completers: Add unix pipe like completer
The completer gets the current preedit on stdin and can output a list of
completions. We default to cat which just offers the current preedit
as completion.
Signed-off-by: Guido Günther agx@sigxcpu.org
The completer gets the current preedit on stdin and can output a list of
completions. We default to cat which just offers the current preedit
as completion.
Signed-off-by: Guido Günther agx@sigxcpu.org