bug#62413: 29.0.60; [PATCH] save-place-mode cannot restore saved position

[Eli Zaretskii <eliz@gnu.org>]

> From: Liu Hui <liuhui1610@gmail.com>
> Date: Tue, 4 Apr 2023 09:37:26 +0800
> Cc: Eli Zaretskii <eliz@gnu.org>, 62413@debbugs.gnu.org, bug-gnu-emacs@gnu.org
> 
> Ruijie Yu <ruijie@netyu.xyz> 于2023年4月3日周一 11:06写道：
> 
> > Two minor comments below.
> >
> > > @@ -90,8 +92,32 @@ save-place-forget-unreadable-files
> > >  (defcustom save-place-abbreviate-file-names nil
> > > [...]
> > > +  :set (lambda (sym val)
> > > +         (set-default sym val)
> > > +         (let ((fun (if val 'abbreviate-file-name 'expand-file-name)))
> >
> > I believe function quotes "#'" are preferred over simple quotes "'" when
> > dealing with functions.
> 
> OK
> 
> > > @@ -214,7 +241,11 @@ save-place-to-alist
> > >                           ((and (derived-mode-p 'dired-mode) directory)
> > >                            (let ((filename (dired-get-filename nil t)))
> > >                              (if filename
> > > -                                `((dired-filename . ,filename))
> > > +                                   (list
> > > +                                    (cons 'dired-filename
> > > +                                          (if save-place-abbreviate-file-names
> > > +                                              (abbreviate-file-name filename)
> > > +                                            filename)))
> >
> > It seems that you rewrote the quote-backquote thing with regular
> > list-cons construct -- no comments on that.  I noticed that here, and in
> > a few other places, you are reusing the exact `if' construct multiple
> > times.  Does that warrant defining a helper function?
> 
> I feel such a function is too short.
> 
> > Also, while I was about to send the mail, regarding the docstring of
> > `save-place-abbreviate-file-names', instead of letting the user enable
> > `save-place-mode', would it be better if you directly call facilities in
> > saveplace to load `save-place-alist' from file system, within your :set
> > function?
> 
> Thanks for the suggestion. I have added `save-place-load-alist-from-file'
> to the :set function in the new patch.

Thanks, I installed this on the master branch, and I'm therefore
closing this bug.