diff --git a/doc/src/sgml/Makefile b/doc/src/sgml/Makefile
index 0401a515df8..3be29dba9f1 100644
--- a/doc/src/sgml/Makefile
+++ b/doc/src/sgml/Makefile
@@ -169,10 +169,14 @@ XSLTPROC_FO_FLAGS += --stringparam img.src.path '$(srcdir)/'
 %-A4.fo: stylesheet-fo.xsl %.sgml $(ALLSGML)
 	$(XMLLINT) $(XMLINCLUDE) --noout --valid $(word 2,$^)
 	$(XSLTPROC) $(XMLINCLUDE) $(XSLTPROCFLAGS) $(XSLTPROC_FO_FLAGS) --stringparam paper.type A4 -o $@ $(wordlist 1,2,$^)
+	$(XSLTPROC) $(XMLINCLUDE) $(XSLTPROCFLAGS) -o $@.tmp $(@D)/pg-customize-fo.xsl $@
+	mv $@.tmp $@
 
 %-US.fo: stylesheet-fo.xsl %.sgml $(ALLSGML)
 	$(XMLLINT) $(XMLINCLUDE) --noout --valid $(word 2,$^)
 	$(XSLTPROC) $(XMLINCLUDE) $(XSLTPROCFLAGS) $(XSLTPROC_FO_FLAGS) --stringparam paper.type USletter -o $@ $(wordlist 1,2,$^)
+	$(XSLTPROC) $(XMLINCLUDE) $(XSLTPROCFLAGS) -o $@.tmp $(@D)/pg-customize-fo.xsl $@
+	mv $@.tmp $@
 
 %.pdf: %.fo $(ALL_IMAGES)
 	$(FOP) -fo $< -pdf $@
diff --git a/doc/src/sgml/pg-customize-fo.xsl b/doc/src/sgml/pg-customize-fo.xsl
new file mode 100644
index 00000000000..ba3138e2a3d
--- /dev/null
+++ b/doc/src/sgml/pg-customize-fo.xsl
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet xmlns:fo="http://www.w3.org/1999/XSL/Format" version="1.0"
+    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+
+  <xsl:template match="@*|node()">
+    <xsl:copy>
+      <xsl:apply-templates select="@*|node()"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <xsl:template match="fo:block//text()">
+    <xsl:choose>
+      <xsl:when test='contains(., "&#8594;")'>
+        <xsl:call-template name="shift_arrow_up">
+          <xsl:with-param name="text" select="."/>
+        </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="."/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+  <xsl:template name="shift_arrow_up">
+    <xsl:param name="text" />
+    <xsl:choose>
+      <xsl:when test='contains($text, "&#8594;")'>
+        <xsl:call-template name="shift_arrow_up">
+          <xsl:with-param name="text" select='substring-before($text, "&#8594;")'/>
+        </xsl:call-template>
+        <fo:inline baseline-shift="10%">&#8594;</fo:inline>
+        <xsl:call-template name="shift_arrow_up">
+          <xsl:with-param name="text" select='substring-after($text, "&#8594;")'/>
+        </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:value-of select="$text"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:template>
+
+</xsl:stylesheet>