From f7bf27dd7e7bac5f45c26c06e5be9af8562bf2dc Mon Sep 17 00:00:00 2001
From: rtobar <rtobarc@gmail.com>
Date: Tue, 8 Mar 2022 10:57:04 +0800
Subject: [PATCH] Document output_file default behavior correctly

The documentation for output_file incorrectly says that opening an output file happens with `file::WRONLY | file::CREATE` by default, but this includes `file::TRUNC` is also included since 119f7dc3d.
---
 include/fmt/os.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fmt/os.h b/include/fmt/os.h
index 1c1eb659..d7ba5f4c 100644
--- a/include/fmt/os.h
+++ b/include/fmt/os.h
@@ -460,7 +460,7 @@ class FMT_API ostream final : private detail::buffer<char> {
 
   * ``<integer>``: Flags passed to `open
     <https://pubs.opengroup.org/onlinepubs/007904875/functions/open.html>`_
-    (``file::WRONLY | file::CREATE`` by default)
+    (``file::WRONLY | file::CREATE | file::TRUNC`` by default)
   * ``buffer_size=<integer>``: Output buffer size
 
   **Example**::