Pre-Approved Batch reversal - closed project

We reversed a Usage batch using the Reversal button on the PAB form.  During the time between creation and the reversal, a project in the batch was closed.  The reversal did not get created for that project.  Is this standard?  I found this in the Project Costing User guide:

Reversing an Expenditure Batch

The Reverse button is enabled only if the current batch is released. In addition, an expenditure batch can be reversed only if the transaction source of the batch allows adjustments.

When you reverse an expenditure batch, all the expenditure items are reversed except the following:

• Related items