Show History for File / Selection Dialog

History view

This view shows the list of revisions of a file, with the date and time when the revision has been stored. Some of the revisions are supplied with tags and labels.

Revisions are tagged automatically, for example, on opening a project, committing changes, or performing test. You can also set your own labels.

Item	Description
	Click this button to revert the selected action.
	Click this button to create a patch based on the selected local version.
	Click this button to have the corresponding reference topic shown.

Differences view

The Differences view is a powerful editor that supports basic search and replace, undo/redo actions, and code completion.

If a revision is selected in the History view, the left pane of the Differences view shows this read-only revision, with the differences against the current revision, which is displayed in the right pane. The current revision is editable.

Item	Shortcut	Description
	Ctrl+C; Ctrl+InsertCtrl+C; Ctrl+Insert	Click this button to copy the line at the caret or the selected fragment of text to the Clipboard.
	Ctrl+F; Alt+F3Ctrl+F; Alt+F3 Ctrl+RCtrl+R	Click this button to initiate the finding and replacing text procedure in the pane where the caret currently resides. Refer to the search options description for details.
or	F7F7 or Shift+F7Shift+F7	Use these buttons to move to the next or previous difference.
Ignore whitespace		Use this drop-down list to define how the differences viewer should treat white spaces in the text. Do not ignore - when this option is selected, white spaces are considered unimportant and the differences are highlighted. Leading and Trailing - select this option to have differences in the end and in the beginning of a line ignored. All - when this option is selected, white spaces are considered unimportant regardless of their location in the source code.
,  or		Use these buttons to apply differences.
Legend		This area shows summary information about the encountered differences: the number of differences found and the color map. The color map for the Differences viewer is configured in the Colors and Fonts page.