e70152e44cc66cc599ff6b699eb8adc07f3e656a
kent
  Sat May 24 21:09:34 2014 -0700
Adding Copyright NNNN Regents of the University of California to all files I believe with reasonable certainty were developed under UCSC employ or as part of Genome Browser copyright assignment.
diff --git src/hg/inc/cart.h src/hg/inc/cart.h
index 403d4c6..bf07fbc 100644
--- src/hg/inc/cart.h
+++ src/hg/inc/cart.h
@@ -1,19 +1,22 @@
 /* cart - stuff to manage variables that persist from
  * one invocation of a cgi script to another (variables
  * that are carted around).  */
 
+/* Copyright (C) 2014 The Regents of the University of California 
+ * See README in this or parent directory for licensing information. */
+
 #ifndef CART_H
 #define CART_H
 
 struct cart;         // forward definition for use in trackDb.h
 
 #include "jksql.h"
 #include "errabort.h"
 #include "dystring.h"
 #include "linefile.h"
 #include "trackDb.h"
 
 // If cgi set as CART_VAR_EMPTY, then removed from cart
 // If If cgi created new and oldVars are stored, then will be CART_VAR_EMPTY in old vars
 #define CART_VAR_EMPTY "[]"
 #define IS_CART_VAR_EMPTY(var) ((var) == NULL || sameString(var,CART_VAR_EMPTY))