similar to MediaWiki.
 Version:       0.1
 License:       PublicDomain
-Author:        PHO <phonohawk at ps dot sakura dot ne dot jp>
-Maintainer:    PHO <phonohawk at ps dot sakura dot ne dot jp>
+Author:        PHO <pho at cielonegro dot org>
+Maintainer:    PHO <pho at cielonegro dot org>
 Stability:     experimental
 Homepage:      http://rakka.cielonegro.org/
 Category:      Web
 
     where
 
 import qualified Codec.Binary.UTF8.String as UTF8
-import           Control.Arrow
-import           Control.Arrow.ArrowIO
-import           Control.Arrow.ArrowList
 import qualified Data.ByteString.Lazy as Lazy (ByteString)
 import qualified Data.ByteString.Lazy as L hiding (ByteString)
 import qualified Data.ByteString.Lazy.Char8 as L8 hiding (ByteString)
 import           Rakka.W3CDateTime
 import           Subversion.Types
 import           System.FilePath.Posix
-import           Text.XML.HXT.Arrow.XmlArrow
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow
 import           Text.XML.HXT.DOM.TypeDefs
 
 
                       , uiOldName     = oldName
                       }
 
-      
\ No newline at end of file
+      
 
     )
     where
 
-import           Control.Arrow
-import           Control.Arrow.ArrowIO
-import           Control.Arrow.ArrowIf
-import           Control.Arrow.ArrowList
 import           Control.Monad.Trans
 import           Data.Char
 import qualified Data.Map as M
 import           Rakka.Wiki.Engine
 import           System.FilePath
 import           Text.HyperEstraier hiding (getText)
-import           Text.XML.HXT.Arrow.Namespace
-import           Text.XML.HXT.Arrow.WriteDocument
-import           Text.XML.HXT.Arrow.XmlArrow
-import           Text.XML.HXT.Arrow.XmlIOStateArrow
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow
 import           Text.XML.HXT.DOM.TypeDefs
 import           Text.XML.HXT.DOM.XmlKeywords
 
 
 mkFeedURIStr :: URI -> PageName -> String
 mkFeedURIStr baseURI name
-    = uriToString id (mkFeedURI baseURI name) ""
\ No newline at end of file
+    = uriToString id (mkFeedURI baseURI name) ""
 
     where
 
 import qualified Codec.Binary.UTF8.String as UTF8
-import           Control.Arrow
-import           Control.Arrow.ArrowIO
-import           Control.Arrow.ArrowIf
-import           Control.Arrow.ArrowList
-import           Control.Arrow.ArrowTree
 import           Control.Monad.Trans
 import           Data.Maybe
 import           Data.Time
 import           Rakka.Wiki.Engine
 import           System.FilePath
 import           Text.HyperEstraier hiding (getText)
-import           Text.XML.HXT.Arrow.Namespace
-import           Text.XML.HXT.Arrow.XmlArrow
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow
 import           Text.XML.HXT.DOM.TypeDefs
 
 
 
     )
     where
 
-import           Control.Arrow
-import           Control.Arrow.ArrowList
-import           Control.Arrow.ArrowTree
 import           Data.Maybe
 import           Data.Time
 import           Network.URI
 import           Rakka.Attachment
 import           Rakka.Utils
 import           Rakka.W3CDateTime
-import           Text.XML.HXT.Arrow.XmlArrow
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow
 import           Text.XML.HXT.DOM.TypeDefs
 
 
                                 , tbURL      = url
                                 , tbBlogName = blogName
                                 , tbTime     = time
-                                }
\ No newline at end of file
+                                }
 
     where
 
 import qualified Codec.Binary.UTF8.String as UTF8
-import           Control.Arrow
-import           Control.Arrow.ArrowIO
-import           Control.Arrow.ArrowList
 import qualified Data.ByteString.Lazy as Lazy
 import qualified Data.ByteString.Lazy.Char8 as L8 hiding (ByteString)
 import           Data.Map (Map)
 import           Rakka.Wiki.Interpreter
 import           Text.HyperEstraier hiding (getText)
 import           Text.ParserCombinators.Parsec
-import           Text.XML.HXT.Arrow.XmlArrow hiding (err)
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow hiding (err)
 import           Text.XML.HXT.DOM.TypeDefs
 
 
 
     )
     where
 
-import           Control.Arrow
-import           Control.Arrow.ListArrow
 import           Data.Map (Map)
 import qualified Data.Map as M
 import           Data.Maybe
 import           Rakka.SystemConfig
 import           Rakka.Wiki
 import           Rakka.Wiki.Interpreter
-import           Text.XML.HXT.Arrow.XmlArrow
-import           Text.XML.HXT.Arrow.XmlNodeSet
+import           Text.XML.HXT.Arrow
 
 
 interpreters :: [Interpreter]
                         ]
             in
               return (Input attrs)
-      }
\ No newline at end of file
+      }
 
           <attribute name="oldRevision">
             <data type="decimal">
               <param name="minInclusive">0</param>
+              <param name="fractionDigits">0</param>
             </data>
           </attribute>