emacs-27 d3a4ce8: Revert "; * etc/NEWS: Remove temporary note on documentation. (Bug#42917)"

[Stefan Kangas]

branch: emacs-27
commit d3a4ce84201c5ea837cc2ddeba2fa01d67f7e6ab
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    Revert "; * etc/NEWS: Remove temporary note on documentation.  (Bug#42917)"
    
    This reverts commit 121be3e1181e609734fc4cc9d2d54cf7eec18ab2.
---
 etc/NEWS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/etc/NEWS b/etc/NEWS
index c44b513..2571108 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -15,6 +15,12 @@ in older Emacs versions.
 You can narrow news to a specific version by calling 'view-emacs-news'
 with a prefix argument or by typing 'C-u C-h C-n'.
 
+Temporary note:
++++ indicates that all relevant manuals in doc/ have been updated.
+--- means no change in the manuals is needed.
+When you add a new item, use the appropriate mark if you are sure it
+applies, and please also update docstrings as needed.
+
 
 * Installation Changes in Emacs 27.2