bug#34873: 27.0.50; Creating unibyte string in emacs modules

[Eli Zaretskii]

> From: lg.zevlg@gmail.com
> Date: Sat, 16 Mar 2019 11:32:47 +0100
> Cc: 34873@debbugs.gnu.org
> 
>  Please explain why you need to create a unibyte string for that.  I
>  guess what's missing is more details regarding what you are trying to
>  do (the single sentence above about :data wasn't enough for me), and
>  how is your module involved in that, in particular why do you need a
>  module to display an image in Emacs.
> 
> See this thread 
> https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00465.html

I've read that (I read everything on emacs-devel).  It still doesn't
tell me enough to answer my questions, unfortunately.

> I need this module, because all existing packages to manipulate images are 
> not capable enough for me

Please tell more, if at all possible.  I don't think I understand the
context yet.