Upgrade CodeRay to 0.9.2 (#3359).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3592 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/coderay-0.9.2/lib/coderay/scanners/plaintext.rb

@@ -0,0 +1,21 @@
+module CodeRay
+module Scanners
+
+  class Plaintext < Scanner
+
+    register_for :plaintext, :plain
+    title 'Plain text'
+    
+    include Streamable
+    
+    KINDS_NOT_LOC = [:plain]
+    
+    def scan_tokens tokens, options
+      text = (scan_until(/\z/) || '')
+      tokens << [text, :plain]
+    end
+
+  end
+
+end
+end