Std Undo

Description
Undoes exactly one action.

Usage

 * 1) There are several ways to invoke the Undo command:
 * 2) * Press on the [[Image:Std_Undo.svg|24px]] button in the toolbar
 * 3) * Using the from the top menu.
 * 4) * Using the +  keyboard shortcut.

Note: Click on the black down-arrow on the right side of the icon to get a list of the last actions that can be undone.