Enha: attempt to do modal popup of clue; must be a better way

handlers/auth.go

@@ -49,7 +49,10 @@ func HandleNameCheck(w http.ResponseWriter, r *http.Request) {
 }
 
 func HandleFrontLogin(w http.ResponseWriter, r *http.Request) {
-	r.ParseForm()
+	if err := r.ParseForm(); err != nil {
+		abortWithError(w, err.Error())
+		return
+	}
 	username := r.PostFormValue("username")
 	if username == "" {
 		msg := "username not provided"