% ruby yamlvjson.rb
JSON to be parsed:
{
  "items": [
    {
      "foo": ["bar", "baz"]
    }
  ]
}
JSON.parse:
{"items"=>[{"foo"=>["bar", "baz"]}]}
YAML.parse:
#<YAML::Syck::Map:0xb7c8fa98>


JSON to be parsed (NOTICE THE MISSING SPACE IN ["bar","baz"]):
{
  "items": [
    {
      "foo": ["bar","baz"]
    }
  ]
}
JSON.parse:
{"items"=>[{"foo"=>["bar", "baz"]}]}
/usr/lib/ruby/1.8/yaml.rb:176:in `load': syntax error on line 3, col 25: `      "foo": ["bar","baz"]' (ArgumentError)
        from /usr/lib/ruby/1.8/yaml.rb:176:in `parse'
        from yamlvjson.rb:37