ali@0: <?xml version="1.0"?>
ali@0: <xsl:stylesheet version="1.0"
ali@0: 		xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
ali@0: 		xmlns:exsl="http://exslt.org/common"
ali@0: 		extension-element-prefixes="exsl">
ali@0: 
ali@0: <xsl:variable name="users">
ali@0:   <xsl:for-each select="//artifact/field[@name='submitted_by' or @name='assigned_to']">
ali@0:     <user><xsl:value-of select="normalize-space(.)"/></user>
ali@0:   </xsl:for-each>
ali@0:   <xsl:for-each select="//artifact/field[@name='artifact_history']/history/field[@name='mod_by']">
ali@0:     <user><xsl:value-of select="normalize-space(.)"/></user>
ali@0:   </xsl:for-each>
ali@0:   <xsl:for-each select="//artifact/field[@name='artifact_messages']/message/field[@name='user_name']">
ali@0:     <user><xsl:value-of select="normalize-space(.)"/></user>
ali@0:   </xsl:for-each>
ali@0: </xsl:variable>
ali@0: 
ali@0: <xsl:variable name="sorted_users">
ali@0:   <xsl:for-each select="exsl:node-set($users)/user">
ali@0:     <xsl:sort/>
ali@0:     <xsl:copy-of select="."/>
ali@0:   </xsl:for-each>
ali@0: </xsl:variable>
ali@0: 
ali@0: <xsl:template match="/">
ali@0:   <users>
ali@0:     <xsl:for-each select="exsl:node-set($sorted_users)/user">
ali@0:       <xsl:if test="not(. = following-sibling::user[1])">
ali@0: 	<user>
ali@0: 	  <xsl:value-of select="."/>
ali@0: 	  <xsl:text>@users.sourceforge.net</xsl:text>
ali@0: 	</user>
ali@0:       </xsl:if>
ali@0:     </xsl:for-each>
ali@0:   </users>
ali@0: </xsl:template>
ali@0: 
ali@0: </xsl:stylesheet>