diff --git a/modules/basic-page-elements.xml b/modules/basic-page-elements.xml
index 51385df..3bc4d9e 100644
--- a/modules/basic-page-elements.xml
+++ b/modules/basic-page-elements.xml
@@ -220,7 +220,7 @@
 				</xsl:when>
 				<xsl:otherwise>
 					<xsl:message terminate="yes">
-						<xsl:text>Invalid skip expression for LaTeX: "</xsl:text>
+						<xsl:text>Invalid vertical skip expression for LaTeX: "</xsl:text>
 						<xsl:value-of select="@size" />
 						<xsl:text>" (valid values are "small", "medium", "large", "fill", or a LaTeX length, e.g., "24pt")</xsl:text>
 					</xsl:message>
@@ -236,6 +236,41 @@
 	
 	
 	<!--
+		Skip a certain amount of space horizontally. Probably more relevant to LaTeX than HTML. Is it even possible to hskip a set amount in HTML?? I suppose you could create an empty <span> element with a specified width.
+		
+		@size: the amount of space to skip.
+			missing => ERROR [default]
+			'fill' => \hfill
+			LaTeX length => \hskipxx
+	-->
+	<template name="horizontal-skip" match="horizontal-skip|hskip">
+		<common formats="/latex/xelatex/">
+			<xsl:choose>
+				<xsl:when test="@size='fill'">
+					<xsl:text>\hfill</xsl:text>
+				</xsl:when>
+				<!-- Check for valid LaTeX length format, e.g., "2.54cm". -->
+				<xsl:when test="matches( @size, '^\d*\.?\d+(cm|em|ex|in|pc|pt|mm|bp)$' )">
+					<xsl:text>\hskip</xsl:text>
+					<xsl:value-of select="@size" />
+				</xsl:when>
+				<xsl:otherwise>
+					<xsl:message terminate="yes">
+						<xsl:text>Invalid horizontal skip expression for LaTeX: "</xsl:text>
+						<xsl:value-of select="@size" />
+						<xsl:text>" (must either be "fill" or a LaTeX length, e.g., "24pt")</xsl:text>
+					</xsl:message>
+				</xsl:otherwise>
+			</xsl:choose>
+			<xsl:call-template name="newline-internal" />
+		</common>
+		<common formats="/html/xhtml/">
+			<!-- For the moment we'll just ignore this for (X)HTML :). -->
+		</common>
+	</template>
+	
+	
+	<!--
 	    Generate a horizontal rule the width of the column.
 	-->
 	<template name="horizontal-rule" match="horizontal-rule|hrule|hr">