Withdrawn: 8346036: Unnecessary Hashtable usage in javax.swing.text.html.parser.Entity

[duke]

On Fri, 1 Nov 2024 14:02:52 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> The Hashtable `javax.swing.text.html.parser.Entity#entityTypes` is modified only within `<clinit>` block.
> We can replace it with immutable map to avoid Hashtable synchronization overhead.
> Similar to what we did in #21825.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/21831