`w`: implement --short option #308

Job	Run time
cargo clippy -- -D warnings (ubuntu-latest)	20s
cargo test (ubuntu-latest)	33s
cargo clippy -- -D warnings (macOS-latest)	23s
cargo check (ubuntu-latest)	19s
Code Coverage (ubuntu-latest, unix)	38s
cargo clippy -- -D warnings (windows-latest)	1m 28s
cargo check (macOS-latest)	27s
cargo test (macOS-latest)	36s
cargo check (windows-latest)	1m 27s
Code Coverage (macos-latest, macos)	39s
Code Coverage (windows-latest, windows)	39s
cargo fmt --all -- --check	12s
cargo test (windows-latest)	37s
	8m 18s

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