Fix class attribute conditions
diff --git a/xslt/epub2i5.xsl b/xslt/epub2i5.xsl
index 74030f9..ea0f1a9 100644
--- a/xslt/epub2i5.xsl
+++ b/xslt/epub2i5.xsl
@@ -376,13 +376,13 @@
<xsl:apply-templates/>
</xsl:template>
- <xsl:template match="xhtml:b|xhtml:span[class='b']">
+ <xsl:template match="xhtml:b|xhtml:span[@class='b']">
<hi rend="bold">
<xsl:apply-templates/>
</hi>
</xsl:template>
- <xsl:template match="xhtml:i|xhtml:span[class='i']">
+ <xsl:template match="xhtml:i|xhtml:span[@class='i']">
<hi rend="italic">
<xsl:apply-templates/>
</hi>