[jdk17u] RFR: 8268457: XML Transformer outputs Unicode supplementary character incorrectly to HTML

[Alex Kasko]

On Thu, 7 Oct 2021 11:04:50 GMT, Alex Kasko <akasko at openjdk.org> wrote:

> Clean backport of an XSL fix.
> 
> Note, included test is broken, it was fixed with [JDK-8274606](https://bugs.openjdk.java.net/browse/JDK-8274606), I intend to follow up with its backport.

Marked the bug for approval.

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PR: https://git.openjdk.java.net/jdk17u/pull/162