Re: prompt with \[ \] corrupted by vi history search

[Eric Blake]

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According to Mike Stroyan on 2/8/2006 6:29 PM:
>>My only concern is whether this patch also affects {non-,}incremental
>>searches in emacs mode.  But it sure solves the display bugs of doing
>>non-incremental searches in vi mode.  Thanks for the patch.
> 
> 
> I don't tend to use emacs mode.  A few quick experiments
> definitely show the prompt problem does occur with the
> non-incremental-reverse-search-history (M-p)
> feature in emacs mode.  The patch corrects that symptom as well.
> I don't see any problem with the incremental search.  It doesn't
> seem to ever try to incorporate the standard prompt.

It seems I spoke too soon.  Your patch works great on single-line prompts
with invisible characters, but breaks on multiline prompts:

$ set -o vi
$ PS1='\[\e]0;hi\a\]\n% '  # After this, I hit [ENTER][ESC]/P[Ctrl-c]
%

%
% /
% /
% /P

% # Wow - look at those extra lines!

- --
Life is short - so eat dessert first!

Eric Blake             ebb9@byu.net
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