From d50b450927b3f1491f53697a5b6629c3409a035f Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Sun, 25 Sep 2022 00:36:27 +0200
Subject: [PATCH] Update documentation.

---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index a2d99023..121a7687 100644
--- a/README.md
+++ b/README.md
@@ -5779,6 +5779,14 @@ putting a comma between each expanded 'func(argc)'
       ==>
       f(d, 1, a) , f(d, 2, b) , f(d, 3, c)
 
+##### M\_CROSS\_MAP(func, arglist1, arglist2)
+
+Apply 'func' to each pair composed of one argument of arglist1 and one argument of arglist2,
+
+      M_CROSS_MAP(f, (1, 3), (2, 4) )
+      ==>
+      f(1, 2) f(1, 4) f(3, 2) f(3, 4)
+
 ##### M\_MAP\_PAIR(func, args...)
 
 Map a macro to all given pair of arguments (Using recursion).