From 7f2fcb7d20483895ca728f994525bda80616955e Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 19 Jun 2020 18:23:55 +0100
Subject: [PATCH] README.md: update-readme-toc: add autogeneration warning

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 README.md           | 2 ++
 markdown-toc-filter | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ce632da..e134d38 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,8 @@ $ nailing-cargo build
 Documentation table of contents
 -------------------------------
 
+<!-- TOC autogenerated by ./markdown-toc-filter, do not edit -->
+
   * [Introduction](#nailing-cargo)
     * [Installing](#installing)
     * [Most basic example usage](#most-basic-example-usage)
diff --git a/markdown-toc-filter b/markdown-toc-filter
index 8bb87f7..526275d 100755
--- a/markdown-toc-filter
+++ b/markdown-toc-filter
@@ -35,6 +35,10 @@ if (1..(m/^[A-Z]/ && m/table of contents/i)) {
 }
 
 END {
-  print "\n", @toc, "\n";
+  print <<END, @toc, "\n";
+
+<!-- TOC autogenerated by $0, do not edit -->
+
+END
   print @doc;
 }
-- 
2.30.2