From 4ccb8983606fbb1a5fcfd242fd15aa6275a42aaf Mon Sep 17 00:00:00 2001
From: Jean-Philippe Lang <jp_lang@yahoo.fr>
Date: Tue, 14 Feb 2012 08:09:23 +0000
Subject: Fixed: {{toc}} uses identical anchors for subsections with the same
 name (#8194).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8871 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/helpers/application_helper.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'app/helpers')

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index ac59ae87f..83a28bc01 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -503,6 +503,7 @@ module ApplicationHelper
     text = Redmine::WikiFormatting.to_html(Setting.text_formatting, text, :object => obj, :attribute => attr)
 
     @parsed_headings = []
+    @heading_anchors = {}
     @current_section = 0 if options[:edit_section_links]
 
     parse_sections(text, project, obj, attr, only_path, options)
@@ -816,6 +817,11 @@ module ApplicationHelper
       anchor = sanitize_anchor_name(item)
       # used for single-file wiki export
       anchor = "#{obj.page.title}_#{anchor}" if options[:wiki_links] == :anchor && (obj.is_a?(WikiContent) || obj.is_a?(WikiContent::Version))
+      @heading_anchors[anchor] ||= 0
+      idx = (@heading_anchors[anchor] += 1)
+      if idx > 1
+        anchor = "#{anchor}-#{idx}"
+      end
       @parsed_headings << [level, anchor, item]
       "<a name=\"#{anchor}\"></a>\n<h#{level} #{attrs}>#{content}<a href=\"##{anchor}\" class=\"wiki-anchor\">&para;</a></h#{level}>"
     end
-- 
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