Improve error message when Hunspell dictionaries are misconfigured

* lisp/textmodes/ispell.el
(ispell-find-hunspell-dictionaries): Produce a meaningful
error message if Hunspell dictionaries are misconfigured.
(Bug#32319)

1 files changed, 6 insertions, 0 deletions

diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el
index e6f436fa1a1..87bcb5d651a 100644
--- a/lisp/textmodes/ispell.el
+++ b/lisp/textmodes/ispell.el
@@ -1173,6 +1173,12 @@ dictionary from that list was found."
     ;; Parse and set values for default dictionary.
     (setq hunspell-default-dict (or hunspell-multi-dict
                                     (car hunspell-default-dict)))
+    ;; If hunspell-default-dict is nil, ispell-parse-hunspell-affix-file
+    ;; will barf with an error message that doesn't help users figure
+    ;; out what is wrong.  Produce an error message that points to the
+    ;; root cause of the problem.
+    (or hunspell-default-dict
+        (error "Can't find Hunspell dictionary with a .aff affix file"))
     (setq hunspell-default-dict-entry
           (ispell-parse-hunspell-affix-file hunspell-default-dict))
     ;; Create an alist of found dicts with only names, except for default dict.