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Re: Tab bar tabs landed on master

From: Eli Zaretskii
Subject: Re: Tab bar tabs landed on master
Date: Sun, 06 Oct 2019 22:38:23 +0300

> From: Juri Linkov <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Sun, 06 Oct 2019 22:23:42 +0300
> > Does it mean the tab-bar related "C-x 6" prefix conflicts with 2C?  If
> > so, perhaps we should use "C-x 7" instead, as long as the genie is not
> > far from the bottle.
> "C-x 6" is the perfect prefix for tab commands because it's easier to
> remember as continuation of the sequence with window prefix "C-x 4"
> and frame prefix "C-x 5":

I agree, but if "C-x 6" is already used, it's taken.  Is it such a
catastrophe to use "C-x 7"?

> > I'd like to avoid backward-incompatible changes if possible.
> Actually it's not quite backward-incompatible because it's still
> available after loading two-column.el.

And then the tab-bar commands cannot be invoked via "C-x 6".  That's
very confusing, I think.  We should avoid a situation where 2 core
packages fight each other over key bindings.

> Also please read this comment in two-column.el that admits it's not mnemonic:
>   ;; This one is for historical reasons and simple keyboards, it is not
>   ;; at all mnemonic.  All usual sequences containing 2 were used, and
>   ;; f2 could not be set up in a standard way under Emacs 18.
>   (global-set-key "\C-x6" '2C-command)

It says nothing about whether people still use it, nor what exactly
"simple keyboards" means.  Sorry, I still think there's a problem

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