scala/scala — pull request #1212 by dragos (2012-08-29 16:54:05+00:00)
Title: Two fixes for the worksheet instrumenter

This is Martin's fix for the worksheet, I'm just the messenger. I guess I can't be my own reviewer, so let's say review by @rytz.

(1) Handle empty worksheets
(2) Handle for expressions

Review by @dragos
(cherry picked from commit 20dc9cd7848863097b07d1cb84ae3f729f7e94da)