Vladimir Volovich <[log in to unmask]>: >There is a possibility to make TeX itself to `force' the users >to insert `{' before the first argument of a macro: This is interesting, but I do not think TeX has the capacity to check the whole LaTeX syntax. So the question is to decide if one wants an official LaTeX syntax or not. Hans Aberg * Email: Hans Aberg <mailto:[log in to unmask]> * AMS member listing: <http://www.ams.org/cml/>