Bug (?) in compose

[Ilya Anfimov]

On Fri, Sep 30, 2016 at 05:58:56PM +0300, Clock Source wrote:
> 
> 
> On Fri, 30 Sep 2016 17:18:31 +0300
> Ilya Anfimov <ilan at tzirechnoy.com> wrote:
> 
> > On Fri, Sep 30, 2016 at 04:25:20PM +0300, Clock Source wrote:
> > > Good day!
> > > 
> > > Please get me a tips, where I must catch bug. Not all compose
> > > combinations work. For example:  
> > 
> >  Why do you think that something does not work?
> 
> In case "not work", no character printed at all. 

 And how do you try to print that characters?

 (I could also note, that xev output is exactly that
is expected when typing that composed sequences)