Spellcheck warnings (brotzeit#14)

* Use correct quotes in rust-spellcheck.el docstrings

Fixes

In toplevel form:
rustic-spellcheck.el:18:9: Warning: defvar ‘rustic-spellcheck-arguments’ docstring has wrong usage of unescaped single quotes (use \=' or different quoting such as `...')

In rustic-cargo-spellcheck:
rustic-spellcheck.el:92:2: Warning: docstring has wrong usage of unescaped single quotes (use \=' or different quoting such as `...')

In rustic-cargo-spellcheck-command:
rustic-spellcheck.el:106:2: Warning: docstring has wrong usage of unescaped single quotes (use \=' or different quoting such as `...')

In rustic-cargo-spellcheck-rerun:
rustic-spellcheck.el:117:2: Warning: docstring has wrong usage of unescaped single quotes (use \=' or different quoting such as `...')

* Remove unused variable in rustic-cargo-spellcheck-command

Fixes:

rustic-spellcheck.el:110:11: Warning: Unused lexical variable ‘spellcheck-command’

---------

Co-authored-by: Ola Nilsson <[email protected]>

rustic-spellcheck.el

@@ -16,7 +16,7 @@
   "Buffer name for spellcheck buffers.")
 
 (defvar rustic-spellcheck-arguments ""
-  "Holds arguments for 'cargo spellcheck', similar to `compilation-arguments`.")
+  "Holds arguments for `cargo spellcheck', similar to `compilation-arguments`.")
 
 (defvar rustic-cargo-spellcheck-mode-map
   (let ((map (make-sparse-keymap)))
@@ -90,7 +90,7 @@ Error matching regexes from compile.el are removed."
 
 ;;;###autoload
 (defun rustic-cargo-spellcheck (&optional arg)
-  "Run 'cargo spellcheck'.
+  "Run `cargo spellcheck'.
 
 If ARG is not nil, use value as argument and store it in
 `rustic-spellcheck-arguments'.  When calling this function from
@@ -104,18 +104,17 @@ If ARG is not nil, use value as argument and store it in
          (t ""))))
 
 (defun rustic-cargo-spellcheck-command (&optional spellcheck-args)
-  "Start compilation process for 'cargo spellcheck' with optional SPELLCHECK-ARGS."
+  "Start compilation process for `cargo spellcheck' with optional SPELLCHECK-ARGS."
   (let* ((command (list (rustic-cargo-bin) "spellcheck"))
          (c (append command (split-string (if spellcheck-args spellcheck-args ""))))
-         (spellcheck-command (string-join c " "))
          (buf rustic-spellcheck-buffer-name)
          (proc rustic-spellcheck-process-name)
          (mode 'rustic-cargo-spellcheck-mode))
     (rustic-spellcheck-compilation c (list :buffer buf :process proc :mode mode))))
 
 ;;;###autoload
 (defun rustic-cargo-spellcheck-rerun ()
-  "Run 'cargo spellcheck' with `rustic-spellcheck-arguments'."
+  "Run `cargo spellcheck' with `rustic-spellcheck-arguments'."
   (interactive)
   (rustic-cargo-spellcheck-command rustic-spellcheck-arguments))