Patent ID: 9146914
Filing Date: 2015-09-29
Classification: G06F

Abstract:
1. A method comprising: applying a first change within a document; determining a context of the first change within the document; storing first data related to the first change in a first stack corresponding to a first context in response to determining that the first change is associated with the first context; applying a second change within the document, the second change occurring after the first change; determining a context of the second change within the document, wherein the context of the second change is a different type of context than the context of the first change; storing second data relating to the second change in a second stack corresponding to a second context that is different than the first context in response to determining that the second change is associated with the second context; determining a current context type based on a hierarchy of criteria, wherein the hierarchy of criteria comprises a first priority criterion being an active selection of the current context and a second priority criterion being an insertion point of the current context;