T('Add') in grid, thanks Tito Garrido

gluon/html.py

@@ -520,8 +520,7 @@ class XmlComponent(object):
         c = self['_class']
         classes = (set(c.split()) if c else set()) - set(name.split())
         self['_class'] = ' '.join(classes) if classes else None
-        return self
-
+        return self    
 
 class XML(XmlComponent):
     """

gluon/sqlhtml.py

@@ -1786,7 +1786,7 @@ class SQLFORM(FORM):
                 session.flash = T('not authorized')
                 redirect(referrer)
 
-        def gridbutton(buttonclass='buttonadd', buttontext='Add',
+        def gridbutton(buttonclass='buttonadd', buttontext=T('Add'),
                        buttonurl=url(args=[]), callback=None,
                        delete=None, trap=True):
             if showbuttontext:
@@ -1997,7 +1997,7 @@ class SQLFORM(FORM):
         if create:
             add = gridbutton(
                 buttonclass='buttonadd',
-                buttontext='Add',
+                buttontext=T('Add'),
                 buttonurl=url(args=['new', tablename]))
             if not searchable:
                 console.append(add)