jPV wrote:
One solution is to use two programs, which of course is a bit clumsier.

For example, draw the anim on PPaint (luckily switching to prev&next frames works which makes drawing easier), but then save it to be played with some other program. You can save the anim from PPaint and load it in RNOAnim where you can then play the anim and adjust the frame delays etc, and save it to other formats (gif, apng...).