Removed warnings

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23715 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Use the same "LaTeX cosmetics" for AV and EV.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23716 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e