Integrated: 8307953: [AIX] C locale's font setting was changed by JEP 400

[Ichiroh Takiguchi]

On Thu, 11 May 2023 18:23:45 GMT, Ichiroh Takiguchi <itakiguchi at openjdk.org> wrote:

> On AIX, lib/fontconfig.bfc file is used to find font setting.
> I ran SwingSet2 List demo program with AIX C locale.
> JDK21's line spacing is larger then JDK17.
> Screen shots are in [JDK-8307953](https://bugs.openjdk.org/browse/JDK-8307953).
> When I used `-Dfile.encoding=COMPAT` option on AIX C locale, SwingSet2 worked fine as expected.
> 
> This situation happens `Charset.defaultCharset()` always returns UTF-8 after JEP 400 by default.
> According to following URL
> https://docs.oracle.com/en/java/javase/20/intl/font-configuration-files.html
> 
>> Encoding - the canonical name of the default encoding, as provided by java.nio.charset.Charset.defaultCharset().name().
> 
> For C and POSIX locale, following entry is added into `src/java.desktop/aix/data/fontconfig/fontconfig.propertie`
> 
> sequence.allfonts.UTF-8.en.=latin-1
> 
> 
> Additionally, following parts are changed:
> `src/java.desktop/aix/data/fontconfig/fontconfig.propertie`s has invalid charset name.
> For Java for AIX:
> - Encoding name for AIX's Zh_TW locale is `big5`, charset name should be `x-IBM950` instead of `big5`.
> - Encoding name for AIX's zh_CN locale is `IBM-eucCN`, charset name should be `x-IBM1383` instead of `x-EUCCN`.
> 
> In my understanding, this fix affects just for AIX platform.
> 
> Note:
> macos-x64 tier1 test was failed, but I think it's not related this PR.

This pull request has now been integrated.

Changeset: a08c5cb3
Author:    Ichiroh Takiguchi <itakiguchi at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/a08c5cb3f1be7a20c8f955951d1605bb8b1c1aa4
Stats:     5 lines in 1 file changed: 2 ins; 0 del; 3 mod

8307953: [AIX] C locale's font setting was changed by JEP 400

Reviewed-by: naoto, prr

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PR: https://git.openjdk.org/jdk/pull/13937