Merge pull request #83 from jvelilla/master

Contracts, comments and cosmetic

library/network/protocol/content_negotiation/src/results/http_accept_language.e

@@ -7,6 +7,8 @@ class
 	HTTP_ACCEPT_LANGUAGE
 
 inherit
+	HTTP_HEADER_UTILITIES
+
 	REFACTORING_HELPER
 
 	DEBUG_OUTPUT

library/network/protocol/content_negotiation/src/results/http_any_accept.e

@@ -7,6 +7,8 @@ class
 	HTTP_ANY_ACCEPT
 
 inherit
+	HTTP_HEADER_UTILITIES
+
 	REFACTORING_HELPER
 
 	DEBUG_OUTPUT
@@ -101,16 +103,6 @@ feature -- Status Report
 			create Result.make_from_string (value)
 		end
 
-feature {NONE} -- Helper
-
-	trimmed_string (s: READABLE_STRING_8): STRING_8
-			-- Copy of `s', where whitespace were stripped from the beginning and end of the string
-		do
-			create Result.make_from_string (s)
-			Result.left_adjust
-			Result.right_adjust
-		end
-
 note
 	copyright: "2011-2013, Javier Velilla, Jocelyn Fiat, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"