RFR: 8287889: (fs) Files.copy description of REPLACE_EXISTING is hard to read

[Brian Burkhalter]

On Mon, 13 Jun 2022 18:40:05 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Clarify the descriptions of the use of `java.nio.file.StandardCopyOption.REPLACE_EXISTING` in the `copy(Path,Path)` and `move(Path,Path)` methods of `java.nio.file.Files`.

This PR is superseded by https://github.com/openjdk/jdk19/pull/16.

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PR: https://git.openjdk.org/jdk/pull/9142