So I tweaked it, the result of which is a script that grabs the selected task in OmniFocus and creates a Mail.app message based off the data.
The URLs for downloading the script are now repaired, and I doubled checked it still works in OmniFocus 2. I haven’t used it in ages, but if you work with people that use OmniFocus, then this is as close to ‘collaboration’ as you can get with OmniFocus.