17. The method of claim 12 wherein the cross-references are attached to the input description and the output description using the XML (Extensible Markup Language) programming language.
12. In an electronic device, a method comprising: displaying a first textual description and a second textual description together on a display, the first description including displayed text elements and a first set of non-displayed textual cross-references associated with the displayed text elements, the second description including displayed text elements and a second set of non-displayed textual cross-references associated with the displayed text elements, each textual cross-reference including one or more textual identifiers for the associated displayed text element; displaying a first cursor in a first displayed text element in the first description; identifying a first cross-reference in the first set of cross-references associated with the first displayed text element; searching the second set of cross-references in the second description to identify a second cross-reference that matches the first cross-reference, the second cross-reference matching the first cross-reference when at least one identifier in the second cross-reference matches at least one identifier in the first cross-reference, the second cross-reference being associated with a second displayed text element in the second description that corresponds to the first displayed text element; and displaying a second cursor in the second displayed text element.