def delete(self, id):

        """DELETE /permissions/id: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('permission', id=ID),

        #           method='delete')

        # url('permission', id=ID)

    def show(self, id, format='html'):

        """GET /permissions/id: Show a specific item"""

        # url('permission', id=ID)

    def edit(self, id, format='html'):

        """GET /permissions/id/edit: Form to edit an existing item"""

        #url('edit_permission', id=ID)

        c.perms_choices = self.perms_choices

        c.register_choices = self.register_choices

        c.create_choices = self.create_choices

        if id == 'default':

            defaults = {'_method':'put'}

                if p.permission.permission_name.startswith('repository.'):

                    defaults['default_perm'] = p.permission.permission_name

                if p.permission.permission_name.startswith('hg.register.'):

                    defaults['default_register'] = p.permission.permission_name

                if p.permission.permission_name.startswith('hg.create.'):

                    defaults['default_create'] = p.permission.permission_name

            return htmlfill.render(

                        render('admin/permissions/permissions.html'),

                        defaults=defaults,

                        encoding="UTF-8",

                        force_defaults=True,)

        else:

            return redirect(url('admin_home'))