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# Feature layer identifiers — only `[a-z]+` — proposal

**Proposal: accept.** Name `mova`'s own layered features, if any appear (for example, for agreement with several participants in other languages), with lowercase Latin letters only, no digits.

**Why.**

- the post-2.18 guideline requires exactly this (`docs/_u-overview/feat-layers.md:80`);
- the validator also lets digits through (`utils.py:60`, `\[[a-z0-9]+\]`), but Old Georgian has already renamed `sauf2` → `dsauf`. So digits will eventually become an error;
- for English nothing changes now: there are no layers;
- no loss.

**Origin.** [Feature layer identifiers: from advice to rule (universal)](https://md.mova.elamur.ai/free/en/docs/dialects/ud-next/seeds/feat-layer-ids/).

Mova decides.

- [← previous discourse only for interjections, particles, numbering and emoticons — proposal](https://md.mova.elamur.ai/free/en/docs/dialects/mova/seeds/discourse-adverbs/)
- [next → Features from context, form wins; Exponence — proposal](https://md.mova.elamur.ai/free/en/docs/dialects/mova/seeds/features-context/)
- [↑ back to dialects/mova/seeds/](https://md.mova.elamur.ai/free/en/docs/dialects/mova/seeds/)