increase line-height in table footer

xml/pg_view_style.xsl

@@ -116,7 +116,7 @@ span.engraved {
               </xsl:for-each>
             </tr>
           </xsl:for-each>
-        <tfoot>
+        <tfoot style="line-height: 1.4">
         <tr>
           <td colspan="3">
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