<p>Well, your parser is right: <a href="http://yaml.org/spec/1.2/spec.html#id2805071" rel="nofollow">http://yaml.org/spec/1.2/spec.html#id2805071</a></p>
<p>We are using phpyaml, which only claims to support yaml 1.1 – that spec is not clear on this. I have reported <a href="https://bugs.php.net/bug.php?id=76309" rel="nofollow">https://bugs.php.net/bug.php?id=76309</a> anyway.</p>
<p>I will look if I can use <a href="http://php.net/manual/en/yaml.callbacks.emit.php" rel="nofollow">http://php.net/manual/en/yaml.callbacks.emit.php</a> to force the type to string in the meanwhile.</p>

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