Add comments about required includes.

diff --git a/ChangeLog b/ChangeLog
index bb6aebfbc9400439ef946833fc433956ec7bde71..41e67aeb862af8201b1abb511d3767052bf9ad9b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-02-03  Bruno Haible  <bruno@clisp.org>
+
+       * lib/diffseq.h: Add comments about required #includes.
+       Reported by Michael Biggs <gnulib@doubleplum.net>.
+
 2008-02-01  Bruno Haible  <bruno@clisp.org>
 
        * users.txt: Add gnuit.

diff --git a/lib/diffseq.h b/lib/diffseq.h
index 5940b94301e5bc7c9dd8c6ebad20a779a6b0b702..ad8b8b3a205cf05fba83de1816ac2a9e1b15547a 100644 (file)
--- a/lib/diffseq.h
+++ b/lib/diffseq.h
@@ -1,6 +1,6 @@
 /* Analyze differences between two vectors.
 
-   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006, 2007 Free
+   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2008 Free
    Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
@@ -50,7 +50,12 @@
      NOTE_DELETE(ctxt, xoff) Record the removal of the object xvec[xoff].
      NOTE_INSERT(ctxt, yoff) Record the insertion of the object yvec[yoff].
      USE_HEURISTIC           (Optional) Define if you want to support the
-                             heuristic for large vectors.  */
+                             heuristic for large vectors.
+   Before including this file, you also need to include:
+     #include <limits.h>
+     #include <stdbool.h>
+     #include "minmax.h"
+ */
 
 /* Maximum value of type OFFSET.  */
 #define OFFSET_MAX \