From cbda51a74fa6f3ca583f12458ff5e175a3ad8934 Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Thu, 1 May 2025 10:04:48 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/12571

---
 app/src/protyle/preview/index.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/app/src/protyle/preview/index.ts b/app/src/protyle/preview/index.ts
index befa890ca..afef5317a 100644
--- a/app/src/protyle/preview/index.ts
+++ b/app/src/protyle/preview/index.ts
@@ -238,6 +238,15 @@ export class Preview {
             await window.MathJax.startup.promise;
             copyElement.querySelectorAll('[data-subtype="math"]').forEach(mathElement => {
                 const node = window.MathJax.tex2svg(Lute.UnEscapeHTMLStr(mathElement.getAttribute("data-content")).trim(), {display: mathElement.tagName === "DIV"});
+                node.querySelectorAll("use").forEach(item => {
+                    const useTarget = node.querySelector(item.getAttribute("xlink:href"));
+                    if (useTarget) {
+                        useTarget.setAttribute("transform", item.getAttribute("transform") || "");
+                        item.outerHTML = useTarget.outerHTML;
+                    }
+                });
+                node.querySelector("mjx-assistive-mml")?.remove();
+                node.querySelector("defs")?.remove();
                 mathElement.innerHTML = "";
                 mathElement.append(node);
             });