Patent ID: 8416218

Claim:
A pen-based computing system for transferring data between a paper domain and a digital domain, the system comprising: a smart pen device interacting with a paper representation, the paper representation containing printed textual data representing textual data of a digital file, the smart pen device configured to: capture written editing data, the written editing data modifying the printed textual data on the paper representation; recognize drawing of a delete button on the paper representation; recognize drawing of an erase box on the paper representation, the erase box separate from the delete button, and the erase box enclosing a subset of the printed textual data; and responsive to detecting that the delete button has been invoked, exclude the enclosed subset of the printed textual data from data transferred by the smart pen device to a computing device; and a non-transitory computer-readable storage medium containing computer program code for execution on the computing device, the computer program code containing instructions to: receive, from the smart pen device, the written editing data captured from the paper domain; and modify the digital file to generate a modified digital file in accordance with the written editing data.