On Wed, 22 Jun 2022 03:28:17 GMT, Prasanta Sadhukhan <[email protected]> 
wrote:

> Unlike in native "Notes" editor where Option+Up/Down traverses to start/end 
> of each line respectively,
> Java does not honour these key combination in editor.
> 
> Added the key combination support by moving the caret to start/end of line 
> and then doing caret up/down a line depending on if we are pressing UP or 
> DOWN key.

This pull request has now been integrated.

Changeset: 955baa3c
Author:    Prasanta Sadhukhan <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/955baa3c44805538df5f95ccc91d2d5a08c85b81
Stats:     397 lines in 8 files changed: 367 ins; 16 del; 14 mod

8267374: macOS: Option+Up/Down Arrow don't traverse to beginning/end of line in 
JTextArea

Reviewed-by: prr

-------------

PR: https://git.openjdk.org/jdk/pull/9230

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