From fbe23b5797e389816d790787dee7027c6e9ae70e Mon Sep 17 00:00:00 2001
From: Emanuele Torre <torreemanuele6@gmail.com>
Date: Fri, 19 May 2023 03:34:07 +0200
Subject: [PATCH] docs: document that curl_url_cleanup(NULL) is a safe no-op

This has always been the case, but it was not documented.

The paragraph was copied verbatim from curl_easy_cleanup.3

Closes #11150
---
 docs/libcurl/curl_url_cleanup.3 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/libcurl/curl_url_cleanup.3 b/docs/libcurl/curl_url_cleanup.3
index f483d3a94e..2e32668e6d 100644
--- a/docs/libcurl/curl_url_cleanup.3
+++ b/docs/libcurl/curl_url_cleanup.3
@@ -32,6 +32,9 @@ void curl_url_cleanup(CURLU *handle);
 .fi
 .SH DESCRIPTION
 Frees all the resources associated with the given \fICURLU\fP handle!
+
+Passing in a NULL pointer in \fIhandle\fP will make this function return
+immediately with no action.
 .SH EXAMPLE
 .nf
   CURLU *url = curl_url();