From cd046bf27872db047ecaf2b6d2f795b447d256a8 Mon Sep 17 00:00:00 2001
From: Gibheer <gibheer@gmail.com>
Date: Wed, 14 Nov 2012 19:03:51 +0100
Subject: added documentation for parameter constants

---
 lib/zero/request/parameter.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/zero/request/parameter.rb b/lib/zero/request/parameter.rb
index 592c620..13e92ea 100644
--- a/lib/zero/request/parameter.rb
+++ b/lib/zero/request/parameter.rb
@@ -8,9 +8,13 @@ module Zero
     # This class holds all parameters available in the rack environment, split
     # on query and payload parameters.
     class Parameter
+      # they key for the query string
       ENV_KEY_QUERY   = 'QUERY_STRING'
+      # the key for the payload
       ENV_KEY_PAYLOAD = 'rack.input'     
+      # the key for the content type
       ENV_KEY_CONTENT_TYPE = 'CONTENT_TYPE'
+      # all content types which used for using the body as a parameter input
       PAYLOAD_CONTENT_TYPES = [
         'application/x-www-form-urlencoded',
         'multipart/form-data'
-- 
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