Subject: Re: bug#38807: [Feature request]: Support lisp workers like web workers.

From: Eli Zaretskii <[email-masked]>
Date: Sat, 04 Jan 2020 11:07:22 +0200

> Date: Sat, 4 Jan 2020 16:11:23 +0800
> From: HaiJun Zhang <[email-masked]>
> Cc: [email-masked], [email-masked]
> 
> I extracted some text from the VSCode extension development guide. Hope you can get an overview first.

Where does it say how to cause VSCode display an equivalent to an
image or an overlay string over some text in a buffer?