- Replaced a "mysql_query()" by a "db_query" as identified by Moshe (see
  his sandbox) and fixed some typos in the module's comments.

  * Moshe: what are the $wordlist changes you made?  Mind to elaborate a
           bit on those?

  * TODO: validate the SQL queries used in the search module using a SQL
          validator tool - I wonder whether they are ANSI compliant.


-    // If the word is preceeded by a "+", then this word is required, and
+    // If the word is proceeded by a "+", then this word is required, and

-        $inputword = ("INSERT INTO search_index VALUES('$key', ". $node["lno"] .", '$node_type', $value)");
-        mysql_query($inputword);
+        db_query("INSERT INTO search_index VALUES('$key', ". $node["lno"] .", '$node_type', $value)");
       }

-      // Zap the weighted words array, so we dont add multiples.
+      // Zap the weighted words array, so we don't add multiples.