This isn’t much different from the typical JSON comment hack: { "//": "comment goes here" } Most editors and tooling also know this is commonly

This isn’t much different from the typical JSON comment hack: { "//": "comment goes here" } Most editors and tooling also know this is commonly use and ignore validation of repeated keys. Unfortunately it doesn’t much help with arrays unless you specifically handle the case (and depending on usage, handle escaped cases as well).