From fdae403970d85751a3101c5e072eb463a79d8d6d Mon Sep 17 00:00:00 2001
From: Jeff Andersen <bluegate010@gmail.com>
Date: Sun, 30 Mar 2025 13:01:48 -0700
Subject: [PATCH] Allow underscores in section header identifiers

This allows TOCs generated with other tools (like https://github.com/derlin/bitdowntoc) to be compatible with the rendered output.

As-is, these TOC generators render section links with underscores, which are currently broken.
---
 extension.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extension.js b/extension.js
index e0e28a2..209d60b 100644
--- a/extension.js
+++ b/extension.js
@@ -304,7 +304,7 @@ function Slug(string) {
       string.trim()
             .toLowerCase()
             .replace(/\s+/g, '-') // Replace whitespace with -
-            .replace(/[\]\[\!\'\#\$\%\&\(\)\*\+\,\.\/\:\;\<\=\>\?\@\\\^\_\{\|\}\~\`。，、；：？！…—·ˉ¨‘’“”々～‖∶＂＇｀｜〃〔〕〈〉《》「」『』．〖〗【】（）［］｛｝]/g, '') // Remove known punctuators
+            .replace(/[\]\[\!\'\#\$\%\&\(\)\*\+\,\.\/\:\;\<\=\>\?\@\\\^\{\|\}\~\`。，、；：？！…—·ˉ¨‘’“”々～‖∶＂＇｀｜〃〔〕〈〉《》「」『』．〖〗【】（）［］｛｝]/g, '') // Remove known punctuators
             .replace(/^\-+/, '') // Remove leading -
             .replace(/\-+$/, '') // Remove trailing -
     );