摘要: 7,257,774 B2 8, 2007 Denoue et al. 7,308, 110 B2 12/2007 Rhoads within the document selectable; displaying the augmented document in the viewer; and responsive to each user input selecting a word in the document displayed in the viewer, further augmenting the document displayed in the viewer by inserting the selected word following the sub-document ele ment from which the word was selected.