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XML (Score:0)
Why not use XML? I guess there's not enough glory: it already exists and works!
Re:XML (Score:1)
Both JSON and XML are well established, fully specced and popular formats (XML more so, but there is a lot of JSON out there too). Picking one over the other should be based on a couple of key points where I think JSON far outshines XML:
1) Like Alias said, which ever we pick needs to make it's way into the Core. For XML if we we'd need to pick a subset since a full XML parser is big and complicated. JSON in comparison is easy and simple. A JSON parser would be small and stand a better chance of making it into the Core.
2) XML isn't really easy on the eyes and isn't a format that a lot of Perl programmers like. JSON looks very similar to the array/hash literal syntax that we are already used to and the simplicity is nice. No debating over whether something should be an attribute or a child element. It's just lists and hashes.
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