:art: fix #928

CHANGELOG.md

@@ -98,7 +98,7 @@
 
 ### v3.8.2 / 2021-02-xx
 
-* [928](https://github.com/Vanessa219/vditor/issues/928) Mathjax 添加 license `文档相关`
+* [928](https://github.com/Vanessa219/vditor/issues/928) Mathjax 资源缺失及添加 license `修复缺陷`
 * [720](https://github.com/Vanessa219/vditor/issues/720) 在光标位置插入内容的问题 `改进功能`
 * [751](https://github.com/Vanessa219/vditor/issues/751) firefox 代码块中 enter 键换行问题 `修复缺陷`
 * [923](https://github.com/Vanessa219/vditor/issues/923) 隐藏预览操作栏 `改进功能`

src/js/mathjax/sre/sre-node.js

@@ -0,0 +1,11 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var SRE = require("speech-rule-engine");
+global.SRE = SRE;
+global.sre = Object.create(SRE);
+global.sre.Engine = {
+    isReady: function () {
+        return SRE.engineReady();
+    }
+};
+//# sourceMappingURL=sre-node.js.map