Don't throw out punctuation when "canonizing" words

This caused a pretty disastrous failure of the game when the team
chose "Programming languages"; people submitted C, C++, and C#; and
the word list they were presented for voting had only C# in it.

diff --git a/empathy.js b/empathy.js
index 3a3f80de007e6eab8a0b855a8a4f908d6b834d45..cb691485c0e928ccef8ae4cf9ac0e478877a74ce 100644 (file)
--- a/empathy.js
+++ b/empathy.js
@@ -145,7 +145,7 @@ class Empathy extends Game {
   }
 
   canonize(word) {
-    return word.replace(/[^a-zA-Z0-9]/g, '').toLowerCase();
+    return word.toLowerCase();
   }
 
   compute_scores() {