[parser] allow \u00ba for degree symbol

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37839 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
fix problem with relative copy (with condition to show object etc)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37840 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e