I am trying to learn how to contribute to supercollider. As a simple first contribution, I have tried to write a short help file for the undocumented class Pdiff. I have made a branch on github as described at https://doc.sccode.org/Guides/WritingHelp.html
The patch is available for review here:
Please let me know if I need to change anything in the patch or in my method of submission. Thanks!