RFR: 8353668: Rename internal c.s.javafx.text.TextLine class

[Michael Strauß]

On Thu, 3 Apr 2025 18:01:07 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> This minor change renames an internal `com.sun.javafx.text.TextLine` to `PrismTextLine`.
> This class implements `com.sun.javafx.scene.text.TextLine` interface, also internal, for the purpose of reducing confusion and avoiding FQCN.
> 
> This change is completely transparent to the application developers since no public APIs is impacted.

Marked as reviewed by mstrauss (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1760#pullrequestreview-2740959594