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-rw-r--r--activesupport/lib/active_support/core_ext/string/xchar.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/xchar.rb b/activesupport/lib/active_support/core_ext/string/xchar.rb
index d6aa4aa036..df186e42d7 100644
--- a/activesupport/lib/active_support/core_ext/string/xchar.rb
+++ b/activesupport/lib/active_support/core_ext/string/xchar.rb
@@ -1,4 +1,5 @@
begin
+ # See http://bogomips.org/fast_xs/ by Eric Wong
require 'fast_xs'
class String