<embeddedLabel/> was skipping the content, resulting in <i>:</i>. Oops.
And since <embeddedLabel/> generates <i/>, validation was failing within
<para/>, so add it.
<xs:complexType mixed="true">
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element ref="block" />
+ <xs:element ref="i" />
<xs:element ref="format" />
<xs:element ref="see" />
<xs:element ref="geq" />
<xsl:template match="authoring:embeddedLabel">
<i>
- <xsl:value-of select="*" />
+ <xsl:value-of select="." />
<xsl:text>:</xsl:text>
</i>
</xsl:template>