sax: SAXParser.tag is of type Tag (#41763)

https://github.com/isaacs/sax-js/blob/d65e3bb5049893aaab4aba05198b9cd335b5a1ad/lib/sax.js#L684

types/sax/index.d.ts

@@ -3,6 +3,7 @@
 // Definitions by: Vincent Siao (Asana, Inc.) <https://github.com/vsiao>
 //                 Evert Pot <https://github.com/evert>
 //                 Daniel Cassidy <https://github.com/djcsdy>
+//                 Fabian van der Veen <https://github.com/fvanderveen>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 /// <reference types="node" />
 
@@ -63,7 +64,7 @@ export class SAXParser {
     closed: boolean;
     strict: boolean;
     opt: SAXOptions;
-    tag: string;
+    tag: Tag;
     ENTITIES: {[key: string]: string};
 
     // Events

types/sax/sax-tests.ts

@@ -140,7 +140,9 @@ import fs = require("fs");
         const attrValue: string = tag.attributes["name"];
     };
 
-    parser.onattribute = (attr: { name: string; value: string; }) => {};
+    parser.onattribute = (attr: { name: string; value: string; }) => {
+        const tag: sax.Tag = parser.tag;
+    };
 
     parser.onend = () => {};