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Remember when we used XML, and then people started making DSLs in XML and XML was the worst and too 'heavy' and having to write schemas was enterprise and awful and we are totes using lightweight schema free sexy JSON now?

I wonder what the new thing to replace enterprise JSON will be.

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It's still going to be XML. JSON is fairly limited, it's literally the serialization format for JavaScript variables, and that one size does not fit all.

I'm totally fine with XML. I'm just amazed at the cognitive dissonance anti-Xml pro-Json peeps are starting to display.

Yaml looks like the perfect candidate

Isn't it already? After all - YAML in Ansible now includes some control structures no? (Or am I misremembering that?)

Yes, Ansible supports conditionals and loops in its playbooks. Ansible 2.0 also introduced blocks, which are effectively a try-catch-finally in disguise.

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