fix ci failure

exercism · Jun 25, 2024 · bb11561 · bb11561
1 parent a79d868
commit bb11561
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/exercises/practice/parallel-letter-frequency/.meta/example.el b/exercises/practice/parallel-letter-frequency/.meta/example.el
@@ -7,8 +7,9 @@
 (require 'cl-lib)
 
 (defun clean-text (text)
-  "Clean up the text by removing spaces, tabs, numbers and converting to lowercase."
-  (downcase (replace-regexp-in-string "[^[:alpha:]]" "" text)))
+  "Clean up the text by removing numbers, punctuation, and whitespace, but keeping alphabetic characters (including Unicode) and converting to lowercase."
+  (let ((cleaned-text (replace-regexp-in-string "[^[:alpha:]]" "" text)))
+    (downcase cleaned-text)))
 
 (defun combine-frequencies (freqs-list)
   "Combine a list of frequency hash tables into a single hash table."