X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcfg%2Fnothing.h;h=4c18a1230e65f44256d58b60d0e866d331a36dba;hb=78eea60c48fd902dd469654a69b1dcf5abb93f0c;hp=0edfdc92c43494921e63c9c026342265930aebf3;hpb=0b1a1fb4f820c70802478793b34240e0435fbb4e;p=bertos.git

diff --git a/bertos/cfg/nothing.h b/bertos/cfg/nothing.h
index 0edfdc92..4c18a123 100644
--- a/bertos/cfg/nothing.h
+++ b/bertos/cfg/nothing.h
@@ -30,9 +30,21 @@
  * All Rights Reserved.
  * -->
  *
- * \brief Empty file used to #include <nothing> in macro expansion.
+ * \brief Empty file used to include "nothing" in macro expansion.
+ *
+ * If you want to conditionally include some file you can use this module 
+ * as a dummy header:
+ *
+ * \code
+ * #if COND
+ * 	#define MYHEADER <realheader.h>
+ * #else
+ * 	#define MYHEADER <cfg/nothing.h>
+ * #endif
+ * \endcode
  *
  * \version $Id$
  *
  * \author Francesco Sacchi <batt@develer.com>
  */
+