From f22527fdaf0d9e5dd2ad75671106a1327f801b95 Mon Sep 17 00:00:00 2001
From: Miika Turkia <miika.turkia@gmail.com>
Date: Sun, 10 Mar 2013 21:32:10 +0200
Subject: Fix XSLT when no weight system is given

Summing up weights ended only when there was one parameter left. With no
parameters we ended up in an infinite loop. Now we end also in case of
no parameters.

Signed-off-by: Miika Turkia <miika.turkia@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 xslt/commonTemplates.xsl | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'xslt')

diff --git a/xslt/commonTemplates.xsl b/xslt/commonTemplates.xsl
index cd4ee993e..ba649970a 100644
--- a/xslt/commonTemplates.xsl
+++ b/xslt/commonTemplates.xsl
@@ -112,9 +112,16 @@
 
     <xsl:variable name="value" select="substring-before($values[1], ' ')"/>
     <xsl:choose>
+
+      <!-- No input -->
+      <xsl:when test="count($values) = 0"/>
+
+      <!-- Handling last value -->
       <xsl:when test="count($values) = 1">
         <xsl:value-of select="format-number($value + $sum, '#.#')"/>
       </xsl:when>
+
+      <!-- More than one value to sum -->
       <xsl:otherwise>
         <xsl:call-template name="sum">
           <xsl:with-param name="values" select="$values[position() &gt; 1]"/>
-- 
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