[jfx26] Integrated: 8373936: RichEditorDemoApp enhancements

[Andy Goryachev]

On Wed, 28 Jan 2026 22:51:47 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> Backport of the following change:
> 
> [JDK-8376138](https://bugs.openjdk.org/browse/JDK-8376138) RichTextArea: getModelStyleAttrs might return wrong attributes

This pull request has now been integrated.

Changeset: 3c82487e
Author:    Andy Goryachev <angorya at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/3c82487effbb7b8e1bc007749cb10dc57dfde7bb
Stats:     1323 lines in 12 files changed: 846 ins; 349 del; 128 mod

8373936: RichEditorDemoApp enhancements
8376138: RichTextArea: getModelStyleAttrs might return wrong attributes

Reviewed-by: kcr
Backport-of: 744d7fa3c9a69542924043802db6422bce2e184d

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PR: https://git.openjdk.org/jfx/pull/2057