handling leading text nodes in UBER w/ standard XSLT processing

a-uber-leading-text.xml

<uber version="1.0">
    <data name="description">
        My name is
        <data name="name">Stephen</data>
    </data>
</uber>

b-transform.xml

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="xml" indent="yes"/>
    
    <xsl:template match="node()">
        <xsl:apply-templates select="node()" />
    </xsl:template>

    <xsl:template match="uber">
        <div id="uber">
            <xsl:apply-templates select="node()" />
        </div>
    </xsl:template>

    <xsl:template match="data">
        <span class="{@name}">
            <xsl:copy-of select="text()" />
            <xsl:apply-templates select="node()" />
        </span>
    </xsl:template>

</xsl:stylesheet>

c-output.html

<div id="uber">
  <span class="description">
        My name is
        
    <span class="name">Stephen</span></span>
</div>