From 7e67cabc888aef9de58551dffa2d86c675cd8f7f Mon Sep 17 00:00:00 2001
From: Georg Brandl <georg@python.org>
Date: Sun, 16 Nov 2008 13:11:18 +0100
Subject: [PATCH] Add "alt" attribute to be valid HTML.

---
 sphinx/templates/modindex.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sphinx/templates/modindex.html b/sphinx/templates/modindex.html
index 692013578..d6b505da7 100644
--- a/sphinx/templates/modindex.html
+++ b/sphinx/templates/modindex.html
@@ -46,7 +46,7 @@
    <tr{% if indent %} class="cg-{{ cgroup }}"{% endif %}>
      <td>{% if collapse -%}
        <img src="{{ pathto('_static/minus.png', 1) }}" id="toggle-{{ cgroup }}"
-            class="toggler" style="display: none" />
+            class="toggler" style="display: none" alt="-" />
          {%- endif %}</td>
      <td>{% if indent %}&nbsp;&nbsp;&nbsp;{% endif %}
      {% if fname %}<a href="{{ fname }}">{% endif -%}