<xsl:apply-templates select="*[2]"/>
<m:mo stretchy="false">{</m:mo>
<xsl:for-each select="*[(position()>2) and (position() mod 2 = 1)]">
- <xsl:apply-templates/>
+ <xsl:apply-templates select="."/>
<m:mo stretchy="false">:=</m:mo>
<xsl:apply-templates select="following-sibling::*[position() = 1]"/>
</xsl:for-each>