Sort non 1st level XML elements and their attributes for better diffing

sort.xslt

<xsl:stylesheet version="1.0"
 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:output omit-xml-declaration="yes" indent="yes"/>
 <xsl:strip-space elements="*"/>

 <xsl:template match="node()|@*">
  <xsl:copy>
   <xsl:apply-templates select="@*">
    <xsl:sort select="name()"/>
   </xsl:apply-templates>

   <xsl:apply-templates select="node()">
    <xsl:sort select="name()"/>
    <xsl:sort select="text()" />
   </xsl:apply-templates>
  </xsl:copy>
 </xsl:template>
</xsl:stylesheet>