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-rw-r--r--lib/puppet/parser/functions/base64.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/base64.rb b/lib/puppet/parser/functions/base64.rb
index a8998f2..d610146 100644
--- a/lib/puppet/parser/functions/base64.rb
+++ b/lib/puppet/parser/functions/base64.rb
@@ -1,3 +1,6 @@
+
+# Please note: This function is an implementation of a Ruby class and as such may not be entirely UTF8 compatible. To ensure compatibility please use this function with Ruby 2.4.0 or greater - https://bugs.ruby-lang.org/issues/10085.
+
module Puppet::Parser::Functions
newfunction(:base64, :type => :rvalue, :doc => <<-'ENDHEREDOC') do |args|