Function abnf_core::LWSP

pub fn LWSP<'a, E: ParseError<&'a str>>(
    input: &'a str
) -> IResult<&'a str, &str, E>

LWSP = *(WSP / CRLF WSP) ; Use of this linear-white-space rule ; permits lines containing only white ; space that are no longer legal in ; mail headers and have caused ; interoperability problems in other ; contexts. ; Do not use when defining mail ; headers and use with caution in ; other contexts.