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Re: [PATCH] Switch vi-insert TAB binding only for the default binding
From: |
Chet Ramey |
Subject: |
Re: [PATCH] Switch vi-insert TAB binding only for the default binding |
Date: |
Fri, 15 Feb 2019 11:31:13 -0500 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 |
On 2/10/19 7:53 PM, Koichi Murase wrote:
>
> There may be several choices to fix this.
>
> a. One is to introduce a new variable that memorizes whether the
> binding has been defined by users or not. Or, maybe there are other
> ways to manage the information. Then, only when the binding is not
> defined by users, switch the binding. However the code to update the
> variable would become dirty (i.e., maybe one needs to add codes to
> readline).
>
> b. Another way is to switch the binding only when the current
> binding is the same with the default one. The implementation is
> simple, but not complete: when the user-defined binding is the same
> with the default one, the binding will be switched unexpectedly.
> Nevertheless this is far better than the current behavior.
There is a third option: turning posix mode on saves the old binding
for TAB; turning it off restores it. That, combined with a check of
whether or not the binding was still TAB:self-insert, should handle
both cases.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/