fix issue 393
fix issue 393

guidobouman/typescript,tarruda/typescript,hippich/typescript,popravich/typescript,mbebenita/shumway.ts,mbrowne/typescript-dci,turbulenz/typescript,mbebenita/shumway.ts,popravich/typescript,fdecampredon/jsx-typescript-old-version,turbulenz/typescript,tarruda/typescript,guidobouman/typescript,hippich/typescript,guidobouman/typescript,mbrowne/typescript-dci,vcsjones/typescript,mbrowne/typescript-dci,popravich/typescript,tarruda/typescript,turbulenz/typescript,hippich/typescript,bolinfest/typescript,mbebenita/shumway.ts,rbirkby/typescript,mbrowne/typescript-dci,fdecampredon/jsx-typescript-old-version,bolinfest/typescript,rbirkby/typescript,fdecampredon/jsx-typescript-old-version,bolinfest/typescript,rbirkby/typescript