<?xml version="1.0" encoding="UTF-8"?>

<xsl:stylesheet

version="1.0"

xmlns:xsl="http://www.w3.org/1999/XSL/Transform"

xmlns:lxir="http://www.latex-lxir.org"

xmlns:mathml="http://www.w3.org/1998/Math/MathML"

exclude-result-prefixes="lxir mathml">

<xsl:template match="mathml:math">

<xsl:copy>

<xsl:apply-templates mode="math" select="@* | * | text()"/>

</xsl:copy>

</xsl:template>

<xsl:template match="mathml:math/@type" mode="math">

<xsl:attribute name="display"><xsl:value-of select="."/></xsl:attribute>

</xsl:template>

<!--

The LaTeX sources contain code like

text$_1$

i.e. a inline math "block" without base for the subscript.

This cannot be expressed directly in MathML, since MathML's

<msub> requires a base.

Therefore, LXir translates it to _{<math>...</math>}

-->

<xsl:template match=" sub[count(*) = 1 and ./mathml:math]

| sup[count(*) = 1 and ./mathml:math]">

<xsl:copy>

<xsl:apply-templates mode="math" select="@* | * | text()"/>

</xsl:copy>

</xsl:template>

<xsl:template match="@* | * | text()" mode="math">

<xsl:copy>

<xsl:apply-templates mode="math" select="@* | * | text()"/>

</xsl:copy>

</xsl:template>

</xsl:stylesheet>