[27225] improvement

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27226 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: fixed Friday's bug

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27227 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3485: fixed a bug in the previous commit (fixing Friday's bug)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27228 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e