I’v been working with Renoise 1.8 for a couple of weeks now, really cool, and most things are easy to find, but I can’t figure out how to delete a keypoint in the automation envelope.
Simply double-click on the point you want to delete. 
Kewl Thats handy!
I think I’d never found it without looking in the manual. Every time I want to use the help function within Renoise it wants to connect to the internet, but I don’t want my music computer to connect to the internet so I blocked the IP in my router.
I think I read somewhere on the forum that the manual is also included in .rar file that I downloaded when I registred my copy of Renoise, maybe I should search for it one time, but you know making musik is so much cooler then reading manuals!
Well as we say in Holland: “To make a long story short” thanks man!
You can also hold down shift while dragging a new point. This will then overwrite (clear) existing points when moving over them…
SDKP. The manual in zip format is at…
i suggest you read the manual… it really helped me out…
Thanks for the link!
Now I can read the manual at my work and make music at home, sometimes i’m so clever!
Cheers!