See [Figure 2](@fig-2) for details.

Reference to study [Smith 2020](@smith2020) here.

![Alt text](@fig-bar)

Wrapped: bla([圖2](@fig-2))bla

This [link](#fig-2) is correct and should not be flagged.

Email [me](mailto:foo@bar.com) is fine — `@` not at start.

Bare citation @smith2020 in prose is fine.

Bracketed citation [@smith2020] is fine.
