[antlr-interest] Newbie: NoViableAltException

[Diehl, Matthew J]

> everything
>   : quote | backslash | mul | plus | minus | binaryString |
> stringLiteral | exponent
>   ;

Forgot the parenthesis around the everything rule:

everything
  : ( quote | backslash | mul | plus | minus | binaryString |
stringLiteral | exponent )*
  ;