Std Undo/ru

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 (Max = 12) actions to undo from.