From 3f05bcef2e272f2f8f1288145b8e32bb2860874e Mon Sep 17 00:00:00 2001
From: Tom Parker-Shemilt <palfrey@tevp.net>
Date: Sun, 31 Jul 2022 20:32:03 +0100
Subject: [PATCH] Allow toc comment markers

---
 src/main.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 754b8d8..fb3e941 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -597,10 +597,13 @@ async fn main() -> Result<(), Error> {
                 }
             }
             Event::Html(content) => {
-                return Err(format_err!(
-                    "Contains HTML content, not markdown: {}",
-                    content
-                ));
+                // Allow ToC markers, nothing else
+                if !content.contains("<!-- toc") {
+                    return Err(format_err!(
+                        "Contains HTML content, not markdown: {}",
+                        content
+                    ));
+                }
             }
             _ => {}
         }