RFR: JDK-8263261 Extend String::translateEscapes to support unicode escapes [v13]

[ExE Boss]

On Fri, 26 Jan 2024 17:36:52 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:
> 
>   Requested changes

src/java.base/share/classes/java/lang/String.java line 4229:

> 4227:      *     <th scope="row">{@code \u005CuXXXX}</th>
> 4228:      *     <td>Unicode escape</td>
> 4229:      *     <td>single UTF-16 code unit equivalent {@code U+XXXX}<p>multiple 'u' are support per jls 3.3</td>

Suggestion:

     *     <td>single UTF-16 code unit equivalent {@code U+XXXX}<p>multiple 'u' are supported per JLS 3.3</td>

test/jdk/java/lang/String/TranslateEscapes.java line 120:

> 118:         }
> 119:     }
> 120: 

This method is unused:
Suggestion:

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PR Review Comment: https://git.openjdk.org/jdk/pull/17491#discussion_r1470081472
PR Review Comment: https://git.openjdk.org/jdk/pull/17491#discussion_r1470082839