# BACKLOG-lex.md

## Build backlog

- [x] D1 — Numbers: integers and floats tokenize correctly
- [x] D2 — Operators & parens: all six symbols tokenize correctly
- [x] D3 — Whitespace skipped; invalid chars raise LexError
- [x] D4 — 20 unit tests passing under python -m unittest

All items complete. Awaiting Adversary PASS verdicts.

## Adversary findings

_(Adversary writes here)_