Patent ID: 8127279
Filing Date: 2012-02-28
Classification: G06F

Abstract:
1. A method of indexing documents encoded as line data stored on a non-transitory medium, the method comprising: receiving a document comprising hidden shift in controls and hidden shift out controls; determining a first reserved code point that can be graphically displayed and does not appear in the document, and a second reserved code point that can be graphically displayed and does not appear in the document; converting the document for indexing by: replacing the hidden shift out controls in the document with the first reserved code point that can be graphically displayed; and replacing the hidden shift in controls in the document with the second reserved code point that can be graphically displayed; displaying the converted document to a user including the first and the second reserved code points, wherein the first and the second reserved code points are displayed as graphical elements making locations of the hidden shift out controls and the hidden shift in controls visible; receiving user input defining parameters for indexing the document based on display of the converted document; and indexing the document in accordance with the defined parameters for indexing.