bug#43695: 28.0.50; FTP tramp fails with some dired listing switches

[Jean Louis]

* Michael Albinus <michael.albinus@gmx.de> [2020-09-30 14:30]:
> Jean Louis <bugs@gnu.support> writes:
> 
> Hi Jean,
> 
> >> > So I think that my dired switches like "-gohl
> >> > --group-directories-first" are disturbing the FTP.
> >> >
> >> > Maybe special switches shall be used for FTP and special for dired, so
> >> > that such do not conflict.
> >>
> >> ange-ftp has already a check for proper dired switches. Does the
> >> appended patch fixes your problem?
> >
> > As I cannot implement your patch easily and directly, I would just
> > like to re-define the function, is it this one? Please send me your
> > function in complete, that I can try it out.
> 
> Yes, your redefinition is roughly what I have proposed. However, you use
> --group-directories-first, which should have a similar effect as my
> patch. So I doubt that ange-ftp-switches-ok is responsible for the
> problem.
> 
> Could you pls send a backtrace when the error happens to you?

How do I make backtrace? From debug?