Some filenames ending with tilde

[Jürgen Spitzmüller]

Am Montag, dem 06.03.2023 um 09:26 +0100 schrieb Daniel CLEMENT via
lyx-users:
> I've just recently noticed that some .lyx~ files remain alongside my
> regular LyX documents.
> 
> They are not hidden, but the Mac file browser adds a subtitle to
> them: 
> "non admissible" (in French...)

These are backup files. They are done and updated (by default) each
time you safe the current document.

> Shouldn't they be erased automatically? 

No, they are meant as a permanent backup, should your original file get
corrupted or lost.

In order to open them with LyX, you probably need to remove the
trailing tilde.

(The trailing tilde is an established marker of backup files, coming
from the Emacs text editor)

> Is there a setting that I'm missing?

In Tools > Preferences > Look & Feel > Document Handling, you can
disable "Backup original documents when saving" if you really do not
want these backups.

In Tools > Preferences > Paths, you can setup a "Backup directory"
where all these backups are stored rather than alongside the original
document.

HTH,
-- 
Jürgen