From 5aaa6648f024a11e36d6e5f0e2ebb955eeb9661d Mon Sep 17 00:00:00 2001
From: Max Hilbrunner <mhilbrunner@users.noreply.github.com>
Date: Fri, 27 Oct 2023 00:39:13 +0200
Subject: [PATCH] Merge pull request #8334 from Repiteo/space-to-tab-v3

Reimplement space-to-tab regex without lookbehind
---
 _static/js/custom.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/_static/js/custom.js b/_static/js/custom.js
index 726bb81c4..4b434839c 100644
--- a/_static/js/custom.js
+++ b/_static/js/custom.js
@@ -299,8 +299,12 @@ $(document).ready(() => {
       // Only change indentation for GDScript and C++.
       continue;
     }
-    let html = codeBlock.innerHTML;
-    html = html.replace(/(?<=^(<span class="w">)?( {4})*)( {4})/gm, '\t');
+    let html = codeBlock.innerHTML.replace(/^(<span class="w">)?( {4})/gm, '\t');
+    let html_old = "";
+    while (html != html_old) {
+      html_old = html;
+      html = html.replace(/\t( {4})/gm, '\t\t')
+    }
     codeBlock.innerHTML = html;
   }