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Re: elisp question:keyboard-translate with hyper fail?


From: Xah Lee
Subject: Re: elisp question:keyboard-translate with hyper fail?
Date: Fri, 11 Mar 2011 23:07:06 -0800 (PST)
User-agent: G2/1.0

On Mar 11, 6:54 pm, Stefan Monnier <address@hidden> wrote:
> > ;; Swap “Ctrl+x” and “Ctrl+t”, so it's easier to type on Dvorak layout
> > (keyboard-translate ?\C-t ?\C-x)
> > (keyboard-translate ?\C-x ?\C-t)
>
> There are 32 Ctrl+letter combinations which are characters, and the
> above two are among them.  These are exceptional special cases due
> to history.  My general recommendation is to not use keyboard-translate
> but key-translation-map or function-key-map, which work on arbitrary
> key sequences rather only on single-char events.
>
>         Stefan

thanks to all.

perhaps the doc can be improved.

i just read up the elisp doc and it actually gives a C- example.

 -- Function: keyboard-translate from to
     This function modifies `keyboard-translate-table' to translate
     character code FROM into character code TO.  It creates the
     keyboard translate table if necessary.

   Here's an example of using the `keyboard-translate-table' to make
`C-x', `C-c' and `C-v' perform the cut, copy and paste operations:

     (keyboard-translate ?\C-x 'control-x)
     (keyboard-translate ?\C-c 'control-c)
     (keyboard-translate ?\C-v 'control-v)
     (global-set-key [control-x] 'kill-region)
     (global-set-key [control-c] 'kill-ring-save)
     (global-set-key [control-v] 'yank)

also note it uses the syntax 「'control-x」. I don't quite understand
it...

should it be a bug report?

 Xah


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