Function abnf::core::LWSP

pub fn LWSP(i: &[u8]) -> IResult<&[u8], Vec<Vec<u8>>, u32>

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.