Token Delimiter


token can be delimeter (all characters are composing tokens except whitespace)
**A delimiter ends a token, but not part of that token**
**lookahead** one char



> [Symbols: Delimiters](https://abstractmath.org/MM/MMDelimiters.htm)

> [Tokens and Delimiters](http://ibcomp.fis.edu/Reading/JavaTutor/Notes/chap49D/ch49D_13.html)





