diff --git a/vendor/plugins/syntax/lib/syntax/lang/ansic.rb b/vendor/plugins/syntax/lib/syntax/lang/ansic.rb
index 0efbb5ea..65463ccc 100644
--- a/vendor/plugins/syntax/lib/syntax/lang/ansic.rb
+++ b/vendor/plugins/syntax/lib/syntax/lang/ansic.rb
@@ -9,12 +9,12 @@ module Syntax
     end
     
     ANSIC_KEYWORDS =
-      %w{asm break case continue default do else for goto if return
+      Set.new %w{asm break case continue default do else for goto if return
          switch while struct union enum typedef static register
          auto extern sizeof volatile const inline restrict} unless const_defined?(:ANSIC_KEYWORDS)
 
     ANSIC_PREDEFINED_TYPES =
-      %w{int long short char void signed unsigned 
+      Set.new %w{int long short char void signed unsigned 
          float double bool complex} unless const_defined?(:ANSIC_PREDEFINED_TYPES)
 
     ANSIC_PREDEFINED_CONSTANTS =
diff --git a/vendor/plugins/syntax/lib/syntax/lang/javascript.rb b/vendor/plugins/syntax/lib/syntax/lang/javascript.rb
index ea37cf9f..5fe13241 100644
--- a/vendor/plugins/syntax/lib/syntax/lang/javascript.rb
+++ b/vendor/plugins/syntax/lib/syntax/lang/javascript.rb
@@ -5,7 +5,7 @@ module Syntax
   class Javascript < Tokenizer
     
     JAVASCRIPT_KEYWORDS =
-      %w{abstract break case catch class const continue
+      Set.new %w{abstract break case catch class const continue
          debugger default delete do else enum export extends
          final finally for function goto if implements
          import in instanceof interface native new
@@ -15,7 +15,7 @@ module Syntax
          var void volatile while with} unless const_defined?(:JAVASCRIPT_KEYWORDS)
 
     JAVASCRIPT_PREDEFINED_TYPES =
-      %w{boolean byte char double float int long short} unless const_defined?(:JAVASCRIPT_PREDEFINED_TYPES)
+      Set.new %w{boolean byte char double float int long short} unless const_defined?(:JAVASCRIPT_PREDEFINED_TYPES)
 
     JAVASCRIPT_PREDEFINED_CONSTANTS =
       %w{null true false} unless const_defined?(:JAVASCRIPT_PREDEFINED_CONSTANTS)
diff --git a/vendor/plugins/syntax/lib/syntax/lang/ruby.rb b/vendor/plugins/syntax/lib/syntax/lang/ruby.rb
index 66afaa47..edccda03 100644
--- a/vendor/plugins/syntax/lib/syntax/lang/ruby.rb
+++ b/vendor/plugins/syntax/lib/syntax/lang/ruby.rb
@@ -9,7 +9,7 @@ module Syntax
 
     # The list of all identifiers recognized as keywords.
     KEYWORDS =
-      %w{if then elsif else end begin do rescue ensure while for
+      Set.new %w{if then elsif else end begin do rescue ensure while for
          class module def yield raise until unless and or not when
          case super undef break next redo retry in return alias
          defined?}