Eclipse JavaFX open attached Javadoc

My problem is that there is no Javadoc (no javadoc.exe, no index.html, ...) in the FX library and I only get this message:

I only can open the declaration of the FX classes as I attached the src.zip folder.

https://stackoverflow.com/questions/66921563/eclipse-javafx-open-attached-javadoc April 02, 2021 at 11:24PM