[Bug: 21.5-b29] packages UI: non-ideal handling of missing deps

[Jeff Sparkes]

"Stephen J. Turnbull" <stephen at xemacs.org> writes:

> What really should be done is for Windows to install all packages by
> default.

Maybe we should do that everywhere.  Over the past couple of decades,
downloading 36 megabytes became much less troublesome.  Being able to
update packages without reinstalling is still useful, though.