change edge tts _SSMLTemplate

app/utils/ms_edge_tts.ts

@@ -233,17 +233,9 @@ export class MsEdgeTTS {
   }
 
   private _SSMLTemplate(input: string, options: ProsodyOptions = {}): string {
-    // 对 input 进行特殊字符替换
-    input = input
-      .replace(/&/g, "&")
-      .replace(/</g, "&lt;")
-      .replace(/>/g, "&gt;");
-
-    // 合并默认选项与传入选项
+    // in case future updates to the edge API block these elements, we'll be concatenating strings.
     options = { ...new ProsodyOptions(), ...options };
-
-    return `
-        <speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xmlns:mstts="https://www.w3.org/2001/mstts" xml:lang="${this._voiceLocale}">
+    return `<speak version="1.0" xmlns="http://www.w3.org/2001/10/synthesis" xmlns:mstts="https://www.w3.org/2001/mstts" xml:lang="${this._voiceLocale}">
                 <voice name="${this._voice}">
                     <prosody pitch="${options.pitch}" rate="${options.rate}" volume="${options.volume}">
                         ${input}