#3691: show list as combo box works

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29488 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
remove undocumented LaTeX delimiters \[ \( \] \) $$

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29490 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e