Environment data

PS version: 6.2.0-preview.4
PSReadline version: 2.0.0-beta3
os: 10.0.18836.1002 (WinBuild.160101.0800)
PS file version: 6.2.0

Steps to reproduce or exception report

Enable Narrator on Windows. Start typing in PowerShell: dir

Currently, it reads: d, di, dir

Some users who type long command lines prefer not to read the entire line (this is reported by customers). Instead, they prefer it reads: d, i, r.

Narrator (and other screen readers) read what is sent to the console, so one option is to have a mode that doesn't re-render the line. This will have some side effects like not correctly supporting coloring, but this is opt-in for the purpose of screen readers so should be fine.