From 167c63be7eba2012a100b5af2edb4e443b11e4ac Mon Sep 17 00:00:00 2001
From: David Mitchell <davem@iabyn.com>
Date: Mon, 29 Jul 2024 20:40:51 +0100
Subject: [PATCH] lib/ExtUtils/typemap: add some comments

Add a few lines to the top of this file explaining what its purpose is.
---
 lib/ExtUtils/typemap | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/ExtUtils/typemap b/lib/ExtUtils/typemap
index 23073087a7..5ade80809d 100644
--- a/lib/ExtUtils/typemap
+++ b/lib/ExtUtils/typemap
@@ -1,3 +1,9 @@
+# This file is the standard typemap for the perl distribution
+# and is included by XS files by default.
+#
+# It contains definitions for common C types (such as char *),
+# and for basic perl-defined C types (such as IV,  SV*).
+
 # basic C types
 int			T_IV
 unsigned		T_UV