diff --git a/website/_dogfooding/_pages tests/markdownPageTests.md b/website/_dogfooding/_pages tests/markdownPageTests.md
index 8dcbf82a8224..323c741ee3e2 100644
--- a/website/_dogfooding/_pages tests/markdownPageTests.md	
+++ b/website/_dogfooding/_pages tests/markdownPageTests.md	
@@ -162,6 +162,16 @@ function Clock(props) {
 
 ## Custom heading ID {#custom}
 
+### Weird heading {#你好}
+
+### Weird heading {#2022.1.1}
+
+### Weird heading {#a#b}
+
+### Weird heading {#a b}
+
+### Weird heading {#a{b}
+
 ## Pipe
 
 Code tag + double pipe: <code>&#124;&#124;</code>