2008/7/26 Ingvar von Schoultz <ingvar-v-s at comhem.se>: > I think all of these would be unambiguous: > > {. code .} {. not work since {.0; } is a valid ES3 > > {: code :} > > {| code |} These 2 cases are indeed invalid ES3. > > {[ code ]} > > [[ code ]] > > [ code ] Any of this can be a valid ES3 code as [] always means an array literal. Regards, Igor