[Rd] Better support ESS by allowing choice of CRAN mirror using the `menu-choice` widget

[Bryce Carson]

I know ESS already has a better interface for installing packages, C-c C-e
TAB, but it'd be "neat" if when I forget to do this and I call
install.packages() without first setting a mirror that either the same
interface would be presented rather than Tcl/Tk, or a widget.el-based
interface was presented.

On Tue, Apr 8, 2025 at 3:08 PM Bryce Carson <bryce.a.carson using gmail.com>
wrote:

> This would allow ESS to be used in a graphical-mode emacs without
> utilizing the Tcl/Tk widget, and on non-Linux platforms would allow Emacs
> to provide the choice widget rather than Tcl/Tk, Aqua, or whatever Windows
> does.
>

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