runtime(doc): clarify that a umask is applied to mkdir()
fixes: #16849
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 80b8a9c..ec10889 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt* For Vim version 9.1. Last change: 2025 Feb 23
+*builtin.txt* For Vim version 9.1. Last change: 2025 Mar 11
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -7587,9 +7587,8 @@
If {prot} is given it is used to set the protection bits of
the new directory. The default is 0o755 (rwxr-xr-x: r/w for
the user, readable for others). Use 0o700 to make it
- unreadable for others. This is only used for the last part of
- {name}. Thus if you create /tmp/foo/bar then /tmp/foo will be
- created with 0o755.
+ unreadable for others. This is used for the newly created
+ directories. Note an umask is applied to {prot} (on Unix).
Example: >
:call mkdir($HOME .. "/tmp/foo/bar", "p", 0o700)