From e0686902eb6ae0bec31a9d679602971822ba6381 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Thu, 5 May 2016 16:40:17 +0200
Subject: Only add workaround comment for empty `span` nodes

See paragraph 5 in 67162f80a77a41bc95d7de05a87f7ee9a21a121c
---
 utility/xhtml.xsl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/utility/xhtml.xsl b/utility/xhtml.xsl
index 8b768fa..2f54975 100644
--- a/utility/xhtml.xsl
+++ b/utility/xhtml.xsl
@@ -15,7 +15,9 @@
 	<span>
 		<xsl:copy-of select="@*"/>
 		<xsl:apply-templates select="node()" mode="xhtml"/>
-		<xsl:comment></xsl:comment>
+		<xsl:if test="not(node())">
+			<xsl:comment></xsl:comment>
+		</xsl:if>
 	</span>
 </xsl:template>
 
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