diff --git a/modules/mathematical-symbols.xml b/modules/mathematical-symbols.xml
index 9d1c80b..6cb2344 100755
--- a/modules/mathematical-symbols.xml
+++ b/modules/mathematical-symbols.xml
@@ -23,7 +23,7 @@
 
 	<template name="plus-operator" match="plus|plus-sign">
 		<!-- U+002B PLUS SIGN -->
-		<common>+</common>
+		<common><xsl:text>+</xsl:text></common>
 	</template>
 	
 
@@ -40,7 +40,7 @@
 	<!-- Subtraction binary operation symbol (−). -->
 
 	<template name="minus-operator" match="minus|subtract|minus-sign">
-		<common formats="/latex/xelatex/">\ensuremath{-}</common>
+		<common formats="/latex/xelatex/"><xsl:text>\ensuremath{-}</xsl:text></common>
 		<html><xsl:text disable-output-escaping="yes">&amp;minus;</xsl:text></html>
 		<!-- U+2212 MINUS SIGN -->
 		<xhtml><span class="unicode"><xsl:text>−</xsl:text></span></xhtml>
@@ -50,7 +50,7 @@
 	<!-- Division binary operation symbol (∕). -->
 
 	<template name="divide-operator" match="divide|division|division-slash">
-		<common formats="/latex/xelatex/">\ensuremath{/}</common>
+		<common formats="/latex/xelatex/"><xsl:text>\ensuremath{/}</xsl:text></common>
 		<html><xsl:text>/</xsl:text></html>
 		<!-- U+2215 DIVISION SLASH -->
 		<xhtml><span class="unicode"><xsl:text>∕</xsl:text></span></xhtml>
@@ -60,7 +60,7 @@
 	<!-- Equality relation symbol (=). -->
 
 	<template name="equals-operator" match="equals|eq|equals-sign|equality">
-		<common formats="/latex/xelatex/">\ensuremath{=}</common>
+		<common formats="/latex/xelatex/"><xsl:text>\ensuremath{=}</xsl:text></common>
 		<!-- U+003D EQUALS SIGN -->
 		<common formats="/html/xhtml/"><xsl:text> = </xsl:text></common>
 	</template>
@@ -89,7 +89,7 @@
 	<!-- Greater than relation symbol (>). -->
 
 	<template name="greater-than-operator" match="greater-than|gt|greater-than-sign">
-		<common formats="/latex/xelatex/">\ensuremath{&gt;}</common>
+		<common formats="/latex/xelatex/"><xsl:text>\ensuremath{&gt;}</xsl:text></common>
 		<!-- U+003E GREATER-THAN SIGN -->
 		<common formats="/html/xhtml/"><xsl:text disable-output-escaping="yes"> &amp;gt; </xsl:text></common>
 	</template>
@@ -108,7 +108,7 @@
 	<!-- Less than relation symbol (<). -->
 
 	<template name="less-than-operator" match="less-than|lt|less-than-sign">
-		<common formats="/latex/xelatex/"> \ensuremath{&lt;} </common>
+		<common formats="/latex/xelatex/"><xsl:text> \ensuremath{&lt;} </xsl:text></common>
 		<!-- U+003C LESS-THAN SIGN -->
 		<common formats="/html/xhtml/"><xsl:text disable-output-escaping="yes"> &amp;lt; </xsl:text></common>
 	</template>
@@ -117,7 +117,7 @@
 	<!-- Less than or equal to relation symbol (≤). -->
 
 	<template name="less-equals-operator" match="less-equals|le|less-than-or-equal-to">
-		<common formats="/latex/xelatex/"> \ensuremath{\leq} </common>
+		<common formats="/latex/xelatex/"><xsl:text> \ensuremath{\leq} </xsl:text></common>
 		<html><xsl:text disable-output-escaping="yes"> &amp;le; </xsl:text></html>
 		<!-- U+2264 LESS-THAN OR EQUAL TO -->
 		<xhtml><xsl:text> ≤ </xsl:text></xhtml>
@@ -163,7 +163,7 @@
 	<!-- Not-element-of relation symbol (∉). -->
 
 	<template name="not-element-sign" match="not-element-sign|not-element|not-element-of|is-not-element-of|is-not-an-element-of|not-an-element-of">
-		<common formats="/latex/xelatex/">\ensuremath{\not\in}</common>
+		<common formats="/latex/xelatex/"><xsl:text>\ensuremath{\not\in}</xsl:text></common>
 		<html><xsl:text disable-output-escaping="yes">&amp;notin;</xsl:text></html>
 		<!-- U+2209 NOT AN ELEMENT OF -->
 		<xhtml><span class="unicode"><xsl:text>∉</xsl:text></span></xhtml>
@@ -335,8 +335,8 @@
 		<common formats="/latex/xelatex/">
 			<xsl:text>\ensuremath{\</xsl:text>
 			<xsl:choose>
-				<xsl:when test="@weight='double'">R</xsl:when>
-				<xsl:otherwise>r</xsl:otherwise>
+				<xsl:when test="@weight='double'"><xsl:text>R</xsl:text></xsl:when>
+				<xsl:otherwise><xsl:text>r</xsl:text></xsl:otherwise>
 			</xsl:choose>
 			<xsl:text>ightarrow}</xsl:text>
 		</common>
@@ -374,8 +374,8 @@
 		<common formats="/latex/xelatex/">
 			<xsl:text>\ensuremath{\</xsl:text>
 			<xsl:choose>
-				<xsl:when test="@weight='double'">L</xsl:when>
-				<xsl:otherwise>l</xsl:otherwise>
+				<xsl:when test="@weight='double'"><xsl:text>L</xsl:text></xsl:when>
+				<xsl:otherwise><xsl:text>l</xsl:text></xsl:otherwise>
 			</xsl:choose>
 			<xsl:text>eftarrow}</xsl:text>
 		</common>
