Merge pull request #1818 from EliahKagan/from-fs-doc #5571

Job	Run time
cargo-deny-advisories	28s
check-packetline (ubuntu-latest)	4s
cargo-deny	29s
check-blocking	3s
lint	3m 49s
pure-rust-build	2m 4s
test	10m 16s
test-32bit (i386)	5m 50s
test-fast (windows-latest)	14m 37s
test-32bit (arm32v7)	4m 0s
test-fast (macos-latest)	2m 56s
test-fixtures-windows	14m 41s
test-fast (ubuntu-latest)	3m 45s
test-journey	4m 5s
test-fast (ubuntu-22.04-arm)	3m 57s
WebAssembly (wasm32-unknown-unknown)	1m 18s
WebAssembly (wasm32-wasip1)	40s
Tests pass	1s
	1h 13m 3s

Provide feedback