Re: Refresh bug after line deletion

[P.Stephenson@swansea.ac.uk]

I wrote:
> Deleting and yanking lines in vared (or zed) causes dereferenced null
> problems.  This is in beta8.
> 
> % print $foo
> first line
> second line
> third line
> % vared foo
> [go to second line, type ^K twice, go to first line, type ^y, type
         ^^^^^^^^^^^ that's beginning of line, I should have said
> cursor down]
> zsh: 25950 segmentation fault (core dumped)  zsh

This is still broken in the current source.  If no-one who knows about
zle_refresh.c is going to look at this my previous patch should go in;
I don't propose to waste any more time on it myself.

-- 
Peter Stephenson <P.Stephenson@swansea.ac.uk>  Tel: +44 1792 205678 extn. 4461
WWW:  http://python.swan.ac.uk/~pypeters/      Fax: +44 1792 295324
Department of Physics, University of Wales, Swansea,
Singleton Park, Swansea, SA2 8PP, U.K.