From a1a2119e3750dbadf55e1130ef6780e1e4aadfdb Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Sat, 11 Apr 2026 11:07:59 +0300
Subject: [PATCH] fix(server): indentation in HTML not preserved (closes #3151)

---
 apps/server/src/services/html_sanitizer.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/apps/server/src/services/html_sanitizer.ts b/apps/server/src/services/html_sanitizer.ts
index 7e2e41b150..f304dcf150 100644
--- a/apps/server/src/services/html_sanitizer.ts
+++ b/apps/server/src/services/html_sanitizer.ts
@@ -49,7 +49,10 @@ function sanitize(dirtyHtml: string) {
         allowedStyles: {
             "*": {
                 color: colorRegex,
-                "background-color": colorRegex
+                "background-color": colorRegex,
+                "margin-left": sizeRegex,
+                "padding-left": sizeRegex,
+                "text-align": [/^\s*(left|center|right|justify)\s*$/]
             },
             figure: {
                 float: [/^\s*(left|right|none)\s*$/],