bug#26274: 26.0.50; completion regression

[Stephen Berman]

On Mon, 27 Mar 2017 12:56:19 +0200 Stephen Berman <stephen.berman@gmx.net> 
wrote:

> Substring completion involving non-ascii characters (with or without
> case-folding) does not work in current master as it had till recently
> and still does in Emacs 25.2 (my most recent build from master is from
                                    
Oops: s/most recent/oldest/

> March 15 and it also shows the problem).  To reproduce:

Steve Berman