On Thu, 12 May 2022 23:10:36 GMT, Jonathan Gibbons <j...@openjdk.org> wrote:
> > What's that `-XDdummy=dummy` you use in tests?
>
> It's a no-op placeholder. JavaDoc does not allow empty arguments, and the
> alternative is dynamically build a list with a conditional component. `-XD`
> is a "hidden" option to inject values in the compiler options map, so
> `-XDdummy=dummy` just injects a dummy value there.
Okay, I can see what happens when you pass an empty string:
error: Illegal package name: ""
I wish there were a better way of conditionally providing a javadoc option.
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PR: https://git.openjdk.java.net/jdk/pull/8583
