From: Brian Candler <b.candler@...>
Date: 2008-11-03T23:01:26+09:00
Subject: Re: Problem with YAML not returning exactly the same

Yes, I can reproduce this here with both 1.8.4 and 1.9.1-preview1.

YAML is fine for reading config files, but as you've just discovered, it 
sucks for object serialisation. Welcome to YAML.

Your test case appears to boil down to the following:

require 'yaml'
data1 = [{"foo"=>"\n", "bar"=>"baz\n \nbaz"}]
p data1
data2 = YAML.load data1.to_yaml
p data2

This gives the following results:

[{"foo"=>"\n", "bar"=>"baz\n \nbaz"}]
[{"foo"=>"", "bar"=>"baz\n\nbaz"}]

Feel free to submit it as a bug report. 
http://www.ruby-lang.org/en/community/ruby-core/#patching-ruby
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