Oh my god, Nice found, thanks very much, it seams that you found the reason...
Thank you !!! Nice day to you also Le 2021-11-25 12:34, Thomas Schmitt
<scdbac...@gmx.net> a écrit : > > Hi, > > lists.deb...@netc.eu wrote: > > To
test I did "sudo apt install" and it worked !!!! > > [...] > > But just after I
retried "apt install" and it not work. Here is all the output: > > [...] > > $
sudo apt install nfs-common > > Lecture des listes de paquets... Fait > > [...]
> > $ sudo apt install nfs-common > > sudo: apt install nfs-common : commande
introuvable > > Now it seems to work again... > > Any idea ? > > It seems
strange that sudo lists in its error message the two arguments > together with
the program name "apt". > So probably the perceived blanks in the failing line
are not whitespace > in the eyes of the shell parser. > > If i copy+paste your
first (successful) sudo line into od, i get to see > regular blank characters
(ASCII 32 decimal): > > $ echo 'sudo apt install nfs-common' | od -c > 0000000
s u d o a p t i n s t a l l > 0000020 n f s - c o m m o n \n > > But the second
(failing) line yields multi-byte UTF-8 characters instead: > > $ echo 'sudo apt
install nfs-common' | od -c > 0000000 s u d o a p t 342 200 203 i n s t a >
0000020 l l 342 200 203 n f s - c o m m o n \n > > This is not my old enemy
"Nbsp", which would be 302 240 (0xc2 0xa0). > > As hex it is 0xe2 0x80 0x83. I
find it on >
https://www.utf8-chartable.de/unicode-utf8-table.pl?start=8064&names=-&utf8=0x
> as U+2003 which brings me to > https://www.compart.com/en/unicode/U+2003 >
"Em Space" > "Em" seems to be a typographic width (size like in a fixed font ?)
> https://en.wikipedia.org/wiki/Em_%28typography%29 > > I read about U+2003 in
> https://en.wikipedia.org/wiki/Whitespace_character > "Also known as "mutton".
Width of one em. U+2001 Em Quad is canonically > equivalent to this character;
U+2003 is preferred. > HTML/XML named entity:  , LaTeX: '\quad'" > > Nbsp
gets produced on an unmodified xterm by the combined Shift + Space > keys. You
will have to find out on your own how your keyboard (or paste > buffer ?)
produces Em Space. > > > Have a nice day :) > > Thomas > >