spurious .sp in manpages

This is just a random hack to work around problems people seem
to be seeing in manpage backend of xmlto (it appears we are
getting ".sp" at the end of line without line break).

Could people test this out?

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/callouts.xsl

@@ -13,4 +13,18 @@
 	<xsl:apply-templates/>
 	<xsl:text>.br&#10;</xsl:text>
 </xsl:template>
+
+<!-- sorry, this is not about callouts, but attempts to work around
+ spurious .sp at the tail of the line docbook stylesheets seem to add -->
+<xsl:template match="simpara">
+  <xsl:variable name="content">
+    <xsl:apply-templates/>
+  </xsl:variable>
+  <xsl:value-of select="normalize-space($content)"/>
+  <xsl:if test="not(ancestor::authorblurb) and
+                not(ancestor::personblurb)">
+    <xsl:text>&#10;&#10;</xsl:text>
+  </xsl:if>
+</xsl:template>
+
 </xsl:stylesheet>