v:\> ai why do i sometimes see — (a-circonflex,euro,close-quote) in your responses?
That is **mojibake**: an em dash (`—`) encoded as UTF‑8 is being incorrectly decoded as Windows‑1252 (or a similar legacy encoding).
- Intended character: `—`
- UTF‑8 bytes: `E2 80 94`
- Misread as...