Function inkml::wsp

pub fn wsp(c: char) -> bool

value ::= difference_order? wsp* "-"? wsp* number | "T" | "F" | "" | "?" number ::= (decimal | double | hex) double ::= decimal ("e"|"E") ("+"|"-")? digit+ decimal ::= digit+ ("." digit)? | "." digit+ difference_order ::= ("!" | "'" | '"')