readline rl_completion_append_character equivalent

["Martin v. Löwis"]

> I've been writing a readline application with a custom completer.
> What I can't figure out is an equivalent to
> rl_completion_append_character in the underlying C library.

As Holger explains, there is no equivalent. If you need to have this 
feature exposed, please modify the readline module, and submit a patch 
to sf.net/projects/python.

Regards,
Martin