diff --git a/HTTP.cabal b/HTTP.cabal
--- a/HTTP.cabal
+++ b/HTTP.cabal
@@ -1,5 +1,5 @@
 Name: HTTP
-Version: 4000.1.0
+Version: 4000.1.1
 Cabal-Version: >= 1.2
 Build-type: Simple
 License: BSD3
diff --git a/Network/BufferType.hs b/Network/BufferType.hs
--- a/Network/BufferType.hs
+++ b/Network/BufferType.hs
@@ -38,7 +38,7 @@
 import System.IO ( Handle )
 import Data.Word ( Word8 )
 
-import Network.HTTP.Utils ( crlf )
+import Network.HTTP.Utils ( crlf, lf )
 
 -- | The @BufferType@ class encodes, in a mixed-mode way, the interface
 -- that the library requires to operate over data embedded in HTTP
@@ -106,11 +106,13 @@
       , buf_splitAt      = Strict.splitAt
       , buf_span         = Strict.span
       , buf_empty        = Strict.empty
-      , buf_isLineTerm   = \ b -> Strict.length b == 2 && p_crlf == b
+      , buf_isLineTerm   = \ b -> Strict.length b == 2 && p_crlf == b ||
+                                  Strict.length b == 1 && p_lf   == b
       , buf_isEmpty      = Strict.null 
       }
    where
     p_crlf = Strict.pack crlf
+    p_lf   = Strict.pack lf
 
 -- | @lazyBufferOp@ is the 'BufferOp' definition over @ByteString@s,
 -- the non-strict kind.
@@ -129,11 +131,13 @@
       , buf_splitAt      = \ i x -> Lazy.splitAt (fromIntegral i) x
       , buf_span         = Lazy.span
       , buf_empty        = Lazy.empty
-      , buf_isLineTerm   = \ b -> Lazy.length b == 2 && p_crlf == b
+      , buf_isLineTerm   = \ b -> Lazy.length b == 2 && p_crlf == b ||
+                                  Lazy.length b == 1 && p_lf   == b
       , buf_isEmpty      = Lazy.null 
       }
    where
     p_crlf = Lazy.pack crlf
+    p_lf   = Lazy.pack lf
 
 -- | @stringBufferOp@ is the 'BufferOp' definition over @String@s.
 -- It is defined in terms of @strictBufferOp@ operations,
@@ -154,7 +158,7 @@
                              case Strict.span p (Strict.pack a) of
 			       (x,y) -> (Strict.unpack x, Strict.unpack y)
       , buf_empty        = []
-      , buf_isLineTerm   = \ b -> b == crlf
+      , buf_isLineTerm   = \ b -> b == crlf || b == lf
       , buf_isEmpty      = null 
       }
 
diff --git a/Network/HTTP/Utils.hs b/Network/HTTP/Utils.hs
--- a/Network/HTTP/Utils.hs
+++ b/Network/HTTP/Utils.hs
@@ -16,6 +16,7 @@
        , trimR    -- :: String -> String
        
        , crlf     -- :: String
+       , lf       -- :: String
        , sp       -- :: String
 
        , split    -- :: Eq a => a -> [a] -> Maybe ([a],[a])
@@ -35,6 +36,10 @@
 -- | @crlf@ is our beloved two-char line terminator.
 crlf :: String
 crlf = "\r\n"
+
+-- | @lf@ is a tolerated line terminator, per RFC 2616 section 19.3.
+lf :: String
+lf = "\n"
 
 -- | @sp@ lets you save typing one character.
 sp :: String