fix

pos_keyboard/__openerp__.py

@@ -3,10 +3,9 @@
     'name': "Keyboard support in Point Of Sale",
     'author': "IT-Projects LLC, Ivan Yelizariev",
     'summary': 'Module allows to use usual keyboard (not virtual one) in Point of Sale',
-    "website": "https://www.it-projects.info",
+    "website": "https://it-projects.info",
     'images': ['images/keyboard.png'],
     'category': 'Point Of Sale',
-    'license': 'LGPL-3',
     'version': '1.0.1',
     'depends': ['point_of_sale'],
     'data': [

pos_keyboard/static/src/js/pos.js

@@ -159,11 +159,6 @@ function pos_keyboard_widgets(instance, module){
                         self.data.type = type.backspace;
                         ok = true;
                     }
-                    else {
-                        self.data.type = undefined;
-                        self.data.val = undefined;
-                        ok = false;
-                    } 
 
                     if (is_number) {
                         if (timeStamp + 50 > new Date().getTime()) {