Yes, the s-expression format has become awkward. There are differences between the s-expression format in the test suite, what browsers will show, and what tool

Yes, the s-expression format has become awkward. There are differences between the s-expression format in the test suite, what browsers will show, and what tools support. You can think of the old s-expression format as a language that compiles into wasm, a language that is an AST and that happens to have the same types and operations etc. as wasm.