[Docs] Clarify write-to-file
and read-from-file
Behavior
#359
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Addresses: racket/racket#5224
If a user discovers
write-to-file
orread-from-file
and plans to leverage either without serendipitously also discovering the accompanying editor header/footer methods, they'll likely have a challenging time.Beyond simply clarifying behavior and linking to header/footer related documentation, also included @alex-hhh 's complete example within the docs for others to discover.
My first contribution. As this is documentation, no accompanying unit-tests or changelog/history updates are required.
Verification