diff --git a/addons/base/controllers/main.py b/addons/base/controllers/main.py
index 9869adad92a..7098f7f8f90 100644
--- a/addons/base/controllers/main.py
+++ b/addons/base/controllers/main.py
@@ -237,7 +237,7 @@ def eval_context_and_domain(session, context, domain=None):
     # should we give the evaluated context as an evaluation context to the domain?
     e_domain = session.eval_domain(domain or [])
 
-    return (e_context, e_domain)
+    return e_context, e_domain
         
 def load_actions_from_ir_values(req, key, key2, models, meta, context):
     Values = req.session.model('ir.values')
@@ -438,21 +438,20 @@ class DataSet(openerpweb.Controller):
         return {'result': r}
 
     @openerpweb.jsonrequest
-    def unlink(self, request, model, ids=[]):
+    def unlink(self, request, model, ids=()):
         Model = request.session.model(model)
         return Model.unlink(ids, request.session.eval_context(request.context))
 
     def call_common(self, req, model, method, args, domain_id=None, context_id=None):
         domain = args[domain_id] if domain_id and len(args) - 1 >= domain_id  else []
         context = args[context_id] if context_id and len(args) - 1 >= context_id  else {}
-        c, d = eval_context_and_domain(req.session, context, domain);
-        if(domain_id and len(args) - 1 >= domain_id):
+        c, d = eval_context_and_domain(req.session, context, domain)
+        if domain_id and len(args) - 1 >= domain_id:
             args[domain_id] = d
-        if(context_id and len(args) - 1 >= context_id):
+        if context_id and len(args) - 1 >= context_id:
             args[context_id] = c
 
-        m = req.session.model(model)
-        return getattr(m, method)(*args)
+        return getattr(req.session.model(model), method)(*args)
 
     @openerpweb.jsonrequest
     def call(self, req, model, method, args, domain_id=None, context_id=None):
@@ -713,7 +712,7 @@ class Binary(openerpweb.Controller):
         for key, val in cherrypy.request.headers.iteritems():
             headers[key.lower()] = val
         size = int(headers.get('content-length', 0))
-        # TODO: might be usefull to have a configuration flag for max-lenght file uploads
+        # TODO: might be useful to have a configuration flag for max-length file uploads
         try:
             out = """<script language="javascript" type="text/javascript">
                         var win = window.top.window,
diff --git a/addons/base/static/src/js/list.js b/addons/base/static/src/js/list.js
index 31c16b98fc1..62bedf8784d 100644
--- a/addons/base/static/src/js/list.js
+++ b/addons/base/static/src/js/list.js
@@ -36,7 +36,7 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
      * @param {Boolean} [options.selectable=true] determines whether view rows are selectable (e.g. via a checkbox)
      * @param {Boolean} [options.header=true] should the list's header be displayed
      * @param {Boolean} [options.deletable=true] are the list rows deletable
-     * @param {null|String} [options.addable="New"] should the new-record button be displayed, and what should its label be. Use ``null`` to hide the button.
+     * @param {void|String} [options.addable="New"] should the new-record button be displayed, and what should its label be. Use ``null`` to hide the button.
      * @param {Boolean} [options.sortable=true] is it possible to sort the table by clicking on column headers
      * @param {Boolean} [options.reorderable=true] is it possible to reorder list rows
      *
@@ -232,7 +232,7 @@ openerp.base.ListView = openerp.base.View.extend( /** @lends openerp.base.ListVi
      * If the index is null, ``switch_to_record`` asks for the creation of a
      * new record.
      *
-     * @param {Number|null} index the record index (in the current dataset) to switch to
+     * @param {Number|void} index the record index (in the current dataset) to switch to
      * @param {String} [view="form"] the view type to switch to
      */
     select_record:function (index, view) {