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Curved mechanism arrows in Penzene

Curved arrows with full and fishhook arrowheads.

What we checked: Editable curved electron-pushing arrows, full or half head.
Result: Yes, tested by running it: Drew curved electron-pair and single-electron fishhook arrows. Yes, tested by running it. Drew curved electron-pair and single-electron fishhook arrows.
Version we tested: 2.0.0, on macOS 27.0.1 arm64
Manual: github.com