RFR: 8271396: Spelling errors

[Julia Boes]

On Wed, 3 Feb 2021 19:12:25 GMT, Emmanuel Bourg <github.com+54304+ebourg at openjdk.org> wrote:

> This PR fixes the following spelling errors:
> 
>  choosen  -> chosen
>  commad   -> command
>  hiearchy -> hierarchy
>  leagacy  -> legacy
>  minium   -> minimum
>  subsytem -> subsystem
>  unamed   -> unnamed

I'm happy to sponsor this change, but could you please update the copyright year where necessary, e.g. in 
src/java.desktop/unix/classes/sun/awt/X11/XMSelection.java: 
`Copyright (c) 2003, 2018, Oracle...` -> `Copyright (c) 2003, 2021, Oracle...`

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PR: https://git.openjdk.java.net/jdk/pull/2385