There are two cases I've found when the autofit row height command does not
work:

1. When I have a merged cell in a row, and the merged cell has text that
wraps to additional lines
2. When I use <ALT Enter to go to a new line within any cell's contents

In both of the above cases, executing the autofit command (either by
selecting it in the Format menu or by double clicking on the lower row
boundary) will resize the row to the default 12.75 height.

Is there any way around this?