> BTW can you (or somebody else) recommend a development environment for
> Scheme?  There are cmuscheme, slime, geiser, quack and maybe some
> others, I'm not sure which to select.  If it does not require much
> Scheme code, maybe cmuscheme is enough.  Sorry if it's off-topic here.

I guess Geiser [1,2] is the most popular among guilers.

[1] https://gnu.org/software/guile/manual/guile.html#Using-Guile-in-Emacs
[2] http://git.savannah.gnu.org/cgit/guix.git/tree/HACKING#n26