Ticket #4080: going to see what can I do to support GeoGebra syntax

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31839 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4084 compile error fix

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31840 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e