</m:mrow>
</m:mtd>
</m:mtr>
- <xsl:for-each select="piecewise/piece">
+ <xsl:for-each select="m:piecewise/m:piece">
<xsl:variable name="charlength"><xsl:apply-templates select="./*[2]" mode="charcount"><xsl:with-param name="nosibling" select="1"/></xsl:apply-templates></xsl:variable>
<m:mtr>
<m:mtd>
<xsl:apply-templates select="*[position()=3]"/>
<m:mphantom><m:mtext>_</m:mtext></m:mphantom>
<m:mo>OF</m:mo>
- <xsl:for-each select="piecewise/piece">
+ <xsl:for-each select="m:piecewise/m:piece">
<xsl:choose>
<xsl:when test="position() != 1">
<m:mo stretchy="false">|</m:mo>
<xsl:param name="nosibling" select="0"/>
<xsl:choose>
<xsl:when test="count(child::*) = 0">
- <xsl:value-of select="$incurrent_length"/>
+ <!-- tremendous bug fixed. An empty element can still have siblings!!! -->
+ <xsl:variable name="siblength"><xsl:apply-templates select="following-sibling::*[position()=1]" mode="charcount"><xsl:with-param name="incurrent_length" select="$incurrent_length"/></xsl:apply-templates></xsl:variable>
+ <xsl:choose>
+ <xsl:when test="string($siblength) = """>
+ <xsl:value-of select="$incurrent_length"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="number($siblength)"/>
+ </xsl:otherwise>
+ </xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="childlength"><xsl:apply-templates select="*[position()=1]" mode="charcount"><xsl:with-param name="incurrent_length" select="$incurrent_length"/><xsl:with-param name="nosibling" select="0"/></xsl:apply-templates></xsl:variable>