[oni-core] Add settings for spell checking

- Inhibit the use of the ’ character in case a ' should be used so that spell
  checking programs don't get confused.

- Explicitly use the ‘hunspell’ program to perform spell checking.

oni-core.el

@@ -4,7 +4,7 @@
 
 ;; Author: Tom Willemse <tom@ryuslash.org>
 ;; Keywords: local
-;; Version: 2021.0921.232841
+;; Version: 2021.1110.213201
 ;; Package-Requires: (oni-data-dir oni-embrace oni-hydra expand-region multiple-cursors gcmh diminish ws-butler which-key insert-char-preview dashboard mixed-pitch)
 
 ;; This program is free software; you can redistribute it and/or modify
@@ -293,6 +293,20 @@ _s_: String list"
   ;; I’m used to working with Monday as the starting day.
   (setq calendar-week-start-day 1))
 
+(defun oni-core-in-word-p ()
+  "Check whether the character just typed was part of a word."
+  (save-excursion
+    (backward-char)
+    (looking-back (rx word) (1- (point)))))
+
+(with-eval-after-load 'electric
+  (add-hook 'electric-quote-inhibit-functions #'oni-core-in-word-p))
+
+(eval-when-compile (require 'ispell))
+(with-eval-after-load 'ispell
+  (setq ispell-program-name "hunspell"
+        ispell-really-hunspell t))
+
 ;; Enable any modes that I want to have turned on right away.
 
 (electric-indent-mode -1)