A little bit of PCW history, from Jun Pineda, well worth looking at:
http://junpineda.com/2018/06/05/microdesign-3-my-first-desktop-publisher/ (http://junpineda.com/2018/06/05/microdesign-3-my-first-desktop-publisher/)
Nice read. Sounds quite impressive for the era!
And a little background: