Synopsis

<xsl:template match="area" mode="generate.area.arearef">
<xsl:variable name="units">
			<xsl:choose>
				<xsl:when test="@units!=''">
					<xsl:value-of select="@units"/>
				</xsl:when>
				<xsl:when test="../@units!=''">
					<xsl:value-of select="../@units"/>
				</xsl:when>
				<xsl:when test="../../@units!=''">
					<xsl:value-of select="../../@units"/>
				</xsl:when>
			</xsl:choose>
		</xsl:variable>
  ...
</xsl:template><xsl:template match="area" mode="generate.arearef">
<xsl:param name="units"/>
  ...
</xsl:template><xsl:template match="area" mode="generate.arearef.calspair"/><xsl:template match="area" mode="generate.arearef.linerange"/><xsl:template match="area"/><xsl:template match="area" mode="generate.area.areamark">
<xsl:variable name="units">
			<xsl:choose>
				<xsl:when test="@units!=''">
					<xsl:value-of select="@units"/>
				</xsl:when>
				<xsl:when test="../@units!=''">
					<xsl:value-of select="../@units"/>
				</xsl:when>
				<xsl:when test="../../@units!=''">
					<xsl:value-of select="../../@units"/>
				</xsl:when>
			</xsl:choose>
		</xsl:variable>
  ...
</xsl:template><xsl:template match="area" mode="generate.areamark">
<xsl:param name="units"/>
  ...
</xsl:template><xsl:template match="area" mode="generate.areamark.calspair"/><xsl:template match="area" mode="generate.area.areasymbol">
<xsl:param name="linkends" select="normalize-space(@linkends)"/>
  ...
</xsl:template>