try parse responseText when responseXML is null

Hirohisa Yamaguchi · Hirohisa Yamaguchi · commit ba6159ec4341 · 2018-02-08T23:45:00.000+09:00
Microsoft Edge returns null when Content-Type does not suit see also: #5
diff --git a/m-xml.js b/m-xml.js
@@ -63,7 +63,7 @@ THE SOFTWARE.
 
             xhr.open("GET", source, false);
             xhr.send();
-            return xhr.responseXML;
+            return xhr.responseXML || parseXMLString(xhr.responseText);
         }
     }
     

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ THE SOFTWARE.`
`63`	`63`
`64`	`64`	`xhr.open("GET", source, false);`
`65`	`65`	`xhr.send();`
`66`		`- return xhr.responseXML;`
	`66`	`+ return xhr.responseXML \|\| parseXMLString(xhr.responseText);`
`67`	`67`	`}`
`68`	`68`	`}`
`69`	`69`