store Pointer items as inclusions+discussion

This will heighten the need for update inclusions when renaming

Remind John to fix http://grouppatternlanguage.org/wagn/captions_per_pattern+*right+*content when this is rolled out.

  --John Abbe.....Thu Dec 16 22:47:06 -0800 2010

starting to wonder whether this is better than what we have. is it?

  --Ethan McCutchen.....Thu Dec 01 15:18:10 -0800 2011