RE: AddOn works on Windows but not on Linux

> Are you sure that location is already an empty string, or do you only
> observe that PackagePath below is an empty string?
It was an assumption, but it turned out, that location is an empty string.

>    // assuming that PackagePath shall denote a URL
For me it should be the path where the package is located, because I have to
provide a tool with my package.

Regards,
  Martin