encoding/csv: clarify that Writer uses different line break than RFC 4180 by default

Package documentation of encoding/csv says:

> this package supports the format described in RFC 4180.

According to section 2 of RFC 4180:

> Each record is located on a separate line, delimited by a line break (CRLF).

On the other hand, Writer uses LF (not CRLF) as newline character by default.

> If [Writer.UseCRLF] is true, the Writer ends each output line with \r\n instead of \n.

Strictly speaking, this behavior is different from RFC 4180.
Package documentation would improve if we clarify that point.

Change-Id: I120e9332b593e1ac9ed8e49f6f8419ea88efc57d
GitHub-Last-Rev: 489167eb04331fa5c623f3da9041a9d34aa258ae
GitHub-Pull-Request: golang/go#67290
Reviewed-on: https://go-review.googlesource.com/c/go/+/584835
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
1 file changed
tree: b5738263c697f1b837eb84f449f6b58ee924768e
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. codereview.cfg
  11. CONTRIBUTING.md
  12. go.env
  13. LICENSE
  14. PATENTS
  15. README.md
  16. SECURITY.md
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