Prevent schema.org duplicates #992
One more higher-level question: when I first raised this issue I was thinking that there could only be one such metadata script in the document. However, apparently it's fine to have multiple: https://stackoverflow.com/questions/30723531/best-json-ld-practices-using-multiple-script-elements
The main concern here for the AMP plugin is to allow for other plugins to take control of the generation of the Schema.org metadata instead of the defaults that the AMP plugin outputs, but then to have the AMP plugin output a good fallback when others don't do so.
I'm feeling like if there is any JSON-LD