Package: emacs,org-mode

0. emacs -Q
1. enable save-place-mode
2. visit an org file with a single line:

#+DATE: 2020-11-08

The cursor always jumps to the fixed place inside the date,
and doesn't remember its previous position.  Here is a fix
to not set buffer-file-name (that causes save-place-mode to save
wrong place for that file name) in a temporary buffer: