Synopsis

<xsl:template match="procedure" name="procedure">
<xsl:param name="mode" select="''"/>
<xsl:param name="environment">
			<xsl:choose>
				<xsl:when test="$mode='custom'">
					<xsl:text>description</xsl:text>
				</xsl:when>
				<xsl:otherwise>
					<xsl:text>enumerate</xsl:text>
				</xsl:otherwise>
			</xsl:choose>
		</xsl:param>
<xsl:variable name="placement">
			<xsl:call-template name="generate.formal.title.placement">
				<xsl:with-param name="object" select="local-name(.)"/>
			</xsl:call-template>
		</xsl:variable>
<xsl:variable name="preamble" select="node()[not(self::blockinfo or self::title or self::subtitle or self::titleabbrev or self::step)]"/>
  ...
</xsl:template>