Unfortunately I found a further problem with palette groups, that makes a strong argument for [Feature Request] Macro group description. Currently the only way to document a group of macros – attribution, description, how it works, dependencies, etc. – is to add one or more comments to the group, But then they show up on the palette.
Maybe it would be good to have a way to mark macros as not showing up on the palette – perhaps something as simple as their name beginning with a space. This would solve both problems, packaging and descriptive comment macros. (But I would still like to have group descriptions.)