> I decided to drop EBNF (extended Backus–Naur form) patch > since the ISO/IEC 14977 EBNF seems not carefully defined Significant efforts happened also for this standard. Does its revision refer still to the year 1996? > and there are many variants which named EBNF. > I'll postpone it until finding better solution. How will the corresponding clarification evolve? I hope that typos will be avoided also in subjects of subsequent cover letters. Regards, Markus