identifier is defined differently in standard. I can see that current standard introduced "identifier-start" and "identifier-continue" which makes it very difficult to express. However, this is part of lexer procedure and it may not be a concern of grammar for parser part.
identifier is defined differently in standard. I can see that current standard introduced "identifier-start" and "identifier-continue" which makes it very difficult to express. However, this is part of lexer procedure and it may not be a concern of grammar for parser part.