Drag and Drop of a MacOSX package badly dealed with as a hirearchy of file

Some "file" in the MacOSX viewpoint are indeed an unix folder with its hierarchy of content. Any Mac Cocoa application is a typical example, but some text type of file are organised that way too (files produced with omnigroup soft for instance, or even .rtfd type of file).

When you drag and drop such "files", the udloader deal with them wrongly : it can count correctly the number of files (for instance a rtfd file with one picture in it are indeed 3 files : the directory and the rtf file and the image in this directory), but only the directory is built within the GED, with no files in it.