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, Javadoc, and CSR incoming. ------------- Commit messages: - 8342466: Improve API documentation for java.lang.classfile.attribute Changes: https://git.openjdk.org/jdk/pull/23026/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23026&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8342466 Stats: 2571 lines in 68 files changed: 1608 ins; 125 del; 838 mod Patch: https://git.openjdk.org/jdk/pull/23026.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/23026/head:pull/23026 PR: https://git.openjdk.org/jdk/pull/23026
