Automatic update of propset svn:ignore via for svnignore.txt's by svnignore

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37452 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
make sure point can't be dragged to undefined region for eg If[3 <= x <= 5, x^2]


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37453 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e