`Kmm` with `km/K` suggested `Km`, which the checker flags; `Km` itself got no
suggestion. A suggestion whose dictionary form is only correct through a
KEEPCASE stem now keeps that case (`km`). Other stems are re-cased as before
(`MIXCASX` → `MIXCASE`).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FypgCX8LsYYE8fsj4byBm2