From 117e501ba8c02ed60e240710b250706d7d6a9491 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 23 Dec 2023 20:35:50 +0000
Subject: [PATCH] OK, now it doesn't.

Looks as if the only problem there was trying to link the document
root to itself.
---
 src/html.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/html.rs b/src/html.rs
index 6a01cd8..3952578 100644
--- a/src/html.rs
+++ b/src/html.rs
@@ -153,6 +153,7 @@ impl TreeSink for Tree {
     fn append(&mut self, parent: &Handle, child: NodeOrText<Handle>) {
         let parent = *parent;
         let child = self.not2handle(child);
+        if parent == child { return }
         let check_index = {
             let children = match self.nodes[parent].contents {
                 TreeNodeContents::Element {
@@ -290,6 +291,5 @@ fn render_read(mut input: impl std::io::Read) -> Tree {
 
 pub fn render<R: Receiver>(html: &str, receiver: &mut R) {
     let tree = render_read(html.as_bytes());
-    dbg!(&tree);
     tree.walk_recurse(0, receiver);
 }
-- 
2.30.2