Retrieved from the QuickPack page, QuickPack is an Applescript that allows you to post from Quicksilver to Backpack.
No shortcut is needed at the beginning of your text
Apr 5 6:30pm bake a cake
You can add "+rem" at the end of your text to invoke a reminder 30 minutes before your event
Apr 5 6:30pm go cake shopping +rem
Your text begins with "+todo"
+todo buy sugar for the cake
Begins with "+note"
The subject and the body are divided with a "+"
+note Cake recipe+take tons of sugar and mix it up with the rest
Begins with "+rem"
+rem +33 get the cake out of the oven
For a reminder with a specific date you must start with "+remdate"
The date and the text are divided with a "+"
+remdate Mar 8 2007 6:30pm+the cake task is completed