Edge Case Considerations

Moving A Cell Empty Cells do not need blocks (or IDs) Workflow Psuedocode Edge Case 1 - Concurrent Cell Insertion Edge Case 2 - Orphan Cells Edge Case 3 - Excessive Move Operations of Cells Dealing with Row and Column Headers Should we allow html-messy content with multi column headers and multi row headers? No text fields on column and row blocks. IsHeader attribute on rows and columns?  will decide