bug#50459: 28.0.50; Python shell completion is incompatible with flex, orderless, etc.

[Dmitry Gutov]

On 10.09.2021 16:14, João Távora wrote:
> - If you're OK with letting the server do the filtering and the
>    highlighting, you can make a "backend" style like I did for SLY, for
>    example.  It's going to be faster, but `completion-styles` won't be
>    honoured.  That's doesn't mean you give up 100% on "flex".  In SLY,
>    there is flex implemented on the Common Lisp side, and for Eglot, many
>    LSP server do their own flex matching.

You can't really do that with python-shell completion. Nor do you need 
do: the basic pcmpl mechanism should work just fine with it, and for 
performance the completion table just needs some smarter caching.