RFR: 8342466: Improve API documentation for java.lang.classfile.attribute [v2]

[Chen Liang]

On Fri, 10 Jan 2025 20:25:06 GMT, Chen Liang <liach at openjdk.org> wrote:

>> Improve documentation for `class` file attributes. This include better specification for user attributes, some more general information about attributes, such as the usage of non-JVMS attributes, and updated some attribute information in the base package too, such as Annotation and Signature.
>> 
>> APIDiff: https://cr.openjdk.org/~liach/apidiff/cf-attribute/
>> Javadoc: https://cr.openjdk.org/~liach/javadoc/cf-attribute/java.base/java/lang/classfile/Attribute.html
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comments, also simplify Attribute

I have pushed an update for the review comments and slightly simplified `Attribute`, and updated code review site and the CSR. Please review again.

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PR Comment: https://git.openjdk.org/jdk/pull/23026#issuecomment-2584066907