headers.rb in protocol-http-0.16.0

- old
+ new

@@ -23,10 +23,11 @@
 require_relative 'header/split'
 require_relative 'header/multiple'
 require_relative 'header/cookie'
 require_relative 'header/connection'
 require_relative 'header/cache_control'
+require_relative 'header/etags'
 require_relative 'header/vary'
 
 module Protocol
 	module HTTP
 		# Headers are an array of key-value pairs. Some header keys represent multiple values.
@@ -165,9 +166,13 @@
 				'vary' => Header::Vary,
 				
 				# Headers specifically for proxies:
 				'via' => Split,
 				'x-forwarded-for' => Split,
+				
+				# Cache validations:
+				'if-match' => Header::ETags,
+				'if-none-match' => Header::ETags,
 				
 				# Headers which may be specified multiple times, but which can't be concatenated:
 				'www-authenticate' => Multiple,
 				'proxy-authenticate' => Multiple,
 				