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León Orell Valerian Liehr
6fd8466768
Unstable book options parser Parses the `options!` macro in `compiler/rustc_session/src/options.rs` directly to extract the unstable (-Z) compiler flag names and descriptions to generate documentation for the unstable book. I took notice from the previous attempt which ran `rustc -Zhelp` and parsed the output and used this approach that reads the source directly. Used claude for the tedious char by char parsing parts but verified the code, I hope that's ok!