Re: mapping ALT-backspace

On Wed, 2 Nov 2011, meino.cramer@gmx.de wrote:

> Hi,
>
> the zsh I am using is recoginzing ALT-backspace as "delete one word
> backward", which is very handy.
>
> Unfortunately I have not found a way to map this in a similiar way for
> vim.
>
> How can I map ALT-backspace in vim?

Try using <Esc><BS> as your {lhs}. Works for me under rxvt-unicode
(what I normally use) and uxterm (tested). See the description under:

:help :map-alt-keys

for what's happening.

Most terminal emulators don't by default send what Vim assumes they
will. Default for most terms is to send Alt+{key} as <esc> followed by
{key}, but Vim expects {key} OR'ed with 0x80. Good emulators can be
told to send what Vim expects, and it's possibly a better situation (not
ambiguous between a literal <esc> then {key} and <alt>+{key}), but
frankly, just as often it causes problems (cf. numerous posts about
problems with mapping characters outside of US-ASCII).

--
Best,
Ben

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