From 05062fa166f20af4b4d05bba92e01584887da101 Mon Sep 17 00:00:00 2001
From: Marina Glancy <marina@moodle.com>
Date: Wed, 7 May 2014 15:39:36 +0800
Subject: [PATCH] MDL-45414 wiki: blank image for page index icons

---
 mod/wiki/locallib.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mod/wiki/locallib.php b/mod/wiki/locallib.php
index 7bfc79e1d29..9569ed5bbfb 100644
--- a/mod/wiki/locallib.php
+++ b/mod/wiki/locallib.php
@@ -1420,7 +1420,8 @@ function wiki_build_tree($page, $node, &$keys) {
     $content = array();
     static $icon = null;
     if ($icon === null) {
-        $icon = new pix_icon('f/text-24', '');
+        // Substitute the default navigation icon with empty image.
+        $icon = new pix_icon('spacer', '');
     }
     $pages = wiki_get_linked_pages($page->id);
     foreach ($pages as $p) {