test: make the man-page readable + sync #10737

Performance Regression: -4.01%

❌ 1 regressed benchmark
✅ 283 untouched benchmarks
⏩ 38 skipped benchmarks¹

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

	Mode	Benchmark	`BASE`	`HEAD`	Efficiency
❌	Simulation	`cp_large_file[16]`	367.6 µs	382.9 µs	-4.01%

_{Comparing matttbe:test-man-readable (2b65dfd) with main (b556119)}

38 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩