[PATCH 0/4] emacs: Some fixes and improvements.

[Alex Kost]

Stylistic and performance improvements for scheme side.

[PATCH 1/4] emacs: Stylistic improvements in guile code.
[PATCH 2/4] emacs: Remove unused module.
[PATCH 3/4] emacs: Use (guix scripts lint) only when needed.
[PATCH 4/4] emacs: Speed up starting the REPL.