"I have some old patches that I created in 2001 that don't seem to do anything now. I hit play and nothing happens. I have gone through the various parameters and don't see anything that would prevent them from working. I have tried…"
"You mis-spelled the name i think, so that was what was throwing me when i did a search. I'm going to assume you meant "Regionizer", not 'Regionalizer".
So, try setting the pen Mode (Pen Mode control panel) to Region Fill as…"