TeX and CSS tweaks.

Sync with latest Instiki Trunk
(Updates Rails to 1.2.2)

vendor/rails/actionwebservice/test/test_invoke_test.rb

@@ -2,6 +2,7 @@ require File.dirname(__FILE__) + '/abstract_unit'
 require 'action_web_service/test_invoke'
 
 class TestInvokeAPI < ActionWebService::API::Base
+  api_method :null
   api_method :add, :expects => [:int, :int], :returns => [:int]
 end
 
@@ -14,6 +15,9 @@ class TestInvokeService < ActionWebService::Base
     @invoked = true
     a + b
   end
+  
+  def null
+  end
 end
 
 class TestController < ActionController::Base
@@ -29,6 +33,9 @@ class TestInvokeDirectController < TestController
     @invoked = true
     @method_params[0] + @method_params[1]
   end
+
+  def null
+  end
 end
 
 class TestInvokeDelegatedController < TestController
@@ -97,4 +104,9 @@ class TestInvokeTest < Test::Unit::TestCase
     assert_raise(ArgumentError) { invoke :add, 1 }
   end
   
+  def test_with_no_parameters_declared
+    @controller = TestInvokeDirectController.new
+    assert_nil invoke(:null)
+  end
+  
 end