diff -r fadd85984a28 -r ed02eb6c7a86 cpp.rst
--- a/cpp.rst	Wed Mar 02 15:01:36 2011 +0200
+++ b/cpp.rst	Thu Mar 03 10:29:33 2011 +0200
@@ -32,3 +32,9 @@
 ** Sun Studio C/C++ compiler.
 
   $ cc -## EMPTY.c
+
+** IBM AIX XL C/C++ compiler.
+
+  $ cc -qshowmacros -E EMPTY.c
+
+