public/ckeditor/_source/plugins/undo/plugin.js
function()
		{
			if ( this.redoable() )
			{
				// Try to save. If no changes have been made, the redo stack
				// will not change, so it will still be redoable.
				this.save( true );

				// If instead we had changes, we can't redo anymore.
				if ( this.redoable() )
				{
					var image = this.getNextImage( false );
					if ( image )
						return this.restoreImage( image ), true;
				}
			}

			return false;
		}
function()
		{
			if ( this.redoable() )
			{
				// Try to save. If no changes have been made, the redo stack
				// will not change, so it will still be redoable.
				this.save( true );

				// If instead we had changes, we can't redo anymore.
				if ( this.redoable() )
				{
					var image = this.getNextImage( false );
					if ( image )
						return this.restoreImage( image ), true;
				}
			}

			return false;
		}
function ( ) { if ( this . redoable ( ) ) { // Try to save. If no changes have been made, the redo stack
 // will not change, so it will still be redoable.
 this . save ( true ) ; // If instead we had changes, we can't redo anymore.
 if ( this . redoable ( ) ) { var image = this . getNextImage ( false ) ; if ( image ) return this . restoreImage ( image ) , true ; } } return false ; }
Perform redo on current index.
Perform redo on current index .