I answered myself with

autoload -U add-zle-hook-widget

Pier Paolo Grassi


Il giorno lun 17 ott 2022 alle ore 11:19 Pier Paolo Grassi <
pierpaolog@gmail.com> ha scritto:

> add-zle-hook-widget
> zsh: command not found: add-zle-hook-widget
>
> locate add-zle-hook-widget
> /usr/local/share/zsh/5.8/functions/_add-zle-hook-widget
> /usr/local/share/zsh/5.8/functions/_add-zle-hook-widget.zwc
> /usr/local/share/zsh/5.8/functions/add-zle-hook-widget
> /usr/local/share/zsh/5.8/functions/add-zle-hook-widget.zwc
>
> echo $fpath
> /root/scripts//zsh/functions/zle/  /usr/local/share/zsh/5.8/functions/
>
> why the command is not found? Should I do something to load the functions
> from fpath?
> thanks
>
> Pier Paolo Grassi
>
>
> Il giorno lun 17 ott 2022 alle ore 06:22 Bart Schaefer <
> schaefer@brasslantern.com> ha scritto:
>
>> On Sun, Oct 16, 2022 at 8:40 PM Ray Andrews <rayandrews@eastlink.ca>
>> wrote:
>> >
>> > On 2022-10-16 18:07, Bart Schaefer wrote:
>> > > You might find something like this interesting:
>> > That is really elegant.
>>
>> Actually that implementation is kind of ugly.  I completely forgot
>> about this much prettier way:
>>
>> show-trailing-space() {
>>   if [[ $BUFFER = *(' '|$' \n'*)
>>         || $PREBUFFER = *$' \n'* ]]
>>   then POSTDISPLAY=$'\u21a9'
>>   else unset POSTDISPLAY
>>   fi
>> }
>> zle -N show-trailing-space
>> add-zle-hook-widget line-pre-redraw show-trailing-space
>> add-zle-hook-widget history-line-set show-trailing-space
>>
>>