Linting Elisp

TL;DR:
- Prefer cl-lib
- Prefer spaces to tabs
- Resolve various checkdoc complaints

11 files changed, 23 insertions, 21 deletions

diff --git a/emacs/.emacs.d/wpc/al.el b/emacs/.emacs.d/wpc/al.el
index 92e1caa413f5..e29f853f8ea5 100644
--- a/emacs/.emacs.d/wpc/al.el
+++ b/emacs/.emacs.d/wpc/al.el
@@ -107,7 +107,7 @@
   "Set K to V in XS."
   (if (al-has-key? k xs)
       (progn
-	;; Note: this is intentional `alist-get' and not `al-get'.
+        ;; Note: this is intentional `alist-get' and not `al-get'.
         (setf (alist-get k xs) v)
         xs)
     (list-cons `(,k . ,v) xs)))
diff --git a/emacs/.emacs.d/wpc/clipboard.el b/emacs/.emacs.d/wpc/clipboard.el
index 8500b5a66ed0..47cc459061e3 100644
--- a/emacs/.emacs.d/wpc/clipboard.el
+++ b/emacs/.emacs.d/wpc/clipboard.el
@@ -20,19 +20,19 @@
 ;; Dependencies
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Library
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (cl-defun clipboard-copy (x &key (message "[clipboard.el] Copied!"))
-  "Copy string, X, to X11's clipboard."
+  "Copy string, X, to X11's clipboard and `message' MESSAGE."
   (kill-new x)
   (message message))
 
 (cl-defun clipboard-paste (&key (message "[clipboard.el] Pasted!"))
-  "Paste contents of X11 clipboard."
+  "Paste contents of X11 clipboard and `message' MESSAGE."
   (yank)
   (message message))
 
diff --git a/emacs/.emacs.d/wpc/colorscheme.el b/emacs/.emacs.d/wpc/colorscheme.el
index 69b3f1b153de..a02dc67c56a9 100644
--- a/emacs/.emacs.d/wpc/colorscheme.el
+++ b/emacs/.emacs.d/wpc/colorscheme.el
@@ -20,7 +20,7 @@
 
 (require 'cycle)
 (require '>)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Library
diff --git a/emacs/.emacs.d/wpc/cycle.el b/emacs/.emacs.d/wpc/cycle.el
index f13fb2098285..5ea015930017 100644
--- a/emacs/.emacs.d/wpc/cycle.el
+++ b/emacs/.emacs.d/wpc/cycle.el
@@ -19,7 +19,7 @@
 (require 'math)
 (require 'maybe)
 (require 'struct)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Wish list
diff --git a/emacs/.emacs.d/wpc/dotted.el b/emacs/.emacs.d/wpc/dotted.el
index 1c338cd43b50..f400affd6ec6 100644
--- a/emacs/.emacs.d/wpc/dotted.el
+++ b/emacs/.emacs.d/wpc/dotted.el
@@ -19,14 +19,14 @@
 
 (require 'prelude)
 (require 'macros)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Library
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (cl-defun dotted-new (&optional a b)
-  "Create a new dotted pair (i.e. cons cell)."
+  "Create a new dotted pair of A and B."
   (cons a b))
 
 (defun dotted-instance? (x)
diff --git a/emacs/.emacs.d/wpc/fonts.el b/emacs/.emacs.d/wpc/fonts.el
index 92f484967702..55fd0eae2f65 100644
--- a/emacs/.emacs.d/wpc/fonts.el
+++ b/emacs/.emacs.d/wpc/fonts.el
@@ -21,7 +21,7 @@
 (require 'cycle)
 (require 'device)
 (require 'maybe)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Constants
diff --git a/emacs/.emacs.d/wpc/ivy-helpers.el b/emacs/.emacs.d/wpc/ivy-helpers.el
index 69fcfb03386a..d13b99353451 100644
--- a/emacs/.emacs.d/wpc/ivy-helpers.el
+++ b/emacs/.emacs.d/wpc/ivy-helpers.el
@@ -14,15 +14,16 @@
 
 (require 'tuple)
 (require 'string)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Library
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (cl-defun ivy-helpers-kv (prompt kv f)
-  "PROMPT users with the keys in KV and return its corresponding value.  Calls F
-with the key and value from KV."
+  "PROMPT users with the keys in KV and return its corresponding value.
+
+Apply key and value from KV to F."
   (ivy-read
    prompt
    kv
diff --git a/emacs/.emacs.d/wpc/keyboard.el b/emacs/.emacs.d/wpc/keyboard.el
index 51e53e984083..d5a3f92f122b 100644
--- a/emacs/.emacs.d/wpc/keyboard.el
+++ b/emacs/.emacs.d/wpc/keyboard.el
@@ -18,7 +18,7 @@
 
 (require 'string)
 (require 'number)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Constants
diff --git a/emacs/.emacs.d/wpc/math.el b/emacs/.emacs.d/wpc/math.el
index 85a4efc94e19..9f6218fa4930 100644
--- a/emacs/.emacs.d/wpc/math.el
+++ b/emacs/.emacs.d/wpc/math.el
@@ -15,7 +15,7 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 (require 'maybe)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Constants
@@ -31,7 +31,6 @@
 ;; TODO: Support all three arguments.
 ;; Int -> Int -> Int -> Boolean
 (cl-defun math-triangle-of-power (&key base power result)
-  ;; TODO: Assert two of three are set.
   (cond
    ((maybe-somes? base power result)
     (error "All three arguments should not be set"))
diff --git a/emacs/.emacs.d/wpc/prelude.el b/emacs/.emacs.d/wpc/prelude.el
index 6708e27965e8..824a80f8047c 100644
--- a/emacs/.emacs.d/wpc/prelude.el
+++ b/emacs/.emacs.d/wpc/prelude.el
@@ -23,7 +23,7 @@
 (require 'dash)
 (require 's)
 (require 'f)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Utilities
@@ -130,7 +130,7 @@ This is a wrapper around `start-process' that has an API that resembles
              ,@program-args))))
 
 (defun prelude-executable-exists? (name)
-  "Return t if CLI tool NAME exists according to `exec-path'."
+  "Return t if CLI tool NAME exists according to the variable `exec-path'."
   (let ((file (locate-file name exec-path)))
     (require 'maybe)
     (if (maybe-some? file)
diff --git a/emacs/.emacs.d/wpc/tree.el b/emacs/.emacs.d/wpc/tree.el
index 4af383a8c088..ae5fba7950c9 100644
--- a/emacs/.emacs.d/wpc/tree.el
+++ b/emacs/.emacs.d/wpc/tree.el
@@ -37,7 +37,7 @@
 (require 'series)
 (require 'random)
 (require 'maybe)
-(require 'cl-macs)
+(require 'cl-lib)
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Library
@@ -116,9 +116,11 @@ Depth-first traversals have the advantage of typically consuming less memory
 
 (cl-defun tree-random (&optional (value-fn (lambda (_) nil))
                                  (branching-factor 2))
-  "Randomly generate a tree with BRANCHING-FACTOR using VALUE-FN to compute the
-node values.  VALUE-FN is called with the current-depth of the node.  Useful for
-generating test data.  Warning this function can overflow the stack."
+  "Randomly generate a tree with BRANCHING-FACTOR.
+
+This uses VALUE-FN to compute the node values.  VALUE-FN is called with the
+current-depth of the node.  Useful for generating test data.  Warning this
+function can overflow the stack."
   (cl-labels ((do-random
                (d vf bf)
                (make-node