#!/bin/sh
tmpfile=/tmp/xmlindent.$$.xsl
cat > $tmpfile <<!
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:output method="xml" omit-xml-declaration="yes"/>
   <xsl:param name="indent-increment" select="'   '" />

   <xsl:template match="*">
      <xsl:param name="indent" select="'&#xA;'"/>

      <xsl:value-of select="\$indent"/>
      <xsl:copy>
        <xsl:copy-of select="@*" />
        <xsl:apply-templates>
          <xsl:with-param name="indent" select="concat(\$indent, \$indent-increment)"/>
        </xsl:apply-templates>
        <xsl:if test="*">
          <xsl:value-of select="\$indent"/>
        </xsl:if>
      </xsl:copy>
   </xsl:template>

   <xsl:template match="comment()|processing-instruction()">
      <xsl:copy />
   </xsl:template>

   <!-- WARNING: this is dangerous. Handle with care -->
   <xsl:template match="text()[normalize-space(.)='']"/>

</xsl:stylesheet>
!

xsltproc $tmpfile "$@"
x=$?
rm -f $tmpfile
exit $x