This is a usability "bug", basically, the icons used
for "package" and "module" in the explorer are too
similar (the have the same basic hue, and both are
surrounded by a grey box, so there's no immediate
Please consider using, for instance, a bright-yellow
(to match the file-folder icon) for the package icon's
paper. Also consider using icon transparency for the
icons so they are more readily distinguished.