From 26a6f95540540d9fb1ac07da55d3e97438afd8a2 Mon Sep 17 00:00:00 2001
From: Andrew Simachev <andrew.simachev@gmail.com>
Date: Fri, 6 Jun 2025 12:14:24 +0200
Subject: [PATCH] fix latex

---
 src/ts/component/form/editable.tsx |  2 +-
 src/ts/lib/util/common.ts          | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/ts/component/form/editable.tsx b/src/ts/component/form/editable.tsx
index c7bf30520f..1ad90f2343 100644
--- a/src/ts/component/form/editable.tsx
+++ b/src/ts/component/form/editable.tsx
@@ -98,7 +98,7 @@ const Editable = forwardRef<EditableRefProps, Props>(({
 	};
 
 	const setValue = (html: string) => {
-		$(editableRef.current).get(0).innerHTML = U.Common.sanitize(html);
+		$(editableRef.current).get(0).innerHTML = U.Common.sanitize(html, true);
 	};
 
 	const getTextValue = (): string => {
diff --git a/src/ts/lib/util/common.ts b/src/ts/lib/util/common.ts
index 735f3469ab..85a6734378 100644
--- a/src/ts/lib/util/common.ts
+++ b/src/ts/lib/util/common.ts
@@ -1324,7 +1324,7 @@ class UtilCommon {
 	 * @param {string} s - The string to sanitize.
 	 * @returns {string} The sanitized string.
 	 */
-	sanitize (s: string): string {
+	sanitize (s: string, withStyles?: boolean): string {
 		s = String(s || '');
 
 		if (!TEST_HTML.test(s)) {
@@ -1332,13 +1332,18 @@ class UtilCommon {
 		};
 
 		const tags = [ 'b', 'br', 'a', 'ul', 'li', 'h1', 'span', 'p', 'name', 'smile', 'img' ].concat(Object.values(Mark.getTags()));
-
-		return DOMPurify.sanitize(s, { 
+		const param: any = { 
 			ADD_TAGS: tags,
 			ADD_ATTR: [ 'contenteditable' ],
 			ALLOWED_URI_REGEXP: /^(?:(?:[a-z]+):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i,
-			FORBID_ATTR: [ 'style' ],
-		});
+			FORBID_ATTR: [],
+		};
+
+		if (!withStyles) {
+			param.FORBID_ATTR.push('style');
+		};
+
+		return DOMPurify.sanitize(s, param);
 	};
 
 	/**