README: document trouble with tricky packages, and submodules

[nailing-cargo.git] / markdown-toc-filter

diff --git a/markdown-toc-filter b/markdown-toc-filter
index 8bb87f74d34b2d18e39a2556642cd4ff9608c4ac..526275da79b5ff7339bf70a50bec62f962d79c81 100755 (executable)
--- 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;
 }