From 6dc335ae0a77ab24ff800d74969b068c1986ce3e Mon Sep 17 00:00:00 2001
From: Max P <Mail@MPassarello.de>
Date: Thu, 30 Nov 2023 18:32:06 +0100
Subject: [PATCH] =?UTF-8?q?If=20there=20is=20no=20ID=20for=20a=20heading,?=
 =?UTF-8?q?=20an=20ID=20is=20generated=20from=20the=20content=20of=20the?=
 =?UTF-8?q?=20heading.=20In=20the=20case=20of=20repeated=20headings=20(e.g?=
 =?UTF-8?q?.=20=E2=80=9CSummary=E2=80=9D),=20this=20leads=20to=20an=20ambi?=
 =?UTF-8?q?guous=20ID.?=
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The problem is solved by adding the index of all headings to the ID generated in this case.

Changes to
- PHP:
   If the ID does not exist, the given index is appended to the generated ID.
---
 TableOfContents.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/TableOfContents.php b/TableOfContents.php
index 1fc5f2c..68b1abc 100644
--- a/TableOfContents.php
+++ b/TableOfContents.php
@@ -222,7 +222,7 @@ private function getList($document, $headers, &$index = 0)
                 // Add missing id's to the h tags
                 $id = $curr_header->getAttribute('id');
                 if ($id === "") {
-                    $id = $this->slugify($curr_header->nodeValue);
+                    $id = $this->slugify($curr_header->nodeValue) . '-' . $index;
                     $curr_header->setAttribute('id', $id);
                 }