X-Git-Url: http://git.joshuawise.com/tdl.git/blobdiff_plain/7024e37b2ce8baad2236d13746dead68678846b6..HEAD:/tdl.h

diff --git a/tdl.h b/tdl.h
index 6faa193..14c25a5 100644
--- a/tdl.h
+++ b/tdl.h
@@ -60,6 +60,7 @@ struct node {
   long done;
   char *scratch; /* For functions to attach stuff to nodes */
   int iscratch;  /* More scratch space */
+  int idx; /* Keep your number, even after having been sorted. */
   char flag;
 };