diff --git a/Panda/Config/Global.hs b/Panda/Config/Global.hs
--- a/Panda/Config/Global.hs
+++ b/Panda/Config/Global.hs
@@ -23,17 +23,17 @@
 -- unsafe, must restart server after changing config file, sorry about that ...
 -- but these configs are read only, and keep the view pure, so no monad headaches involved.
 
-user_config   = UIO.readFile config_uri .purify .filter_comment .lines .map strip .map (split "\\s*=\\s*") .map tuple2
+user_config     = UIO.readFile config_uri .purify .filter_comment .lines .map strip .map (split "\\s*=\\s*") .map tuple2
 config_for' s d = user_config.lookup s .fromMaybe d
 
-config_for s = config_for' s s
+config_for s    = config_for' s s
 
-blog_title    = config_for "blog_title"
-blog_subtitle = config_for "blog_subtitle"
-host_name     = config_for "host_name"
-author_email  = config_for "author_email" 
+blog_title      = config_for "blog_title"
+blog_subtitle   = config_for "blog_subtitle"
+host_name       = config_for "host_name"
+author_email    = config_for "author_email" 
 
-panda_url     = "http://github.com/nfjinjing/panda"
+per_page        = config_for' "per_page" "7" .read :: Int
+navigation      = config_for' "navigation" "About" .split "," .map strip .reject null .("Home" :)
 
-per_page      = config_for' "per_page" "7" .read :: Int
-navigation    = config_for' "navigation" "About" .split "," .map strip .reject null .("Home" :)
+panda_url       = "http://github.com/nfjinjing/panda"
diff --git a/Panda/Helper/Escape.hs b/Panda/Helper/Escape.hs
--- a/Panda/Helper/Escape.hs
+++ b/Panda/Helper/Escape.hs
@@ -1,22 +1,25 @@
 module Panda.Helper.Escape where
 
+import Text.ParserCombinators.Parsec
+import MPS hiding (parse)
+import Char
+import Prelude hiding ((.), (/), id)
 
-import Text.XML.HaXml hiding ((!))
-import Text.XML.HaXml.Parse (xmlParseWith, document)
-import Text.XML.HaXml.Lex (xmlLex)
+unicode :: Parser Char
+unicode = do
+  char '&'
+  char '#'
+  word <- many1 digit
+  char ';'
+  return $ chr (read word)
 
+unescape_parser :: Parser String
+unescape_parser = do
+  s <- many (unicode <|> anyChar)
+  return $ s
 
+parse' p s = case (parse p "" s) of
+  Left err -> err.show.error
+  Right x  -> x
 
-unescape :: String -> String
-unescape = concatMap ctext . xmlUnEscapeContent stdXmlEscaper .
-              unwrapTag .
-              either error id . fst . xmlParseWith document .
-              xmlLex "oops, lexer failed" . wrapWithTag "t"
-  where
-    ctext (CString _ txt _)         = txt
-    ctext (CRef (RefEntity name) _) = '&' : name ++ ";" -- skipped by escaper
-    ctext (CRef (RefChar num) _)    = '&' : '#' : show num ++ ";" -- ditto
-    ctext _                 = error "oops, can't unescape non-cdata"
-    wrapWithTag t s = concat ["<", t, ">", s, "</", t, ">"]
-    unwrapTag (Document _ _ (Elem _ _ c) _) = c
-    unwrapTag _                             = error "oops, not wrapped"
+unescape s = parse' unescape_parser s
diff --git a/Panda/Model/Post.hs b/Panda/Model/Post.hs
--- a/Panda/Model/Post.hs
+++ b/Panda/Model/Post.hs
@@ -26,6 +26,6 @@
   Nothing -> parse_date "2000-1-1".fromJust
   Just x -> x
 
-match s x = [title, body] .map (send_to x >>> lower >>> isInfixOf (s.lower)) .or
+match s x = [title, body >>> from_utf8] .map (send_to x >>> lower >>> isInfixOf (s.lower)) .or
 search "" = return []
 search s  = list <.> filter (match s)
diff --git a/changelog.markdown b/changelog.markdown
--- a/changelog.markdown
+++ b/changelog.markdown
@@ -1,4 +1,9 @@
-0.0.0.4-1
+0.0.0.4.2
+----------
+
+downgrade to `HaXml 0.13` and `RSS 3000.0.1` for `arch`
+
+0.0.0.4.1
 ----------
 
 require `mps-0.0.0.1`
diff --git a/panda.cabal b/panda.cabal
--- a/panda.cabal
+++ b/panda.cabal
@@ -1,5 +1,5 @@
 Name:                 panda
-Version:              0.0.0.4.1
+Version:              0.0.0.4.2
 Build-type:           Simple
 Synopsis:             Simple Static Blog Engine
 Description:          Simple Static Blog Engine
@@ -14,7 +14,7 @@
 data-files:			      readme.markdown, changelog.markdown
 
 library
-  build-depends: base, cgi, network, haskell98, old-locale, old-time, directory, filepath, containers >= 0.1.0.0, mps >= 0.0.0.1, parsedate >= 3000.0.0, rss >= 3000.1.0, xhtml >= 3000.2.0.0, kibro >= 0.0, HaXml >= 1.19, utf8-string >= 0.3.1
+  build-depends: base, cgi, network, haskell98, old-locale, old-time, directory, filepath, containers >= 0.1.0.0, mps >= 0.0.0.1, parsedate >= 3000.0.0, rss >= 3000.0.1, xhtml >= 3000.2.0.0, kibro >= 0.0, utf8-string >= 0.3.1
   exposed-modules:  Panda
                     Panda.Controller.Application
                     Panda.Config.Global