Approach & Algorithim (cont.)

• Illustrative XSLT:

<xsl:when test="sup or inf">

<xsl:for-each select="child::node()">

<xsl:choose>

<xsl:when test="name(self::node())='sup' and name(following-sibling::node()[1])='inf'">

<xsl:element name="msubsup” namespace=“http://www.w3.org/…”>

<xsl:element name="mrow” namespace=“http://www.w3.org/…”>

<xsl:apply-templates select="preceding-sibling::node()[1]"/>

</xsl:element>

<xsl:element name="mrow” namespace=“http://www.w3.org/…”>

<xsl:apply-templates select="following-sibling::node()[1]"/>

</xsl:element>

<xsl:element name="mrow" namespace=“http://www.w3.org/…”>

<xsl:apply-templates select="self::node()"/>

</xsl:element>

</xsl:element>

</xsl:when>

. . . THERE ARE FOUR MORE CASES TO HANDLE !

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