From 757cbf1b8cb93a8186d53d623a4723e5c71e8f8b Mon Sep 17 00:00:00 2001
From: Michael Howell <michael@notriddle.com>
Date: Fri, 12 Jul 2024 04:00:42 -0700
Subject: [PATCH] Add simple panic messages

Fixes #200
---
 src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 45ba950..7576c54 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1788,8 +1788,8 @@ impl<'a> Builder<'a> {
                 .is_none());
         }
         for tag_name in &self.clean_content_tags {
-            assert!(!self.tags.contains(tag_name));
-            assert!(!self.tag_attributes.contains_key(tag_name));
+            assert!(!self.tags.contains(tag_name), "{tag_name} appears in clean_content_tags and in tags at the same time");
+            assert!(!self.tag_attributes.contains_key(tag_name), "{tag_name} appears in clean_content_tags and in tag_attributes at the same time");
         }
         let body = {
             let children = dom.document.children.borrow();