| 摘要 |
A view of a selected electronic document is displayed on a graphical user interface. A user-selectable command is displayed on the graphical user interface while the view of the selected electronic document is displayed. The user-selectable command causes a view of at least one other electronic document that is associated with the selected electronic document to be displayed on the graphical user interface. More than one user-selectable command can be displayed, and the commands may be grouped by categories of association between the documents.
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