allow dashes in lexem names


git-svn-id: http://voronet.francu.com/repos/DEX@1074 8d550267-2627-4c68-899f-85492a8dd5ca
Fix abbreviation


git-svn-id: http://voronet.francu.com/repos/DEX@1075 8d550267-2627-4c68-899f-85492a8dd5ca