RFR: JDK-8263261 Extend String::translateEscapes to support unicode escapes [v6]

[Raffaello Giulietti]

On Fri, 19 Jan 2024 14:14:26 GMT, Jim Laskey <jlaskey at openjdk.org> wrote:

>> Currently String::translateEscapes does not support unicode escapes, reported as a IllegalArgumentException("Invalid escape sequence: ..."). String::translateEscapes should translate unicode escape sequences to provide full coverage,
>
> Jim Laskey has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update copyright year of test

test/jdk/java/lang/String/TranslateEscapes.java line 2:

> 1: /*
> 2:  * Copyright (c) 2019, 2024 Oracle and/or its affiliates. All rights reserved.

Sorry for this late note.
Seems like each copyright year must be followed by a comma `,`, otherwise validate-source fails. See, for example, my own oversight [here](https://github.com/openjdk/jdk/pull/17490/files).

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PR Review Comment: https://git.openjdk.org/jdk/pull/17491#discussion_r1459422630