The [omit_graph flag](https://json-ld.org/spec/latest/json-ld-framing/#dfn-omit-graph-flag) is quite important for clients who consume jsonld as json (like, I suppose, most web annotation clients). I'll open an PR for that
The omit_graph flag is quite important for clients who consume jsonld as json (like, I suppose, most web annotation clients). I'll open an PR for that