<xsl:for-each select="//dc:contributor.editor_parsed|//dc:contributor.technical_editor_parsed[not(//dc:contributor.editor_parsed/text()=text())]">
<xsl:sort select="@sortkey" />
<xsl:if test="position() != 1">, </xsl:if>
<xsl:for-each select="//dc:contributor.editor_parsed|//dc:contributor.technical_editor_parsed[not(//dc:contributor.editor_parsed/text()=text())]">
<xsl:sort select="@sortkey" />
<xsl:if test="position() != 1">, </xsl:if>