Move the json_min() and json_max() macros to json_util.h and mark everything else in bits.h deprecated.
Eliminate all uses of bits.h within the json-c code.
diff --git a/bits.h b/bits.h
index 6feee9e..d14a1db 100644
--- a/bits.h
+++ b/bits.h
@@ -1,4 +1,7 @@
-/*
+/**
+ * @file
+ * @deprecated Use json_util.h instead.
+ *
  * $Id: bits.h,v 1.10 2006/01/30 23:07:57 mclark Exp $
  *
  * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
@@ -12,17 +15,21 @@
 #ifndef _bits_h_
 #define _bits_h_
 
-#ifndef json_min
-#define json_min(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef json_max
-#define json_max(a,b) ((a) > (b) ? (a) : (b))
-#endif
-
+/**
+ * @deprecated
+ */
 #define hexdigit(x) (((x) <= '9') ? (x) - '0' : ((x) & 7) + 9)
+/**
+ * @deprecated
+ */
 #define error_ptr(error) ((void*)error)
+/**
+ * @deprecated
+ */
 #define error_description(error)  (json_tokener_get_error(error))
+/**
+ * @deprecated
+ */
 #define is_error(ptr) (ptr == NULL)
 
 #endif