From a29e0def776d0857020a25648fc1a1949db20b6f Mon Sep 17 00:00:00 2001
From: mdw <mdw>
Date: Fri, 25 Mar 2005 13:20:05 +0000
Subject: [PATCH] Allow `.' as a wildcard.  Makes Scrabble playing easier.

---
 anagram.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/anagram.c b/anagram.c
index c422506..521d727 100644
--- a/anagram.c
+++ b/anagram.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: anagram.c,v 1.2 2004/04/08 01:36:19 mdw Exp $
+ * $Id$
  *
  * Matches anagrams and subgrams
  *
@@ -78,9 +78,12 @@ static int n_gram(node *nn, const char *p, size_t sz)
   q = p + sz;
   while (p < q) {
     i = (unsigned char)*p++;
-    if (!f[i])
+    if (f[i])
+      f[i]--;
+    else if (f['.'])
+      f['.']--;
+    else
       return (0);
-    f[i]--;
   }
   return (1);
 }
-- 
2.11.0