Re: narrow color bar using display properties

[Eli Zaretskii]

> From: Eric Abrahamsen <eric@ericabrahamsen.net>
> Date: Tue, 05 Mar 2013 14:26:45 +0800
> 
> I've got my cursor-type set to a colored bar, and looking at it today I
> thought it would be very nice if I could create a similar effect with
> code: presumably using text properties (I'm guessing the display
> property) to lay a bar of color (either background color or a
> transparent foreground color) over existing text, only a couple of
> pixels wide and aligned left, without otherwise disturbing the placement
> of the text beneath.

I don't get it: do you mean to have a color bar to the left of _every_
character in a region of text?  Why would want something like that?
Or did I misunderstand what you want?