Step to Reproduce

1. load attached xlsx file in 3.6.0.FL.20140930-Eval
2. check content of B1 in Sheet2, it should be "=Sheet1!B1"
3. rename "Sheet1" to "St1"
4. insert a row in row 1

Actual Result

B1 in sheet2 still contain "=St1!B1". It should be shifted.
formula in the same sheet is shifted.

Expected Result

B1 in sheet2 should contain "=St1!B2".

Debug information:

zss 3.5.0 doesn't have this issue.
If we don't rename sheet 1, this issue doesn't happen.