From afa81a914b65fccc8126db98bc3d3cf0987ede3d Mon Sep 17 00:00:00 2001
From: Bastian Kleineidam <calvin@debian.org>
Date: Sun, 27 Jan 2008 21:52:54 +0100
Subject: Fix traceback HTML syntax

Don't render empty <li> list elements due to empty traceback lines.

Signed-off-by: Bastian Kleineidam <calvin@debian.org>

diff --git a/django/views/debug.py b/django/views/debug.py
index 1193a81..09393a7 100644
--- a/django/views/debug.py
+++ b/django/views/debug.py
@@ -442,11 +442,11 @@ TECHNICAL_500_TEMPLATE = """
           {% if frame.context_line %}
             <div class="context" id="c{{ frame.id }}">
               {% if frame.pre_context %}
-                <ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
+                <ol start="{{ frame.pre_context_lineno }}" class="pre-context" id="pre{{ frame.id }}">{% for line in frame.pre_context %}{% if line %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endif %}{% endfor %}</ol>
               {% endif %}
               <ol start="{{ frame.lineno }}" class="context-line"><li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ frame.context_line|escape }} <span>...</span></li></ol>
               {% if frame.post_context %}
-                <ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endfor %}</ol>
+                <ol start='{{ frame.lineno|add:"1" }}' class="post-context" id="post{{ frame.id }}">{% for line in frame.post_context %}{% if line %}<li onclick="toggle('pre{{ frame.id }}', 'post{{ frame.id }}')">{{ line|escape }}</li>{% endif %}{% endfor %}</ol>
               {% endif %}
             </div>
           {% endif %}
-- 
1.5.3.8