Did your classmates say "xyz" to indicate your zipper was down?

Dear Scalarazzi,
i've cobbled together a basic blog post transliterating into Scala Huet's original functional pearl on the Zipper. Feedback most welcome.
Best wishes,
--greg

--
L.G. Meredith
Managing Partner
Biosimilarity LLC
1219 NW 83rd St
Seattle, WA 98117

+1 206.650.3740

http://biosimilarity.blogspot.com