Tableau algorithms defined naturally for pictures

The following text is an annotation to Marc A. A. van Leeuwen's paper " Tableau algorithms defined naturally for pictures " in its version of 25 November 2011. This annotation contains corrections of a few mistakes. Different comments are separated by horizontal lines, like this: Page 1, §1: Replace " as a tableaux " by " as tableaux ". Page 3, §2.2: Replace " The the non-empty " by " The non-empty ". Page 5, §2.4: Replace " identical entries allowed " by " identical entries are allowed ". Page 8: Replace " do far " by " so far ". Page 17, §5.1: Replace " inner cocorner of the shape " by " inner cocorner s of the shape ". Page 24, §5.4: Replace " approach the " by " approach to the " .