RFR: 8267374: (macos) Left Option+Up/Down arrow dont traverse to beginning/end of line in textarea [v5]

[Sergey Bylokhov]

On Tue, 28 Jun 2022 13:13:39 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> That is similar issue on Windows since we unconditionally set the right alt key to be ALT_GRAPH independently of the current keyboard layout, it is just a button location which is the same on win and mac. So probably right now it is better to update the spec of that flag. 
>> 
>> To workaround that change the fix for [JDK-8194873](https://bugs.openjdk.org/browse/JDK-8194873) updated all our L&F which are used on windows, obviously the Aqua was missed. I think we should update the Aqua in a similar way.
>
> I can see "AltGr" key in windows keyboard but not mac so am not sure why should we support just because of key location.
> Anyway, I will let @prrace decide  on that.
> 
> If we need to support altgr, then present PR supports both 8151136  (alt graph) and also Right/Left Option Up/Down

One macOS you will not see the "Alt" key as well, but we use that name.

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