Add sidebar titlepage placeholder attset for styles.

diff --git a/xsl/fo/titlepage.xsl b/xsl/fo/titlepage.xsl
index c797faefe939ca9e7947217d7866858ef05cffbf..cd10b2aebdf615ab9fe25f7e9d2522e1376afbae 100644 (file)
--- a/xsl/fo/titlepage.xsl
+++ b/xsl/fo/titlepage.xsl
@@ -82,6 +82,9 @@
 <xsl:attribute-set name="colophon.titlepage.recto.style"/>
 <xsl:attribute-set name="colophon.titlepage.verso.style"/>
 
+<xsl:attribute-set name="sidebar.titlepage.recto.style"/>
+<xsl:attribute-set name="sidebar.titlepage.verso.style"/>
+
 <xsl:attribute-set name="section.titlepage.recto.style">
   <xsl:attribute name="keep-together.within-column">always</xsl:attribute>
 </xsl:attribute-set>