diff --git a/format-master.xml b/format-master.xml
index 4d1c25c..23e4679 100755
--- a/format-master.xml
+++ b/format-master.xml
@@ -225,6 +225,10 @@
 		<latex>\textbf{<xsl:apply-templates/>}</latex>
 		<html><B><xsl:apply-templates/></B></html>
 	</template>
+	<template name="underline" match="underline">
+		<latex>\underline{<xsl:apply-templates/>}</latex>
+		<html><U><xsl:apply-templates/></U></html>
+	</template>
 	<template name="term" match="term">
 		<latex>\term{<xsl:apply-templates/>}</latex>
 		<html><I CLASS="term"><xsl:apply-templates/></I></html>
