
@@ -1805,7 +1805,7 @@ which generates the toplevel element (see for instance xlink) -->
       <xsl:when test="$name='forgetful'">
        <m:mfenced open="|" close="|">
         <xsl:if test="$id != ''">
-         <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+         <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
         </xsl:if>
         <xsl:apply-templates select="*[2]"/>
        </m:mfenced>
@@ -1815,7 +1815,7 @@ which generates the toplevel element (see for instance xlink) -->
         <xsl:apply-templates select="*[2]"/>
         <m:mo mathcolor="Green">
          <xsl:if test="$id != ''">
-          <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+          <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
          </xsl:if>&#8773;</m:mo>
         <xsl:apply-templates select="*[3]"/>
       </xsl:when>
@@ -1823,7 +1823,7 @@ which generates the toplevel element (see for instance xlink) -->
       <xsl:when test="$name='forgetful'">
        <m:mfenced open="[" close="]">
         <xsl:if test="$id != ''">
-         <xsl:attribute name="m:xref"><xsl:value-of select="$id"/></xsl:attribute>
+         <xsl:attribute name="xref"><xsl:value-of select="$id"/></xsl:attribute>
         </xsl:if>
         <xsl:apply-templates select="*[2]"/>
        </m:mfenced>
@@ -1898,7 +1898,7 @@ which generates the toplevel element (see for instance xlink) -->
     <xsl:variable name="charlength"><xsl:apply-templates select="*[position()=1]" mode="charcount"/></xsl:variable>
     <m:mrow>
      <xsl:if test="@id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
        <xsl:value-of select="@id"/>
       </xsl:attribute>
      </xsl:if>
diff --git a/helm/style/mmlnotation.xsl b/helm/style/mmlnotation.xsl
index a89a2e4b9..3ebf23ba7 100644
--- a/helm/style/mmlnotation.xsl
+++ b/helm/style/mmlnotation.xsl
@@ -53,7 +53,7 @@
   <xsl:when test="$charlength >= $framewidth">
    <m:mtable align="baseline 1" equalrows="false" columnalign="left">
     <xsl:if test="@id">
-     <xsl:attribute name="m:xref">
+     <xsl:attribute name="xref">
       <xsl:value-of select="@id"/>
      </xsl:attribute>
     </xsl:if>    
@@ -72,7 +72,7 @@
         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
         <m:mo>
          <xsl:if test="m:in/@id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
            <xsl:value-of select="m:in/@id"/>
           </xsl:attribute>
          </xsl:if>=</m:mo>
@@ -151,7 +151,7 @@
   <xsl:when test="$charlength >= $framewidth">
    <m:mtable align="baseline 1" equalrows="false" columnalign="left">
     <xsl:if test="@id">
-     <xsl:attribute name="m:xref">
+     <xsl:attribute name="xref">
       <xsl:value-of select="@id"/>
      </xsl:attribute>
     </xsl:if>    
@@ -170,7 +170,7 @@
         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
         <m:mo>
          <xsl:if test="*[1]/@id">
-          <xsl:attribute name="m:xref">
+          <xsl:attribute name="xref">
            <xsl:value-of select="*[1]/@id"/>
           </xsl:attribute>
          </xsl:if><xsl:value-of select="$symbol"/></m:mo>
@@ -199,7 +199,7 @@
   <xsl:when test="count(child::*) = 0">
    <m:mi>
     <xsl:if test="@id">
-     <xsl:attribute name="m:xref">
+     <xsl:attribute name="xref">
       <xsl:value-of select="@id"/>
      </xsl:attribute>
     </xsl:if>&#x02205;</m:mi>
@@ -218,7 +218,7 @@
           <m:mrow>
            <m:mo stretchy="false">
             <xsl:if test="@id">
-             <xsl:attribute name="m:xref">
+             <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
              </xsl:attribute>
             </xsl:if>{</m:mo>
@@ -240,7 +240,7 @@
           <m:mrow>
            <m:mo stretchy="false">
             <xsl:if test="@id">
-             <xsl:attribute name="m:xref">
+             <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
              </xsl:attribute>
             </xsl:if>}</m:mo>
@@ -256,7 +256,7 @@
           <m:mrow>
            <m:mo stretchy="false">
             <xsl:if test="@id">
-             <xsl:attribute name="m:xref">
+             <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
              </xsl:attribute>
             </xsl:if>{</m:mo>
@@ -285,7 +285,7 @@
           <m:mrow>
            <m:mo stretchy="false">
             <xsl:if test="@id">
-             <xsl:attribute name="m:xref">
+             <xsl:attribute name="xref">
               <xsl:value-of select="@id"/>
              </xsl:attribute>
             </xsl:if>}</m:mo>
@@ -307,7 +307,7 @@
 <xsl:template match = "m:apply[m:card[1]]">
   <m:mfenced open="|" close="|" stretchy="false">
     <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
-      <xsl:attribute name="m:xref">
+      <xsl:attribute name="xref">
         <xsl:value-of select="@id"/>
       </xsl:attribute>
     </xsl:if>
-- 
2.39.2