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Making a new edit usually clears the redo list. If a branching redo model is used, the new edit branches the action history. The number of previous actions that can be undone varies by program, version, and hardware or software capabilities. For example, the default undo/redo stack size in Adobe Photoshop is 20 but can be changed by the user.
Control-Y is a common computer command. It is generated by holding Ctrl and pressing the Y key on most computer keyboards.. In most Windows applications this keyboard shortcut functions as Redo, reversing a previous Undo.
On Wikipedia, reverting means undoing or otherwise negating the effects of one or more edits, which typically results in the page (or a part of it) being restored to a previous version (in exact wording or in meaning). Partial reversion involves restoring one part of the page to a previous version, but leaving other contributions intact.
This feature makes it possible for an object or collection of objects to maintain a collection of states. This allows the object to easily revert to previous states. This can be useful when a user wants to undo previous edits multiple times in an application. The feature can also allow a user to redo multiple edits that were previously undone.
For example, web application authors, wishing to intercept a user's intent to undo the last action, need to "listen" for all the following events: Control+Z on Windows and Linux. Command+Z on Mac OS X. Shake events on some mobile devices. It would be simpler to listen for a single, normalized request to "undo" the previous action.
Technical note on the reviewing interface: If you revert ("Revert changes" button), the comment you provide is automatically appended at the end of the standard revert edit summary, and you are asked to confirm your action. If you accept ("Accept revision" button), the comment is entered in the review log.
Here are the steps to take if you plan to recreate a previously deleted page: Check the deletion log. Examine any previous discussions regarding the page's deletion, such as AfDs and deletion reviews. From these, you may be able to learn the reason behind the deletion and the consensus on the issue. Consider deletion review.
With move-subpages, a page mover can move a page and all its subpages in a single action. For example, a user could rename Talk:Foo to Talk:Bar, and also move Talk:Foo/Archive 1 to Talk:Bar/Archive 1 in a single action. This becomes useful when moving a page with a lot of archives.