--- data/extr1.c.str	2011-04-14 05:32:56.000000000 +0200
+++ data/extr1.c	2011-04-14 05:33:06.000000000 +0200
@@ -21,7 +21,7 @@
     sscanf(line, "%s %s %d", aa, bb, &usecount);
 
     if (utf8_str_N(aa)==1)
-      printf(line);
+      printf("%s",line);
   }
 
   return 0;