<xsl:for-each-group select="./node()" group-starting-with="p | quote
| illustration">
			<xsl:choose>
				<xsl:when test="(name(current-group()[1])='p') or
(name(current-group()[1])='quote'))">

Such tests are better written as
                                <xsl:when test="self::p or self::quote">

	Martin Honnen
	http://msmvps.com/blogs/martin_honnen/