From 04a3d3e90d3dcbe1fbbb82441cf14c9f99fd2fed Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@netways.de>
Date: Wed, 13 Apr 2016 14:49:34 +0200
Subject: [PATCH] Fix issue w/ duplicate section IDs

fixes #11580
---
 modules/doc/library/Doc/DocParser.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/doc/library/Doc/DocParser.php b/modules/doc/library/Doc/DocParser.php
index 5b4986b45..ac98584b6 100644
--- a/modules/doc/library/Doc/DocParser.php
+++ b/modules/doc/library/Doc/DocParser.php
@@ -133,9 +133,11 @@ class DocParser
      */
     protected function uuid($id, $filename, SimpleTree $tree)
     {
-        if ($tree->getNode($id) !== null) {
-            $id = $id . '-' . md5($filename);
+        $id = str_replace(' ', '-', $id);
+        if ($tree->getNode($id) === null) {
+            return $id;
         }
+        $id = $id . '-' . md5($filename);
         $offset = 0;
         while ($tree->getNode($id)) {
             if ($offset++ === 0) {