From 448e66b8bb3bd5a2b413436b21c2c480511223c8 Mon Sep 17 00:00:00 2001
From: Alexander Pánek <a.panek@brainsware.org>
Date: Tue, 16 Sep 2014 17:55:26 +0200
Subject: Updated docs of validate_string to reflect bug

See: https://tickets.puppetlabs.com/browse/MODULES-457
---
 lib/puppet/parser/functions/validate_string.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/puppet/parser/functions/validate_string.rb b/lib/puppet/parser/functions/validate_string.rb
index e667794..0bab21e 100644
--- a/lib/puppet/parser/functions/validate_string.rb
+++ b/lib/puppet/parser/functions/validate_string.rb
@@ -13,6 +13,9 @@ module Puppet::Parser::Functions
 
         validate_string(true)
         validate_string([ 'some', 'array' ])
+        
+    NOTE: undef will only fail when using the future parser (See: https://tickets.puppetlabs.com/browse/MODULES-457)
+    
         $undefined = undef
         validate_string($undefined)
 
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