ComponentListener gets installed twice per Component

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scala.swing.Component's onFirstSubscribe calls super.onFirstSubscribe first, which adds a ComponentListener, then adds another one on its own. This is clearly not intended behavior.

Bye
Christoph

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Imported From: https://issues.scala-lang.org/browse/SI-4903?orig=1
Reporter: Christoph Radig (cradig)
Affected Versions: 2.9.1

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@SethTisue said:
The scala-swing library is now community-maintained. Issues with it are now tracked at https://github.com/scala/scala-swing instead of here in the Scala JIRA.

Interested community members: if you consider this issue significant, feel free to open a new issue for it on GitHub, with links in both directions.