Index: http.lua
===================================================================
--- http.lua	(revision 15069)
+++ http.lua	(working copy)
@@ -648,7 +648,7 @@
     response_raw = ""
     while recv_status do
       recv_status, response_tmp = socket:receive()
-      response_raw = response_raw .. response_tmp
+      if recv_status then response_raw = response_raw .. response_tmp end
     end
 
     -- Transform the raw response we received in a table of responses and
@@ -829,12 +829,14 @@
 
   -- handle chunked encoding
   if result.header['transfer-encoding'] == 'chunked' then
-    local _, chunk
-    local chunks = {}
-    for _, chunk in get_chunks(body, 1, body_delim) do
-      chunks[#chunks + 1] = chunk
+    if not body == body_delim then
+      local _, chunk
+      local chunks = {}
+      for _, chunk in get_chunks(body, 1, body_delim) do
+        chunks[#chunks + 1] = chunk
+      end
+      body = table.concat(chunks)
     end
-    body = table.concat(chunks)
   end
 
   -- special case for conjoined header and body