Lisp: Support CLHS Guix package

.emacs.d/lisp/init-lisp.el

@@ -126,7 +126,12 @@
 (add-hook 'slime-connected-hook #'ambrevar/slime-use-global-input-ring)
 
 ;; Read CLHS locally.
-(load "~/.quicklisp/clhs-use-local.el" 'noerror)
+(or
+ ;; Quicklisp package.
+ (load "~/.quicklisp/clhs-use-local.el" 'noerror)
+ ;; Unofficial Guix package (non-free license).
+ (when (require 'clhs nil 'noerror)
+   (clhs-setup)))
 
 ;;; Scheme.
 ;; (setq geiser-repl-skip-version-check-p t