Undo and redo of content specific operations
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United States of America Patent
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Jan 1, 2019
Grant Date -
Jun 23, 2016
app pub date -
Dec 22, 2014
filing date -
Dec 22, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A list of performed operations is received containing all operations performed in an order of processing. A request from a user is received including at least one of an undo request of a last performed operation or a redo request of a last performed undo request from the list of performed operations and the request includes at least one content type. A content type of each performed operation in the list of performed operations is determined. All performed operations from the list of performed operations that have a content type the same as one content type of the at least one content types is determined. The at least one of an undo request of a last performed operation or redo request of the last performed undo request from the list of performed operations that have one content type of the at least one content types is performed.
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